[kernel] update to 2.6.28.4

[openwrt.git] / target / linux / generic-2.6 / patches-2.6.25 / 209-mini_fo.patch

diff --git a/target/linux/generic-2.6/patches-2.6.25/209-mini_fo.patch b/target/linux/generic-2.6/patches-2.6.25/209-mini_fo.patch
index e99e845..9d76d01 100644 (file)
--- a/target/linux/generic-2.6/patches-2.6.25/209-mini_fo.patch
+++ b/target/linux/generic-2.6/patches-2.6.25/209-mini_fo.patch
@@ -1,33 +1,27 @@
-Index: linux-2.6.23/fs/Kconfig
-===================================================================
---- linux-2.6.23.orig/fs/Kconfig       2007-10-10 13:52:14.000000000 +0800
-+++ linux-2.6.23/fs/Kconfig    2007-10-10 13:53:23.000000000 +0800
-@@ -458,6 +458,9 @@
-         This option will enlarge your kernel, but it allows debugging of
-         ocfs2 filesystem issues.
+--- a/fs/Kconfig
++++ b/fs/Kconfig
+@@ -1449,6 +1449,9 @@ config VXFS_FS
+         To compile this as a module, choose M here: the module will be
+         called freevxfs.  If unsure, say N.

  
 +config MINI_FO
 +      tristate "Mini fanout overlay filesystem"
 +
  config MINIX_FS
  
 +config MINI_FO
 +      tristate "Mini fanout overlay filesystem"
 +
  config MINIX_FS

-       tristate "Minix fs support"
-       help
-Index: linux-2.6.23/fs/Makefile
-===================================================================
---- linux-2.6.23.orig/fs/Makefile      2007-10-10 13:52:14.000000000 +0800
-+++ linux-2.6.23/fs/Makefile   2007-10-10 13:53:23.000000000 +0800
-@@ -76,6 +76,7 @@
- obj-$(CONFIG_RAMFS)           += ramfs/
+       tristate "Minix file system support"
+       depends on BLOCK
+--- a/fs/Makefile
++++ b/fs/Makefile
+@@ -77,6 +77,7 @@ obj-$(CONFIG_SQUASHFS)               += squashfs/
+ obj-y                         += ramfs/

  obj-$(CONFIG_HUGETLBFS)               += hugetlbfs/
  obj-$(CONFIG_CODA_FS)         += coda/
 +obj-$(CONFIG_MINI_FO)         += mini_fo/
  obj-$(CONFIG_MINIX_FS)                += minix/
  obj-$(CONFIG_FAT_FS)          += fat/
  obj-$(CONFIG_MSDOS_FS)                += msdos/
  obj-$(CONFIG_HUGETLBFS)               += hugetlbfs/
  obj-$(CONFIG_CODA_FS)         += coda/
 +obj-$(CONFIG_MINI_FO)         += mini_fo/
  obj-$(CONFIG_MINIX_FS)                += minix/
  obj-$(CONFIG_FAT_FS)          += fat/
  obj-$(CONFIG_MSDOS_FS)                += msdos/

-Index: linux-2.6.23/fs/mini_fo/aux.c
-===================================================================
---- /dev/null  1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.23/fs/mini_fo/aux.c      2007-10-10 13:53:23.000000000 +0800
+--- /dev/null
++++ b/fs/mini_fo/aux.c

 @@ -0,0 +1,577 @@
 +/*
 + * Copyright (c) 1997-2003 Erez Zadok
 @@ -0,0 +1,577 @@
 +/*
 + * Copyright (c) 1997-2003 Erez Zadok


@@ -64,11 +58,11 @@ Index: linux-2.6.23/fs/mini_fo/aux.c
 +      check_mini_fo_dentry(dentry);
 +      if(dtost(dentry) == MODIFIED || dtost(dentry) == CREATED || dtost(dentry) == DEL_REWRITTEN)
 +              return 1;
 +      check_mini_fo_dentry(dentry);
 +      if(dtost(dentry) == MODIFIED || dtost(dentry) == CREATED || dtost(dentry) == DEL_REWRITTEN)
 +              return 1;

-+      return 0;       
++      return 0;

 +}
 +
 +/* check if dentry is in an existing state */
 +}
 +
 +/* check if dentry is in an existing state */

-+int is_mini_fo_existant(dentry_t *dentry) 
++int is_mini_fo_existant(dentry_t *dentry)

 +{
 +      check_mini_fo_dentry(dentry);
 +
 +{
 +      check_mini_fo_dentry(dentry);
 +


@@ -78,12 +72,12 @@ Index: linux-2.6.23/fs/mini_fo/aux.c
 +              return 1;
 +}
 +
 +              return 1;
 +}
 +

-+/* 
-+ * This function will create a negative storage dentry for 
++/*
++ * This function will create a negative storage dentry for

 + * dentry, what is required for many create like options.
 + * It will create the storage structure if necessary.
 + */
 + * dentry, what is required for many create like options.
 + * It will create the storage structure if necessary.
 + */

-+int get_neg_sto_dentry(dentry_t *dentry) 
++int get_neg_sto_dentry(dentry_t *dentry)

 +{
 +      int err = 0;
 +      unsigned int len;
 +{
 +      int err = 0;
 +      unsigned int len;


@@ -106,18 +100,18 @@ Index: linux-2.6.23/fs/mini_fo/aux.c
 +      if(dtost(dentry->d_parent) == UNMODIFIED) {
 +              /* build sto struct */
 +              err = build_sto_structure(dentry->d_parent->d_parent, dentry->d_parent);
 +      if(dtost(dentry->d_parent) == UNMODIFIED) {
 +              /* build sto struct */
 +              err = build_sto_structure(dentry->d_parent->d_parent, dentry->d_parent);

-+              if(err || 
++              if(err ||

 +                 dtost(dentry->d_parent) != MODIFIED) {
 +                      printk(KERN_CRIT "mini_fo: get_neg_sto_dentry: ERROR building sto structure.\n");
 +                      err = -1;
 +                      goto out;
 +                 dtost(dentry->d_parent) != MODIFIED) {
 +                      printk(KERN_CRIT "mini_fo: get_neg_sto_dentry: ERROR building sto structure.\n");
 +                      err = -1;
 +                      goto out;

-+              }               
++              }

 +      }
 +
 +      len = dentry->d_name.len;
 +      name = dentry->d_name.name;
 +      }
 +
 +      len = dentry->d_name.len;
 +      name = dentry->d_name.name;

-+       
-+      dtohd2(dentry) = 
++
++      dtohd2(dentry) =

 +              lookup_one_len(name, dtohd2(dentry->d_parent), len);
 +
 + out:
 +              lookup_one_len(name, dtohd2(dentry->d_parent), len);
 +
 + out:


@@ -129,7 +123,7 @@ Index: linux-2.6.23/fs/mini_fo/aux.c
 +      ASSERT(dentry != NULL);
 +      ASSERT(dtopd(dentry) != NULL);
 +      ASSERT((dtohd(dentry) != NULL) || (dtohd2(dentry) != NULL));
 +      ASSERT(dentry != NULL);
 +      ASSERT(dtopd(dentry) != NULL);
 +      ASSERT((dtohd(dentry) != NULL) || (dtohd2(dentry) != NULL));

-+             
++

 +/*    if(dtost(dentry) == MODIFIED) { */
 +/*            ASSERT(dentry->d_inode != NULL); */
 +/*            ASSERT(dtohd(dentry) != NULL); */
 +/*    if(dtost(dentry) == MODIFIED) { */
 +/*            ASSERT(dentry->d_inode != NULL); */
 +/*            ASSERT(dtohd(dentry) != NULL); */


@@ -141,7 +135,7 @@ Index: linux-2.6.23/fs/mini_fo/aux.c
 +/*            ASSERT(dentry->d_inode != NULL); */
 +/*            ASSERT( */
 +/*    } */
 +/*            ASSERT(dentry->d_inode != NULL); */
 +/*            ASSERT( */
 +/*    } */

-+      return 0;              
++      return 0;

 +}
 +
 +int check_mini_fo_file(file_t *file)
 +}
 +
 +int check_mini_fo_file(file_t *file)


@@ -149,8 +143,8 @@ Index: linux-2.6.23/fs/mini_fo/aux.c
 +      ASSERT(file != NULL);
 +      ASSERT(ftopd(file) != NULL);
 +      ASSERT(file->f_dentry != NULL);
 +      ASSERT(file != NULL);
 +      ASSERT(ftopd(file) != NULL);
 +      ASSERT(file->f_dentry != NULL);

-+      
-+      /* violent checking, check depending of state and type 
++
++      /* violent checking, check depending of state and type

 +       *      if(S_ISDIR(file->f_dentry->d_inode->i_mode)) {}
 +       */
 +      ASSERT((ftohf(file) != NULL) || (ftohf2(file) != NULL));
 +       *      if(S_ISDIR(file->f_dentry->d_inode->i_mode)) {}
 +       */
 +      ASSERT((ftohf(file) != NULL) || (ftohf2(file) != NULL));


@@ -165,13 +159,13 @@ Index: linux-2.6.23/fs/mini_fo/aux.c
 +      return 0;
 +}
 +
 +      return 0;
 +}
 +

-+/* 
++/*

 + * will walk a base path as provided by get_mini_fo_bpath and return
 + * the (hopefully ;-) ) positive dentry of the renamed base dir.
 + *
 + * This does some work of path_init.
 + */
 + * will walk a base path as provided by get_mini_fo_bpath and return
 + * the (hopefully ;-) ) positive dentry of the renamed base dir.
 + *
 + * This does some work of path_init.
 + */

-+dentry_t *bpath_walk(super_block_t *sb, char *bpath) 
++dentry_t *bpath_walk(super_block_t *sb, char *bpath)

 +{
 +      int err;
 +        struct vfsmount *mnt;
 +{
 +      int err;
 +        struct vfsmount *mnt;


@@ -186,12 +180,12 @@ Index: linux-2.6.23/fs/mini_fo/aux.c
 +              printk(KERN_CRIT "mini_fo: bpath_walk: Invalid sb.\n");
 +              return NULL;
 +      }
 +              printk(KERN_CRIT "mini_fo: bpath_walk: Invalid sb.\n");
 +              return NULL;
 +      }

-+      
-+      /* fix this: how do I reach this lock? 
++
++      /* fix this: how do I reach this lock?

 +       * read_lock(&current->fs->lock); */
 +      mnt = mntget(stopd(sb)->hidden_mnt);
 +      /* read_unlock(&current->fs->lock); */
 +       * read_lock(&current->fs->lock); */
 +      mnt = mntget(stopd(sb)->hidden_mnt);
 +      /* read_unlock(&current->fs->lock); */

-+      
++

 +      err = vfs_path_lookup(mnt->mnt_root, mnt, bpath+1, 0, &nd);
 +
 +      /* validate */
 +      err = vfs_path_lookup(mnt->mnt_root, mnt, bpath+1, 0, &nd);
 +
 +      /* validate */


@@ -209,7 +203,7 @@ Index: linux-2.6.23/fs/mini_fo/aux.c
 +      char *buf_walker;
 +      int len = 0;
 +      dentry_t *sky_walker;
 +      char *buf_walker;
 +      int len = 0;
 +      dentry_t *sky_walker;

-+      
++

 +      if(!dentry || !dtohd(dentry)) {
 +              printk(KERN_CRIT "mini_fo: get_mini_fo_bpath: invalid dentry passed.\n");
 +              return -1;
 +      if(!dentry || !dtohd(dentry)) {
 +              printk(KERN_CRIT "mini_fo: get_mini_fo_bpath: invalid dentry passed.\n");
 +              return -1;


@@ -230,11 +224,11 @@ Index: linux-2.6.23/fs/mini_fo/aux.c
 +      buf_walker = *bpath+len; /* put it on last char */
 +      *buf_walker = '\n';
 +      sky_walker = dtohd(dentry);
 +      buf_walker = *bpath+len; /* put it on last char */
 +      *buf_walker = '\n';
 +      sky_walker = dtohd(dentry);

-+      
++

 +      do {
 +              buf_walker -= sky_walker->d_name.len;
 +      do {
 +              buf_walker -= sky_walker->d_name.len;

-+              strncpy(buf_walker, 
-+                      sky_walker->d_name.name, 
++              strncpy(buf_walker,
++                      sky_walker->d_name.name,

 +                      sky_walker->d_name.len);
 +              *(--buf_walker) = '/';
 +              sky_walker = sky_walker->d_parent;
 +                      sky_walker->d_name.len);
 +              *(--buf_walker) = '/';
 +              sky_walker = sky_walker->d_parent;


@@ -311,9 +305,9 @@ Index: linux-2.6.23/fs/mini_fo/aux.c
 +       */
 +      bytes = len = PAGE_SIZE;
 +      while(bytes == len) {
 +       */
 +      bytes = len = PAGE_SIZE;
 +      while(bytes == len) {

-+              bytes = src_file->f_op->read(src_file, buf, len, 
++              bytes = src_file->f_op->read(src_file, buf, len,

 +                                           &src_file->f_pos);
 +                                           &src_file->f_pos);

-+              tmp = tgt_file->f_op->write(tgt_file, buf, bytes, 
++              tmp = tgt_file->f_op->write(tgt_file, buf, bytes,

 +                                          &tgt_file->f_pos);
 +              if(tmp != bytes) {
 +                      printk(KERN_CRIT "mini_fo_cp_cont: ERROR writing.\n");
 +                                          &tgt_file->f_pos);
 +              if(tmp != bytes) {
 +                      printk(KERN_CRIT "mini_fo_cp_cont: ERROR writing.\n");


@@ -361,7 +355,7 @@ Index: linux-2.6.23/fs/mini_fo/aux.c
 +{
 +      struct ndl_entry *tmp_entry;
 +
 +{
 +      struct ndl_entry *tmp_entry;
 +

-+      tmp_entry = (struct ndl_entry *) 
++      tmp_entry = (struct ndl_entry *)

 +              kmalloc(sizeof(struct ndl_entry), GFP_KERNEL);
 +      if(!tmp_entry) {
 +                printk(KERN_CRIT "mini_fo: ndl_add_entry: out of mem.\n");
 +              kmalloc(sizeof(struct ndl_entry), GFP_KERNEL);
 +      if(!tmp_entry) {
 +                printk(KERN_CRIT "mini_fo: ndl_add_entry: out of mem.\n");


@@ -446,9 +440,9 @@ Index: linux-2.6.23/fs/mini_fo/aux.c
 +
 +      if(!hidden_sto_dentry) {
 +              /*
 +
 +      if(!hidden_sto_dentry) {
 +              /*

-+               * This is the case after creating the first 
++               * This is the case after creating the first

 +               * hidden_sto_dentry.
 +               * hidden_sto_dentry.

-+               * After one negative storage_dentry, all pointers to 
++               * After one negative storage_dentry, all pointers to

 +               * hidden_storage dentries are set to NULL. We need to
 +               * create the negative dentry before we create the storage
 +               * file.
 +               * hidden_storage dentries are set to NULL. We need to
 +               * create the negative dentry before we create the storage
 +               * file.


@@ -496,7 +490,7 @@ Index: linux-2.6.23/fs/mini_fo/aux.c
 +              dput(dir);
 +              return err;
 +      }
 +              dput(dir);
 +              return err;
 +      }

-+      
++

 +      /* everything ok! */
 +      if(!dtohd2(dentry)->d_inode) {
 +              printk(KERN_CRIT "mini_fo: build_sto_structure: failed to create storage dir [2].\n");
 +      /* everything ok! */
 +      if(!dtohd2(dentry)->d_inode) {
 +              printk(KERN_CRIT "mini_fo: build_sto_structure: failed to create storage dir [2].\n");


@@ -518,9 +512,9 @@ Index: linux-2.6.23/fs/mini_fo/aux.c
 +      itopd(dentry->d_inode)->deleted_list_size = -1;
 +      itopd(dentry->d_inode)->renamed_list_size = -1;
 +      meta_build_lists(dentry);
 +      itopd(dentry->d_inode)->deleted_list_size = -1;
 +      itopd(dentry->d_inode)->renamed_list_size = -1;
 +      meta_build_lists(dentry);

-+      
++

 +      fist_copy_attr_all(dentry->d_inode, itohi2(dentry->d_inode));
 +      fist_copy_attr_all(dentry->d_inode, itohi2(dentry->d_inode));

-+      fist_copy_attr_timesizes(dir->d_inode, 
++      fist_copy_attr_timesizes(dir->d_inode,

 +                               hidden_sto_dir_dentry->d_inode);
 +      dir->d_inode->i_nlink++;
 +      /* was: unlock_dir(hidden_sto_dir_dentry); */
 +                               hidden_sto_dir_dentry->d_inode);
 +      dir->d_inode->i_nlink++;
 +      /* was: unlock_dir(hidden_sto_dir_dentry); */


@@ -606,16 +600,14 @@ Index: linux-2.6.23/fs/mini_fo/aux.c
 +
 +#endif /* unused */
 +
 +
 +#endif /* unused */
 +

-Index: linux-2.6.23/fs/mini_fo/ChangeLog
-===================================================================
---- /dev/null  1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.23/fs/mini_fo/ChangeLog  2007-10-10 13:53:23.000000000 +0800
+--- /dev/null
++++ b/fs/mini_fo/ChangeLog

 @@ -0,0 +1,281 @@
 +2006-01-24  Markus Klotzbuecher  <mk@mary.denx.de>
 +
 +      * Add tons of ugly ifdefs to Ed L. Cashin's mutex patch to
 +          retain backwards compatibility.
 @@ -0,0 +1,281 @@
 +2006-01-24  Markus Klotzbuecher  <mk@mary.denx.de>
 +
 +      * Add tons of ugly ifdefs to Ed L. Cashin's mutex patch to
 +          retain backwards compatibility.

-+      
++

 +2006-01-24  Ed L. Cashin <ecashin@coraid.com>
 +
 +      * Support for the new mutex infrastructure
 +2006-01-24  Ed L. Cashin <ecashin@coraid.com>
 +
 +      * Support for the new mutex infrastructure


@@ -665,7 +657,7 @@ Index: linux-2.6.23/fs/mini_fo/ChangeLog
 +
 +      * Makefile: clean it up and added make install and make
 +          uninstall.
 +
 +      * Makefile: clean it up and added make install and make
 +          uninstall.

-+      
++

 +2005-05-06    <mk@mary>
 +
 +      * merged devel branch back to main. [v0-6-0-pre3]
 +2005-05-06    <mk@mary>
 +
 +      * merged devel branch back to main. [v0-6-0-pre3]


@@ -701,7 +693,7 @@ Index: linux-2.6.23/fs/mini_fo/ChangeLog
 +
 +      * inode.c: rename_reg_file renamed to rename_nondir, as it
 +          doesn't matter as long it't not a dir. Removed all
 +
 +      * inode.c: rename_reg_file renamed to rename_nondir, as it
 +          doesn't matter as long it't not a dir. Removed all

-+          rename_dev_file etc.          
++          rename_dev_file etc.

 +
 +      * tagged as devel-0-0-15
 +
 +
 +      * tagged as devel-0-0-15
 +


@@ -733,7 +725,7 @@ Index: linux-2.6.23/fs/mini_fo/ChangeLog
 +2005-04-23    <mk@mary>
 +
 +      * state.c, aux.c: more cleaning up and
 +2005-04-23    <mk@mary>
 +
 +      * state.c, aux.c: more cleaning up and

-+          simplifications. [devel-0-0-13] 
++          simplifications. [devel-0-0-13]

 +
 +      * inode.c: implemented mini_fo_getattr, that was required for
 +          2.6 because inode_revalidate has been remove there, and the
 +
 +      * inode.c: implemented mini_fo_getattr, that was required for
 +          2.6 because inode_revalidate has been remove there, and the


@@ -815,11 +807,11 @@ Index: linux-2.6.23/fs/mini_fo/ChangeLog
 +      * Rewrote mini_fo rename and split it into several
 +          subfunctions, that handle the different types
 +          seperately. Rewrote the regular file function aswell, as it
 +      * Rewrote mini_fo rename and split it into several
 +          subfunctions, that handle the different types
 +          seperately. Rewrote the regular file function aswell, as it

-+          was implemented somewhat inefficient. 
++          was implemented somewhat inefficient.

 +
 +2005-03-16  Markus Klotzbuecher  <mk@chasey>
 +
 +
 +2005-03-16  Markus Klotzbuecher  <mk@chasey>
 +

-+      * Implemented new META subsystem, removed old WOL stuff in favor 
++      * Implemented new META subsystem, removed old WOL stuff in favor

 +        if it.
 +
 +      * After some basic testing everything seems ok...
 +        if it.
 +
 +      * After some basic testing everything seems ok...


@@ -831,7 +823,7 @@ Index: linux-2.6.23/fs/mini_fo/ChangeLog
 +        files. mini_fo_rename still isn't implemented properly, renaming
 +        of device files, symlinks etc. results in a empty regular file
 +        instead of the proper type.
 +        files. mini_fo_rename still isn't implemented properly, renaming
 +        of device files, symlinks etc. results in a empty regular file
 +        instead of the proper type.

-+      
++

 +      * Directory renaming suddenly works! What a surprise! I guess
 +          this is because renaming is implemented as making a copy and
 +          removing the original. Still this might not work
 +      * Directory renaming suddenly works! What a surprise! I guess
 +          this is because renaming is implemented as making a copy and
 +          removing the original. Still this might not work


@@ -848,7 +840,7 @@ Index: linux-2.6.23/fs/mini_fo/ChangeLog
 +          the state numbers.
 +
 +2005-03-08  Markus Klotzbuecher  <mk@chasey>
 +          the state numbers.
 +
 +2005-03-08  Markus Klotzbuecher  <mk@chasey>

-+      
++

 +      * Makefile fix, fist_ioctl was built against wrong sources if ARCH=um
 +
 +      * Fixed a bug in dentry.c, mini_fo_d_hash. In state 4 =
 +      * Makefile fix, fist_ioctl was built against wrong sources if ARCH=um
 +
 +      * Fixed a bug in dentry.c, mini_fo_d_hash. In state 4 =


@@ -874,28 +866,26 @@ Index: linux-2.6.23/fs/mini_fo/ChangeLog
 +2004-10-24 Gleb Natapov <gleb@nbase.co.il>
 +
 +      * Fix: owner and group where not correctly copied from base to
 +2004-10-24 Gleb Natapov <gleb@nbase.co.il>
 +
 +      * Fix: owner and group where not correctly copied from base to

-+          storage. 
++          storage.

 +
 +
 +2004-10-05 Gleb Natapov <gleb@nbase.co.il>
 +
 +      * Implementation of fsync, fasync and lock mini_fo functions.
 +
 +
 +2004-10-05 Gleb Natapov <gleb@nbase.co.il>
 +
 +      * Implementation of fsync, fasync and lock mini_fo functions.

-+      
++

 +
 +2004-09-29 Bob Lee <bob@pantasys.com>
 +
 +      * Fix of a serious pointer bug
 +
 +2004-09-29 Bob Lee <bob@pantasys.com>
 +
 +      * Fix of a serious pointer bug

-+      
++

 +
 +2004-09-28 Gleb Natapov <gleb@nbase.co.il>
 +
 +      * Implementation of mini_fo_mknod and mini_fo_rename, support
 +          for device files.
 +
 +2004-09-28 Gleb Natapov <gleb@nbase.co.il>
 +
 +      * Implementation of mini_fo_mknod and mini_fo_rename, support
 +          for device files.

-+      
-Index: linux-2.6.23/fs/mini_fo/dentry.c
-===================================================================
---- /dev/null  1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.23/fs/mini_fo/dentry.c   2007-10-10 13:53:23.000000000 +0800
++
+--- /dev/null
++++ b/fs/mini_fo/dentry.c

 @@ -0,0 +1,244 @@
 +/*
 + * Copyright (c) 1997-2003 Erez Zadok
 @@ -0,0 +1,244 @@
 +/*
 + * Copyright (c) 1997-2003 Erez Zadok


@@ -961,10 +951,10 @@ Index: linux-2.6.23/fs/mini_fo/dentry.c
 +         hidden_sto_dentry->d_op &&
 +         hidden_sto_dentry->d_op->d_revalidate) {
 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
 +         hidden_sto_dentry->d_op &&
 +         hidden_sto_dentry->d_op->d_revalidate) {
 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)

-+              err2 = hidden_sto_dentry->d_op->d_revalidate(hidden_sto_dentry, 
++              err2 = hidden_sto_dentry->d_op->d_revalidate(hidden_sto_dentry,

 +                                                           nd);
 +#else
 +                                                           nd);
 +#else

-+              err2 = hidden_sto_dentry->d_op->d_revalidate(hidden_sto_dentry, 
++              err2 = hidden_sto_dentry->d_op->d_revalidate(hidden_sto_dentry,

 +                                                           flags);
 +#endif
 +      }
 +                                                           flags);
 +#endif
 +      }


@@ -1141,10 +1131,8 @@ Index: linux-2.6.23/fs/mini_fo/dentry.c
 +      d_delete:               mini_fo_d_delete,
 +      d_iput:         mini_fo_d_iput,
 +};
 +      d_delete:               mini_fo_d_delete,
 +      d_iput:         mini_fo_d_iput,
 +};

-Index: linux-2.6.23/fs/mini_fo/file.c
-===================================================================
---- /dev/null  1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.23/fs/mini_fo/file.c     2007-10-10 13:53:23.000000000 +0800
+--- /dev/null
++++ b/fs/mini_fo/file.c

 @@ -0,0 +1,713 @@
 +/*
 + * Copyright (c) 1997-2003 Erez Zadok
 @@ -0,0 +1,713 @@
 +/*
 + * Copyright (c) 1997-2003 Erez Zadok


@@ -1204,8 +1192,8 @@ Index: linux-2.6.23/fs/mini_fo/file.c
 +      hidden_file->f_pos = file->f_pos;
 +
 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
 +      hidden_file->f_pos = file->f_pos;
 +
 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)

-+      memcpy(&(hidden_file->f_ra), 
-+             &(file->f_ra), 
++      memcpy(&(hidden_file->f_ra),
++             &(file->f_ra),

 +             sizeof(struct file_ra_state));
 +#else
 +      if (file->f_reada) { /* update readahead information if needed */
 +             sizeof(struct file_ra_state));
 +#else
 +      if (file->f_reada) { /* update readahead information if needed */


@@ -1347,7 +1335,7 @@ Index: linux-2.6.23/fs/mini_fo/file.c
 +       */
 +      if (err >= 0)
 +              fist_copy_attr_times(inode, hidden_inode);
 +       */
 +      if (err >= 0)
 +              fist_copy_attr_times(inode, hidden_inode);

-+      
++

 +      *ppos = pos;
 +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
 +      /*
 +      *ppos = pos;
 +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
 +      /*


@@ -1376,7 +1364,7 @@ Index: linux-2.6.23/fs/mini_fo/file.c
 + *   - be able to call wol functions in order to avoid listing deleted
 + *     base files.
 + *   - if we're reading a directory which is in state 1, we need to
 + *   - be able to call wol functions in order to avoid listing deleted
 + *     base files.
 + *   - if we're reading a directory which is in state 1, we need to

-+ *     maintain a list (in mini_fo_filldir) of which files allready 
++ *     maintain a list (in mini_fo_filldir) of which files allready

 + *     have been copied to userspace,to detect files existing in base
 + *     and storage and not list them twice.
 + */
 + *     have been copied to userspace,to detect files existing in base
 + *     and storage and not list them twice.
 + */


@@ -1422,7 +1410,7 @@ Index: linux-2.6.23/fs/mini_fo/file.c
 +                      /* check if file has been deleted */
 +                      if(meta_check_d_entry(file->f_dentry, name, namlen))
 +                              return 0;
 +                      /* check if file has been deleted */
 +                      if(meta_check_d_entry(file->f_dentry, name, namlen))
 +                              return 0;

-+                      
++

 +                      /* do duplicate checking */
 +                      if(ndl_check_entry(&ftopd(file)->rd, name, namlen))
 +                              return 0;
 +                      /* do duplicate checking */
 +                      if(ndl_check_entry(&ftopd(file)->rd, name, namlen))
 +                              return 0;


@@ -1456,7 +1444,7 @@ Index: linux-2.6.23/fs/mini_fo/file.c
 +      ftopd(file)->rd.sto_done = 0;
 +      do {
 +              if (ftopd(file) != NULL) {
 +      ftopd(file)->rd.sto_done = 0;
 +      do {
 +              if (ftopd(file) != NULL) {

-+                      if(ftohf2(file)) { 
++                      if(ftohf2(file)) {

 +                              hidden_sto_file = ftohf2(file);
 +                              err = vfs_readdir(hidden_sto_file, mini_fo_filldir, dirent);
 +                              file->f_pos = hidden_sto_file->f_pos;
 +                              hidden_sto_file = ftohf2(file);
 +                              err = vfs_readdir(hidden_sto_file, mini_fo_filldir, dirent);
 +                              file->f_pos = hidden_sto_file->f_pos;


@@ -1469,7 +1457,7 @@ Index: linux-2.6.23/fs/mini_fo/file.c
 +
 +                      ftopd(file)->rd.sto_done = 1;
 +
 +
 +                      ftopd(file)->rd.sto_done = 1;
 +

-+                      if(ftohf(file)) { 
++                      if(ftohf(file)) {

 +                              hidden_file = ftohf(file);
 +                              err = vfs_readdir(hidden_file, mini_fo_filldir, dirent);
 +                              file->f_pos = hidden_file->f_pos;
 +                              hidden_file = ftohf(file);
 +                              err = vfs_readdir(hidden_file, mini_fo_filldir, dirent);
 +                              file->f_pos = hidden_file->f_pos;


@@ -1551,7 +1539,7 @@ Index: linux-2.6.23/fs/mini_fo/file.c
 +mini_fo_open(inode_t *inode, file_t *file)
 +{
 +      int err = 0;
 +mini_fo_open(inode_t *inode, file_t *file)
 +{
 +      int err = 0;

-+      int hidden_flags; 
++      int hidden_flags;

 +      file_t *hidden_file = NULL;
 +      dentry_t *hidden_dentry = NULL;
 +
 +      file_t *hidden_file = NULL;
 +      dentry_t *hidden_dentry = NULL;
 +


@@ -1559,7 +1547,7 @@ Index: linux-2.6.23/fs/mini_fo/file.c
 +      file_t *hidden_sto_file = NULL;
 +      dentry_t *hidden_sto_dentry = NULL;
 +
 +      file_t *hidden_sto_file = NULL;
 +      dentry_t *hidden_sto_dentry = NULL;
 +

-+      __ftopd(file) = 
++      __ftopd(file) =

 +              kmalloc(sizeof(struct mini_fo_file_info), GFP_KERNEL);
 +      if (!ftopd(file)) {
 +              err = -ENOMEM;
 +              kmalloc(sizeof(struct mini_fo_file_info), GFP_KERNEL);
 +      if (!ftopd(file)) {
 +              err = -ENOMEM;


@@ -1678,7 +1666,7 @@ Index: linux-2.6.23/fs/mini_fo/file.c
 +              goto out;
 +      }
 +      ftohf2(file) = hidden_sto_file; /* link storage file */
 +              goto out;
 +      }
 +      ftohf2(file) = hidden_sto_file; /* link storage file */

-+      
++

 + out:
 +      if (err < 0 && ftopd(file)) {
 +              kfree(ftopd(file));
 + out:
 +      if (err < 0 && ftopd(file)) {
 +              kfree(ftopd(file));


@@ -1696,7 +1684,7 @@ Index: linux-2.6.23/fs/mini_fo/file.c
 +      int err1 = 0;           /* assume ok (see open.c:close_fp) */
 +      int err2 = 0;
 +      file_t *hidden_file = NULL;
 +      int err1 = 0;           /* assume ok (see open.c:close_fp) */
 +      int err2 = 0;
 +      file_t *hidden_file = NULL;

-+      
++

 +      check_mini_fo_file(file);
 +
 +      /* mk: we don't do any state checking here, as its not worth the time.
 +      check_mini_fo_file(file);
 +
 +      /* mk: we don't do any state checking here, as its not worth the time.


@@ -1813,7 +1801,7 @@ Index: linux-2.6.23/fs/mini_fo/file.c
 +      if((hidden_file = ftohf2(file)) != NULL) {
 +              err2 = hidden_file->f_op->fasync(fd, hidden_file, flag);
 +      }
 +      if((hidden_file = ftohf2(file)) != NULL) {
 +              err2 = hidden_file->f_op->fasync(fd, hidden_file, flag);
 +      }

-+      
++

 +      return (err1 || err2);
 +}
 +
 +      return (err1 || err2);
 +}
 +


@@ -1859,10 +1847,8 @@ Index: linux-2.6.23/fs/mini_fo/file.c
 +              /* not implemented: sendpage */
 +              /* not implemented: get_unmapped_area */
 +      };
 +              /* not implemented: sendpage */
 +              /* not implemented: get_unmapped_area */
 +      };

-Index: linux-2.6.23/fs/mini_fo/fist.h
-===================================================================
---- /dev/null  1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.23/fs/mini_fo/fist.h     2007-10-10 13:53:23.000000000 +0800
+--- /dev/null
++++ b/fs/mini_fo/fist.h

 @@ -0,0 +1,252 @@
 +/*
 + * Copyright (c) 1997-2003 Erez Zadok
 @@ -0,0 +1,252 @@
 +/*
 + * Copyright (c) 1997-2003 Erez Zadok


@@ -2116,10 +2102,8 @@ Index: linux-2.6.23/fs/mini_fo/fist.h
 +# define FIST_IOCTL_SET_DEBUG_VALUE   _IOW(0x15, 2, int)
 +
 +#endif /* not __FIST_H_ */
 +# define FIST_IOCTL_SET_DEBUG_VALUE   _IOW(0x15, 2, int)
 +
 +#endif /* not __FIST_H_ */

-Index: linux-2.6.23/fs/mini_fo/inode.c
-===================================================================
---- /dev/null  1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.23/fs/mini_fo/inode.c    2007-10-10 13:53:23.000000000 +0800
+--- /dev/null
++++ b/fs/mini_fo/inode.c

 @@ -0,0 +1,1564 @@
 +/*
 + * Copyright (c) 1997-2003 Erez Zadok
 @@ -0,0 +1,1564 @@
 +/*
 + * Copyright (c) 1997-2003 Erez Zadok


@@ -2146,7 +2130,7 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +
 +#ifdef HAVE_CONFIG_H
 +# include <config.h>
 +
 +#ifdef HAVE_CONFIG_H
 +# include <config.h>

-+#endif 
++#endif

 +
 +#include "fist.h"
 +#include "mini_fo.h"
 +
 +#include "fist.h"
 +#include "mini_fo.h"


@@ -2187,7 +2171,7 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +      dentry_t *hidden_sto_dentry = NULL;
 +
 +      /* whiteout flag */
 +      dentry_t *hidden_sto_dentry = NULL;
 +
 +      /* whiteout flag */

-+      int del_flag = 0; 
++      int del_flag = 0;

 +      char *bpath = NULL;
 +
 +      const char *name;
 +      char *bpath = NULL;
 +
 +      const char *name;


@@ -2230,27 +2214,27 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +                      err= -EINVAL;
 +                      goto out;
 +              }
 +                      err= -EINVAL;
 +                      goto out;
 +              }

-+              
++

 +              /* this can be set up safely without fear of spaghetti
 +               * interposing as it is only used for copying times */
 +              hidden_dir_dentry = hidden_dentry->d_parent;
 +              kfree(bpath);
 +      }
 +      else if(hidden_dir_dentry && hidden_dir_dentry->d_inode)
 +              /* this can be set up safely without fear of spaghetti
 +               * interposing as it is only used for copying times */
 +              hidden_dir_dentry = hidden_dentry->d_parent;
 +              kfree(bpath);
 +      }
 +      else if(hidden_dir_dentry && hidden_dir_dentry->d_inode)

-+              hidden_dentry = 
++              hidden_dentry =

 +                      lookup_one_len(name, hidden_dir_dentry, namelen);
 +      else
 +              hidden_dentry = NULL;
 +
 +      if(hidden_sto_dir_dentry && hidden_sto_dir_dentry->d_inode)
 +                      lookup_one_len(name, hidden_dir_dentry, namelen);
 +      else
 +              hidden_dentry = NULL;
 +
 +      if(hidden_sto_dir_dentry && hidden_sto_dir_dentry->d_inode)

-+              hidden_sto_dentry = 
++              hidden_sto_dentry =

 +                      lookup_one_len(name, hidden_sto_dir_dentry, namelen);
 +      else
 +              hidden_sto_dentry =  NULL;
 +
 +      /* catch error in lookup */
 +      if (IS_ERR(hidden_dentry) || IS_ERR(hidden_sto_dentry)) {
 +                      lookup_one_len(name, hidden_sto_dir_dentry, namelen);
 +      else
 +              hidden_sto_dentry =  NULL;
 +
 +      /* catch error in lookup */
 +      if (IS_ERR(hidden_dentry) || IS_ERR(hidden_sto_dentry)) {

-+              /* mk: we need to call dput on the dentry, whose 
++              /* mk: we need to call dput on the dentry, whose

 +               * lookup_one_len operation failed, in order to avoid
 +               * unmount trouble.
 +               */
 +               * lookup_one_len operation failed, in order to avoid
 +               * unmount trouble.
 +               */


@@ -2272,14 +2256,14 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +      /* allocate dentry private data */
 +      __dtopd(dentry) = (struct mini_fo_dentry_info *)
 +              kmalloc(sizeof(struct mini_fo_dentry_info), GFP_KERNEL);
 +      /* allocate dentry private data */
 +      __dtopd(dentry) = (struct mini_fo_dentry_info *)
 +              kmalloc(sizeof(struct mini_fo_dentry_info), GFP_KERNEL);

-+      
++

 +      if (!dtopd(dentry)) {
 +              err = -ENOMEM;
 +              goto out_dput;
 +      }
 +
 +      /* check for different states of the mini_fo file to be looked up. */
 +      if (!dtopd(dentry)) {
 +              err = -ENOMEM;
 +              goto out_dput;
 +      }
 +
 +      /* check for different states of the mini_fo file to be looked up. */

-+      
++

 +      /* state 1, file has been modified */
 +      if(hidden_dentry && hidden_sto_dentry &&
 +         hidden_dentry->d_inode && hidden_sto_dentry->d_inode && !del_flag) {
 +      /* state 1, file has been modified */
 +      if(hidden_dentry && hidden_sto_dentry &&
 +         hidden_dentry->d_inode && hidden_sto_dentry->d_inode && !del_flag) {


@@ -2338,7 +2322,7 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +
 +      /* state 4, file has deleted and created again. */
 +      if(hidden_dentry && hidden_sto_dentry &&
 +
 +      /* state 4, file has deleted and created again. */
 +      if(hidden_dentry && hidden_sto_dentry &&

-+         hidden_dentry->d_inode && 
++         hidden_dentry->d_inode &&

 +         hidden_sto_dentry->d_inode && del_flag) {
 +
 +              fist_copy_attr_atime(dir, hidden_sto_dir_dentry->d_inode);
 +         hidden_sto_dentry->d_inode && del_flag) {
 +
 +              fist_copy_attr_atime(dir, hidden_sto_dir_dentry->d_inode);


@@ -2360,15 +2344,15 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +      }
 +      /* state 5, file has been deleted in base */
 +      if(hidden_dentry && hidden_sto_dentry &&
 +      }
 +      /* state 5, file has been deleted in base */
 +      if(hidden_dentry && hidden_sto_dentry &&

-+         hidden_dentry->d_inode && 
++         hidden_dentry->d_inode &&

 +         !hidden_sto_dentry->d_inode && del_flag) {
 +
 +              /* check which parents atime we need for updating */
 +              if(hidden_sto_dir_dentry->d_inode)
 +         !hidden_sto_dentry->d_inode && del_flag) {
 +
 +              /* check which parents atime we need for updating */
 +              if(hidden_sto_dir_dentry->d_inode)

-+                      fist_copy_attr_atime(dir, 
++                      fist_copy_attr_atime(dir,

 +                                           hidden_sto_dir_dentry->d_inode);
 +              else
 +                                           hidden_sto_dir_dentry->d_inode);
 +              else

-+                      fist_copy_attr_atime(dir, 
++                      fist_copy_attr_atime(dir,

 +                                           hidden_dir_dentry->d_inode);
 +
 +              dtopd(dentry)->state = DELETED;
 +                                           hidden_dir_dentry->d_inode);
 +
 +              dtopd(dentry)->state = DELETED;


@@ -2463,7 +2447,7 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +              dtohd(old_dentry) = NULL;
 +              dtost(old_dentry) = DEL_REWRITTEN;
 +      }
 +              dtohd(old_dentry) = NULL;
 +              dtost(old_dentry) = DEL_REWRITTEN;
 +      }

-+      
++

 +      err = get_neg_sto_dentry(new_dentry);
 +      if(err) {
 +              err = -EINVAL;
 +      err = get_neg_sto_dentry(new_dentry);
 +      if(err) {
 +              err = -EINVAL;


@@ -2567,7 +2551,7 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +#endif
 +
 +      /* Fail if the symlink file exists */
 +#endif
 +
 +      /* Fail if the symlink file exists */

-+      if(!(dtost(dentry) == DELETED || 
++      if(!(dtost(dentry) == DELETED ||

 +           dtost(dentry) == NON_EXISTANT)) {
 +              err = -EEXIST;
 +              goto out;
 +           dtost(dentry) == NON_EXISTANT)) {
 +              err = -EEXIST;
 +              goto out;


@@ -2613,7 +2597,7 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +                        goto out_lock;
 +        }
 +      fist_copy_attr_timesizes(dir, hidden_sto_dir_dentry->d_inode);
 +                        goto out_lock;
 +        }
 +      fist_copy_attr_timesizes(dir, hidden_sto_dir_dentry->d_inode);

-+      
++

 + out_lock:
 +        /* was: unlock_dir(hidden_sto_dir_dentry); */
 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
 + out_lock:
 +        /* was: unlock_dir(hidden_sto_dir_dentry); */
 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)


@@ -2647,7 +2631,7 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +mini_fo_rmdir(inode_t *dir, dentry_t *dentry)
 +{
 +      int err = 0;
 +mini_fo_rmdir(inode_t *dir, dentry_t *dentry)
 +{
 +      int err = 0;

-+      
++

 +      dentry_t *hidden_sto_dentry;
 +      dentry_t *hidden_sto_dir_dentry;
 +      dentry_t *meta_dentry;
 +      dentry_t *hidden_sto_dentry;
 +      dentry_t *hidden_sto_dir_dentry;
 +      dentry_t *meta_dentry;


@@ -2676,8 +2660,8 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +#endif
 +
 +              /* Delete an old WOL file contained in the storage dir */
 +#endif
 +
 +              /* Delete an old WOL file contained in the storage dir */

-+              meta_dentry = lookup_one_len(META_FILENAME, 
-+                                           hidden_sto_dentry, 
++              meta_dentry = lookup_one_len(META_FILENAME,
++                                           hidden_sto_dentry,

 +                                           strlen(META_FILENAME));
 +              if(meta_dentry->d_inode) {
 +                      err = vfs_unlink(hidden_sto_dentry->d_inode, meta_dentry);
 +                                           strlen(META_FILENAME));
 +              if(meta_dentry->d_inode) {
 +                      err = vfs_unlink(hidden_sto_dentry->d_inode, meta_dentry);


@@ -2695,15 +2679,15 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +              dentry->d_inode->i_nlink = itohi2(dentry->d_inode)->i_nlink;
 +
 +              dput(dtohd(dentry));
 +              dentry->d_inode->i_nlink = itohi2(dentry->d_inode)->i_nlink;
 +
 +              dput(dtohd(dentry));

-+              
++

 +              dtohd(dentry) = NULL;
 +              dtopd(dentry)->state = DELETED;
 +
 +              /* carefull with R files */
 +              dtohd(dentry) = NULL;
 +              dtopd(dentry)->state = DELETED;
 +
 +              /* carefull with R files */

-+              if( __meta_is_r_entry(dir, 
-+                                    dentry->d_name.name, 
++              if( __meta_is_r_entry(dir,
++                                    dentry->d_name.name,

 +                                    dentry->d_name.len) == 1) {
 +                                    dentry->d_name.len) == 1) {

-+                      err = meta_remove_r_entry(dentry->d_parent, 
++                      err = meta_remove_r_entry(dentry->d_parent,

 +                                                dentry->d_name.name,
 +                                                dentry->d_name.len);
 +                      if(err) {
 +                                                dentry->d_name.name,
 +                                                dentry->d_name.len);
 +                      if(err) {


@@ -2712,9 +2696,9 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +                      }
 +              }
 +              else {
 +                      }
 +              }
 +              else {

-+                      /* ok, add deleted file to META */              
-+                      meta_add_d_entry(dentry->d_parent, 
-+                                       dentry->d_name.name, 
++                      /* ok, add deleted file to META */
++                      meta_add_d_entry(dentry->d_parent,
++                                       dentry->d_name.name,

 +                                       dentry->d_name.len);
 +              }
 +              /* was: unlock_dir(hidden_sto_dir_dentry); */
 +                                       dentry->d_name.len);
 +              }
 +              /* was: unlock_dir(hidden_sto_dir_dentry); */


@@ -2728,7 +2712,7 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +      }
 +      else if(dtopd(dentry)->state == UNMODIFIED) {
 +              /* XXX: simply adding it to the delete list here is fscking dangerous!
 +      }
 +      else if(dtopd(dentry)->state == UNMODIFIED) {
 +              /* XXX: simply adding it to the delete list here is fscking dangerous!

-+               * as a temporary hack, i will disable rmdir on unmodified directories 
++               * as a temporary hack, i will disable rmdir on unmodified directories

 +               * for now.
 +               */
 +              err = -EINVAL;
 +               * for now.
 +               */
 +              err = -EINVAL;


@@ -2739,7 +2723,7 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +                      err = -EINVAL;
 +                      goto out;
 +              }
 +                      err = -EINVAL;
 +                      goto out;
 +              }

-+              
++

 +              /* dput base dentry, this will relase the inode and free the
 +               * dentry, as we will never need it again. */
 +              dput(dtohd(dentry));
 +              /* dput base dentry, this will relase the inode and free the
 +               * dentry, as we will never need it again. */
 +              dput(dtohd(dentry));


@@ -2747,8 +2731,8 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +              dtopd(dentry)->state = DELETED;
 +
 +              /* add deleted file to META-file */
 +              dtopd(dentry)->state = DELETED;
 +
 +              /* add deleted file to META-file */

-+              meta_add_d_entry(dentry->d_parent, 
-+                               dentry->d_name.name, 
++              meta_add_d_entry(dentry->d_parent,
++                               dentry->d_name.name,

 +                               dentry->d_name.len);
 +              goto out;
 +      }
 +                               dentry->d_name.len);
 +              goto out;
 +      }


@@ -2766,12 +2750,12 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +#endif
 +
 +              /* Delete an old WOL file contained in the storage dir */
 +#endif
 +
 +              /* Delete an old WOL file contained in the storage dir */

-+              meta_dentry = lookup_one_len(META_FILENAME, 
-+                                           hidden_sto_dentry, 
++              meta_dentry = lookup_one_len(META_FILENAME,
++                                           hidden_sto_dentry,

 +                                           strlen(META_FILENAME));
 +              if(meta_dentry->d_inode) {
 +                      /* is this necessary? dget(meta_dentry); */
 +                                           strlen(META_FILENAME));
 +              if(meta_dentry->d_inode) {
 +                      /* is this necessary? dget(meta_dentry); */

-+                      err = vfs_unlink(hidden_sto_dentry->d_inode, 
++                      err = vfs_unlink(hidden_sto_dentry->d_inode,

 +                                       meta_dentry);
 +                      dput(meta_dentry);
 +                      if(!err)
 +                                       meta_dentry);
 +                      dput(meta_dentry);
 +                      if(!err)


@@ -2811,8 +2795,8 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +#endif
 +
 +              /* Delete an old WOL file contained in the storage dir */
 +#endif
 +
 +              /* Delete an old WOL file contained in the storage dir */

-+              meta_dentry = lookup_one_len(META_FILENAME, 
-+                                           hidden_sto_dentry, 
++              meta_dentry = lookup_one_len(META_FILENAME,
++                                           hidden_sto_dentry,

 +                                           strlen(META_FILENAME));
 +              if(meta_dentry->d_inode) {
 +                      /* is this necessary? dget(meta_dentry); */
 +                                           strlen(META_FILENAME));
 +              if(meta_dentry->d_inode) {
 +                      /* is this necessary? dget(meta_dentry); */


@@ -2848,7 +2832,7 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +      if(!err) {
 +              d_drop(dentry);
 +      }
 +      if(!err) {
 +              d_drop(dentry);
 +      }

-+              
++

 +      fist_copy_attr_times(dir, itohi2(dentry->d_parent->d_inode));
 +      dput(dentry);
 +
 +      fist_copy_attr_times(dir, itohi2(dentry->d_parent->d_inode));
 +      dput(dentry);
 +


@@ -2872,7 +2856,7 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +              printk(KERN_CRIT "mini_fo_mknod: creating sto nod failed.\n");
 +              err = -EINVAL;
 +      }
 +              printk(KERN_CRIT "mini_fo_mknod: creating sto nod failed.\n");
 +              err = -EINVAL;
 +      }

-+      
++

 +      check_mini_fo_dentry(dentry);
 +      return err;
 +}
 +      check_mini_fo_dentry(dentry);
 +      return err;
 +}


@@ -2886,7 +2870,7 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +      if(S_ISDIR(old_dentry->d_inode->i_mode))
 +              return rename_directory(old_dir, old_dentry, new_dir, new_dentry);
 +      return rename_nondir(old_dir, old_dentry, new_dir, new_dentry);
 +      if(S_ISDIR(old_dentry->d_inode->i_mode))
 +              return rename_directory(old_dir, old_dentry, new_dir, new_dentry);
 +      return rename_nondir(old_dir, old_dentry, new_dir, new_dentry);

-+      
++

 +}
 +
 +int rename_directory(inode_t *old_dir, dentry_t *old_dentry,
 +}
 +
 +int rename_directory(inode_t *old_dir, dentry_t *old_dentry,


@@ -2911,17 +2895,17 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +                                  uh, ah, new_dentry not negative.\n");
 +              /* return -1; */
 +      }
 +                                  uh, ah, new_dentry not negative.\n");
 +              /* return -1; */
 +      }

-+      
++

 +      /* state = UNMODIFIED */
 +      if(dtopd(old_dentry)->state == UNMODIFIED) {
 +              err = dir_unmod_to_mod(old_dentry);
 +      /* state = UNMODIFIED */
 +      if(dtopd(old_dentry)->state == UNMODIFIED) {
 +              err = dir_unmod_to_mod(old_dentry);

-+              if (err) 
++              if (err)

 +                      goto out;
 +      }
 +
 +      /* state = MODIFIED */
 +      if(dtopd(old_dentry)->state == MODIFIED) {
 +                      goto out;
 +      }
 +
 +      /* state = MODIFIED */
 +      if(dtopd(old_dentry)->state == MODIFIED) {

-+              bpath = meta_check_r_entry(old_dentry->d_parent, 
++              bpath = meta_check_r_entry(old_dentry->d_parent,

 +                                         old_dentry->d_name.name,
 +                                         old_dentry->d_name.len);
 +              if(bpath) {
 +                                         old_dentry->d_name.name,
 +                                         old_dentry->d_name.len);
 +              if(bpath) {


@@ -2942,22 +2926,22 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +                      kfree(bpath);
 +              }
 +              else {/* wol it */
 +                      kfree(bpath);
 +              }
 +              else {/* wol it */

-+                      err = meta_add_d_entry(old_dentry->d_parent, 
++                      err = meta_add_d_entry(old_dentry->d_parent,

 +                                             old_dentry->d_name.name,
 +                                             old_dentry->d_name.len);
 +                                             old_dentry->d_name.name,
 +                                             old_dentry->d_name.len);

-+                      if (err) 
++                      if (err)

 +                              goto out;
 +                      /* put it on rename list */
 +                      err = get_mini_fo_bpath(old_dentry,
 +                              goto out;
 +                      /* put it on rename list */
 +                      err = get_mini_fo_bpath(old_dentry,

-+                                              &bpath, 
++                                              &bpath,

 +                                              &bpath_len);
 +                                              &bpath_len);

-+                      if (err) 
++                      if (err)

 +                              goto out;
 +                      err = meta_add_r_entry(new_dentry->d_parent,
 +                                             bpath, bpath_len,
 +                                             new_dentry->d_name.name,
 +                                             new_dentry->d_name.len);
 +                              goto out;
 +                      err = meta_add_r_entry(new_dentry->d_parent,
 +                                             bpath, bpath_len,
 +                                             new_dentry->d_name.name,
 +                                             new_dentry->d_name.len);

-+                      if (err) 
++                      if (err)

 +                              goto out;
 +              }
 +              /* no state change, MODIFIED stays MODIFIED */
 +                              goto out;
 +              }
 +              /* no state change, MODIFIED stays MODIFIED */


@@ -2967,53 +2951,53 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +         dtopd(old_dentry)->state == DEL_REWRITTEN) {
 +              if(dtohd(old_dentry))
 +                      dput(dtohd(old_dentry));
 +         dtopd(old_dentry)->state == DEL_REWRITTEN) {
 +              if(dtohd(old_dentry))
 +                      dput(dtohd(old_dentry));

-+              
++

 +              if(dtopd(new_dentry)->state == DELETED) {
 +                      dtopd(old_dentry)->state = DEL_REWRITTEN;
 +                      dtohd(old_dentry) = NULL;
 +              if(dtopd(new_dentry)->state == DELETED) {
 +                      dtopd(old_dentry)->state = DEL_REWRITTEN;
 +                      dtohd(old_dentry) = NULL;

-+              } 
++              }

 +              else if(dtopd(new_dentry)->state == NON_EXISTANT) {
 +                      dtopd(old_dentry)->state = CREATED;
 +                      /* steal new dentry's neg. base dentry */
 +                      dtohd(old_dentry) = dtohd(new_dentry);
 +                      dtohd(new_dentry) = NULL;
 +              }
 +              else if(dtopd(new_dentry)->state == NON_EXISTANT) {
 +                      dtopd(old_dentry)->state = CREATED;
 +                      /* steal new dentry's neg. base dentry */
 +                      dtohd(old_dentry) = dtohd(new_dentry);
 +                      dtohd(new_dentry) = NULL;
 +              }

-+      }               
++      }

 +      if(dtopd(new_dentry)->state == UNMODIFIED ||
 +         dtopd(new_dentry)->state == NON_EXISTANT) {
 +              err = get_neg_sto_dentry(new_dentry);
 +              if(err)
 +                      goto out;
 +      }
 +      if(dtopd(new_dentry)->state == UNMODIFIED ||
 +         dtopd(new_dentry)->state == NON_EXISTANT) {
 +              err = get_neg_sto_dentry(new_dentry);
 +              if(err)
 +                      goto out;
 +      }

-+                      
++

 +      /* now move sto file */
 +      hidden_old_dentry = dtohd2(old_dentry);
 +      hidden_new_dentry = dtohd2(new_dentry);
 +      /* now move sto file */
 +      hidden_old_dentry = dtohd2(old_dentry);
 +      hidden_new_dentry = dtohd2(new_dentry);

-+      
++

 +      dget(hidden_old_dentry);
 +      dget(hidden_new_dentry);
 +      dget(hidden_old_dentry);
 +      dget(hidden_new_dentry);

-+      
++

 +      hidden_old_dir_dentry = dget(hidden_old_dentry->d_parent);
 +      hidden_new_dir_dentry = dget(hidden_new_dentry->d_parent);
 +      double_lock(hidden_old_dir_dentry, hidden_new_dir_dentry);
 +      hidden_old_dir_dentry = dget(hidden_old_dentry->d_parent);
 +      hidden_new_dir_dentry = dget(hidden_new_dentry->d_parent);
 +      double_lock(hidden_old_dir_dentry, hidden_new_dir_dentry);

-+      
++

 +      err = vfs_rename(hidden_old_dir_dentry->d_inode, hidden_old_dentry,
 +                       hidden_new_dir_dentry->d_inode, hidden_new_dentry);
 +      if(err)
 +              goto out_lock;
 +      err = vfs_rename(hidden_old_dir_dentry->d_inode, hidden_old_dentry,
 +                       hidden_new_dir_dentry->d_inode, hidden_new_dentry);
 +      if(err)
 +              goto out_lock;

-+      
++

 +      fist_copy_attr_all(new_dir, hidden_new_dir_dentry->d_inode);
 +      if (new_dir != old_dir)
 +      fist_copy_attr_all(new_dir, hidden_new_dir_dentry->d_inode);
 +      if (new_dir != old_dir)

-+              fist_copy_attr_all(old_dir, 
++              fist_copy_attr_all(old_dir,

 +                                 hidden_old_dir_dentry->d_inode);
 +                                 hidden_old_dir_dentry->d_inode);

-+      
++

 + out_lock:
 +      /* double_unlock will dput the new/old parent dentries
 +       * whose refcnts were incremented via get_parent above. */
 +      double_unlock(hidden_old_dir_dentry, hidden_new_dir_dentry);
 +      dput(hidden_new_dentry);
 +      dput(hidden_old_dentry);
 + out_lock:
 +      /* double_unlock will dput the new/old parent dentries
 +       * whose refcnts were incremented via get_parent above. */
 +      double_unlock(hidden_old_dir_dentry, hidden_new_dir_dentry);
 +      dput(hidden_new_dentry);
 +      dput(hidden_old_dentry);

-+      
++

 + out:
 +      return err;
 +}
 + out:
 +      return err;
 +}


@@ -3039,7 +3023,7 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +
 +      /* the easy states */
 +      if(exists_in_storage(old_dentry)) {
 +
 +      /* the easy states */
 +      if(exists_in_storage(old_dentry)) {

-+              
++

 +              dentry_t *hidden_old_dentry;
 +              dentry_t *hidden_new_dentry;
 +              dentry_t *hidden_old_dir_dentry;
 +              dentry_t *hidden_old_dentry;
 +              dentry_t *hidden_new_dentry;
 +              dentry_t *hidden_old_dir_dentry;


@@ -3103,7 +3087,7 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +
 +                      /* we keep the neg. base dentry (if exists) */
 +                      dtohd(old_dentry) = dtohd(new_dentry);
 +
 +                      /* we keep the neg. base dentry (if exists) */
 +                      dtohd(old_dentry) = dtohd(new_dentry);

-+                      /* ...and set it to Null, or we'll get 
++                      /* ...and set it to Null, or we'll get

 +                       * Dr. dcache.c:345 if it gets dput twice... */
 +                      dtohd(new_dentry) = NULL;
 +                      dtopd(old_dentry)->state = CREATED;
 +                       * Dr. dcache.c:345 if it gets dput twice... */
 +                      dtohd(new_dentry) = NULL;
 +                      dtopd(old_dentry)->state = CREATED;


@@ -3115,41 +3099,41 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +                      dtopd(old_dentry)->state = DEL_REWRITTEN;
 +              }
 +              else { /* not possible, uhh, ahh */
 +                      dtopd(old_dentry)->state = DEL_REWRITTEN;
 +              }
 +              else { /* not possible, uhh, ahh */

-+                      printk(KERN_CRIT 
++                      printk(KERN_CRIT

 +                             "mini_fo: rename_reg_file: invalid state detected [1].\n");
 +                      return -1;
 +              }
 +                             "mini_fo: rename_reg_file: invalid state detected [1].\n");
 +                      return -1;
 +              }

-+              
++

 +              /* now we definitely have a sto file */
 +              hidden_old_dentry = dtohd2(old_dentry);
 +              hidden_new_dentry = dtohd2(new_dentry);
 +
 +              dget(hidden_old_dentry);
 +              dget(hidden_new_dentry);
 +              /* now we definitely have a sto file */
 +              hidden_old_dentry = dtohd2(old_dentry);
 +              hidden_new_dentry = dtohd2(new_dentry);
 +
 +              dget(hidden_old_dentry);
 +              dget(hidden_new_dentry);

-+              
++

 +              hidden_old_dir_dentry = dget(hidden_old_dentry->d_parent);
 +              hidden_new_dir_dentry = dget(hidden_new_dentry->d_parent);
 +              double_lock(hidden_old_dir_dentry, hidden_new_dir_dentry);
 +
 +              hidden_old_dir_dentry = dget(hidden_old_dentry->d_parent);
 +              hidden_new_dir_dentry = dget(hidden_new_dentry->d_parent);
 +              double_lock(hidden_old_dir_dentry, hidden_new_dir_dentry);
 +

-+              err = vfs_rename(hidden_old_dir_dentry->d_inode, 
++              err = vfs_rename(hidden_old_dir_dentry->d_inode,

 +                               hidden_old_dentry,
 +                               hidden_old_dentry,

-+                               hidden_new_dir_dentry->d_inode, 
++                               hidden_new_dir_dentry->d_inode,

 +                               hidden_new_dentry);
 +                               hidden_new_dentry);

-+              if(err) 
++              if(err)

 +                      goto out_lock;
 +
 +              fist_copy_attr_all(new_dir, hidden_new_dir_dentry->d_inode);
 +              if (new_dir != old_dir)
 +                      fist_copy_attr_all(old_dir, hidden_old_dir_dentry->d_inode);
 +                      goto out_lock;
 +
 +              fist_copy_attr_all(new_dir, hidden_new_dir_dentry->d_inode);
 +              if (new_dir != old_dir)
 +                      fist_copy_attr_all(old_dir, hidden_old_dir_dentry->d_inode);

-+              
++

 +      out_lock:
 +      out_lock:

-+              /* double_unlock will dput the new/old parent dentries 
++              /* double_unlock will dput the new/old parent dentries

 +               * whose refcnts were incremented via get_parent above.
 +               */
 +              double_unlock(hidden_old_dir_dentry, hidden_new_dir_dentry);
 +              dput(hidden_new_dentry);
 +              dput(hidden_old_dentry);
 +               * whose refcnts were incremented via get_parent above.
 +               */
 +              double_unlock(hidden_old_dir_dentry, hidden_new_dir_dentry);
 +              dput(hidden_new_dentry);
 +              dput(hidden_old_dentry);

-+      out:            
++      out:

 +              return err;
 +      }
 +      else { /* invalid state */
 +              return err;
 +      }
 +      else { /* invalid state */


@@ -3273,13 +3257,13 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +       *      if (err)
 +       *              goto out;
 +       */
 +       *      if (err)
 +       *              goto out;
 +       */

-+      
++

 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
 +      err = permission(hidden_inode, mask, nd);
 +#else
 +      err = permission(hidden_inode, mask);
 +#endif
 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
 +      err = permission(hidden_inode, mask, nd);
 +#else
 +      err = permission(hidden_inode, mask);
 +#endif

-+      
++

 +      /*  out: */
 +      return err;
 +}
 +      /*  out: */
 +      return err;
 +}


@@ -3323,7 +3307,7 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +      int err = 0;
 +
 +      check_mini_fo_dentry(dentry);
 +      int err = 0;
 +
 +      check_mini_fo_dentry(dentry);

-+      
++

 +      if(!is_mini_fo_existant(dentry)) {
 +              printk(KERN_CRIT "mini_fo_setattr: ERROR, invalid state detected [1].\n");
 +              goto out;
 +      if(!is_mini_fo_existant(dentry)) {
 +              printk(KERN_CRIT "mini_fo_setattr: ERROR, invalid state detected [1].\n");
 +              goto out;


@@ -3337,7 +3321,7 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +                      err = dir_unmod_to_mod(dentry);
 +              } else {
 +                      /* we copy contents if file is not beeing truncated */
 +                      err = dir_unmod_to_mod(dentry);
 +              } else {
 +                      /* we copy contents if file is not beeing truncated */

-+                      if(S_ISREG(dentry->d_inode->i_mode) && 
++                      if(S_ISREG(dentry->d_inode->i_mode) &&

 +                         !(ia->ia_size == 0 && (ia->ia_valid & ATTR_SIZE))) {
 +                              err = nondir_unmod_to_mod(dentry, 1);
 +                      } else
 +                         !(ia->ia_size == 0 && (ia->ia_valid & ATTR_SIZE))) {
 +                              err = nondir_unmod_to_mod(dentry, 1);
 +                      } else


@@ -3358,7 +3342,7 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +      ASSERT(dtohd2(dentry));
 +      ASSERT(itopd(dentry->d_inode));
 +      ASSERT(itohi2(dentry->d_inode));
 +      ASSERT(dtohd2(dentry));
 +      ASSERT(itopd(dentry->d_inode));
 +      ASSERT(itohi2(dentry->d_inode));

-+      
++

 +      err = notify_change(dtohd2(dentry), ia);
 +      fist_copy_attr_all(dentry->d_inode, itohi2(dentry->d_inode));
 + out:
 +      err = notify_change(dtohd2(dentry), ia);
 +      fist_copy_attr_all(dentry->d_inode, itohi2(dentry->d_inode));
 + out:


@@ -3454,7 +3438,7 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +              hidden_dentry = dtohd2(dentry);
 +      else
 +              hidden_dentry = dtohd(dentry);
 +              hidden_dentry = dtohd2(dentry);
 +      else
 +              hidden_dentry = dtohd(dentry);

-+         
++

 +      ASSERT(hidden_dentry);
 +      ASSERT(hidden_dentry->d_inode);
 +      ASSERT(hidden_dentry->d_inode->i_op);
 +      ASSERT(hidden_dentry);
 +      ASSERT(hidden_dentry->d_inode);
 +      ASSERT(hidden_dentry->d_inode->i_op);


@@ -3487,10 +3471,10 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +#if ((LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,21) \
 +     && LINUX_VERSION_CODE <= KERNEL_VERSION(2,4,23)) \
 +     || LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0))
 +#if ((LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,21) \
 +     && LINUX_VERSION_CODE <= KERNEL_VERSION(2,4,23)) \
 +     || LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0))

-+mini_fo_setxattr(struct dentry *dentry, const char *name, 
++mini_fo_setxattr(struct dentry *dentry, const char *name,

 +               const void *value, size_t size, int flags)
 +#else
 +               const void *value, size_t size, int flags)
 +#else

-+mini_fo_setxattr(struct dentry *dentry, const char *name, 
++mini_fo_setxattr(struct dentry *dentry, const char *name,

 +               void *value, size_t size, int flags)
 +#endif
 +
 +               void *value, size_t size, int flags)
 +#endif
 +


@@ -3508,7 +3492,7 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +              hidden_dentry = dtohd2(dentry);
 +      else
 +              hidden_dentry = dtohd(dentry);
 +              hidden_dentry = dtohd2(dentry);
 +      else
 +              hidden_dentry = dtohd(dentry);

-+      
++

 +      ASSERT(hidden_dentry);
 +      ASSERT(hidden_dentry->d_inode);
 +      ASSERT(hidden_dentry->d_inode->i_op);
 +      ASSERT(hidden_dentry);
 +      ASSERT(hidden_dentry->d_inode);
 +      ASSERT(hidden_dentry->d_inode->i_op);


@@ -3549,7 +3533,7 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +              hidden_dentry = dtohd2(dentry);
 +      else
 +              hidden_dentry = dtohd(dentry);
 +              hidden_dentry = dtohd2(dentry);
 +      else
 +              hidden_dentry = dtohd(dentry);

-+      
++

 +      ASSERT(hidden_dentry);
 +      ASSERT(hidden_dentry->d_inode);
 +      ASSERT(hidden_dentry->d_inode->i_op);
 +      ASSERT(hidden_dentry);
 +      ASSERT(hidden_dentry->d_inode);
 +      ASSERT(hidden_dentry->d_inode->i_op);


@@ -3685,10 +3669,8 @@ Index: linux-2.6.23/fs/mini_fo/inode.c
 +              removexattr:    mini_fo_removexattr
 +# endif /* XATTR && LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,20) */
 +      };
 +              removexattr:    mini_fo_removexattr
 +# endif /* XATTR && LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,20) */
 +      };

-Index: linux-2.6.23/fs/mini_fo/main.c
-===================================================================
---- /dev/null  1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.23/fs/mini_fo/main.c     2007-10-10 13:53:23.000000000 +0800
+--- /dev/null
++++ b/fs/mini_fo/main.c

 @@ -0,0 +1,423 @@
 +/*
 + * Copyright (c) 1997-2003 Erez Zadok
 @@ -0,0 +1,423 @@
 +/*
 + * Copyright (c) 1997-2003 Erez Zadok


@@ -3849,7 +3831,7 @@ Index: linux-2.6.23/fs/mini_fo/main.c
 +{
 +      dentry_t *hidden_root = ERR_PTR(-EINVAL);
 +      dentry_t *hidden_root2 = ERR_PTR(-EINVAL);
 +{
 +      dentry_t *hidden_root = ERR_PTR(-EINVAL);
 +      dentry_t *hidden_root2 = ERR_PTR(-EINVAL);

-+      struct nameidata nd, nd2; 
++      struct nameidata nd, nd2;

 +      char *name, *tmp, *end;
 +      int err = 0;
 +
 +      char *name, *tmp, *end;
 +      int err = 0;
 +


@@ -3901,7 +3883,7 @@ Index: linux-2.6.23/fs/mini_fo/main.c
 +                      stopd(sb)->hidden_mnt2 = nd2.mnt;
 +                      stohs2(sb) = hidden_root2->d_sb;
 +
 +                      stopd(sb)->hidden_mnt2 = nd2.mnt;
 +                      stohs2(sb) = hidden_root2->d_sb;
 +

-+                      /* validate storage dir, this is done in 
++                      /* validate storage dir, this is done in

 +                       * mini_fo_read_super for the base directory.
 +                       */
 +                      if (IS_ERR(hidden_root2)) {
 +                       * mini_fo_read_super for the base directory.
 +                       */
 +                      if (IS_ERR(hidden_root2)) {


@@ -4000,7 +3982,7 @@ Index: linux-2.6.23/fs/mini_fo/main.c
 +      sb->s_root->d_parent = sb->s_root;
 +
 +      /* link the upper and lower dentries */
 +      sb->s_root->d_parent = sb->s_root;
 +
 +      /* link the upper and lower dentries */

-+      __dtopd(sb->s_root) = (struct mini_fo_dentry_info *) 
++      __dtopd(sb->s_root) = (struct mini_fo_dentry_info *)

 +              kmalloc(sizeof(struct mini_fo_dentry_info), GFP_KERNEL);
 +      if (!dtopd(sb->s_root)) {
 +              err = -ENOMEM;
 +              kmalloc(sizeof(struct mini_fo_dentry_info), GFP_KERNEL);
 +      if (!dtopd(sb->s_root)) {
 +              err = -ENOMEM;


@@ -4050,14 +4032,14 @@ Index: linux-2.6.23/fs/mini_fo/main.c
 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,18)
 +static int mini_fo_get_sb(struct file_system_type *fs_type,
 +                                        int flags, const char *dev_name,
 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,18)
 +static int mini_fo_get_sb(struct file_system_type *fs_type,
 +                                        int flags, const char *dev_name,

-+                                        void *raw_data, struct vfsmount *mnt) 
++                                        void *raw_data, struct vfsmount *mnt)

 +{
 +      return get_sb_nodev(fs_type, flags, raw_data, mini_fo_read_super, mnt);
 +}
 +#else
 +static struct super_block *mini_fo_get_sb(struct file_system_type *fs_type,
 +                                        int flags, const char *dev_name,
 +{
 +      return get_sb_nodev(fs_type, flags, raw_data, mini_fo_read_super, mnt);
 +}
 +#else
 +static struct super_block *mini_fo_get_sb(struct file_system_type *fs_type,
 +                                        int flags, const char *dev_name,

-+                                        void *raw_data) 
++                                        void *raw_data)

 +{
 +      return get_sb_nodev(fs_type, flags, raw_data, mini_fo_read_super);
 +}
 +{
 +      return get_sb_nodev(fs_type, flags, raw_data, mini_fo_read_super);
 +}


@@ -4113,10 +4095,8 @@ Index: linux-2.6.23/fs/mini_fo/main.c
 +
 +module_init(init_mini_fo_fs)
 +module_exit(exit_mini_fo_fs)
 +
 +module_init(init_mini_fo_fs)
 +module_exit(exit_mini_fo_fs)

-Index: linux-2.6.23/fs/mini_fo/Makefile
-===================================================================
---- /dev/null  1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.23/fs/mini_fo/Makefile   2007-10-10 13:53:23.000000000 +0800
+--- /dev/null
++++ b/fs/mini_fo/Makefile

 @@ -0,0 +1,17 @@
 +#
 +# Makefile for mini_fo 2.4 and 2.6 Linux kernels
 @@ -0,0 +1,17 @@
 +#
 +# Makefile for mini_fo 2.4 and 2.6 Linux kernels


@@ -4135,10 +4115,8 @@ Index: linux-2.6.23/fs/mini_fo/Makefile
 +# dependencies
 +${mini_fo-objs}: mini_fo.h fist.h
 +
 +# dependencies
 +${mini_fo-objs}: mini_fo.h fist.h
 +

-Index: linux-2.6.23/fs/mini_fo/meta.c
-===================================================================
---- /dev/null  1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.23/fs/mini_fo/meta.c     2007-10-10 13:53:23.000000000 +0800
+--- /dev/null
++++ b/fs/mini_fo/meta.c

 @@ -0,0 +1,1000 @@
 +/*
 + * Copyright (C) 2004, 2005 Markus Klotzbuecher <mk@creamnet.de>
 @@ -0,0 +1,1000 @@
 +/*
 + * Copyright (C) 2004, 2005 Markus Klotzbuecher <mk@creamnet.de>


@@ -4155,7 +4133,7 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +#include "fist.h"
 +#include "mini_fo.h"
 +
 +#include "fist.h"
 +#include "mini_fo.h"
 +

-+int meta_build_lists(dentry_t *dentry) 
++int meta_build_lists(dentry_t *dentry)

 +{
 +      struct mini_fo_inode_info *inode_info;
 +
 +{
 +      struct mini_fo_inode_info *inode_info;
 +


@@ -4186,7 +4164,7 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +      /* might there be a META-file? */
 +      if(dtohd2(dentry) && dtohd2(dentry)->d_inode) {
 +              meta_dentry = lookup_one_len(META_FILENAME,
 +      /* might there be a META-file? */
 +      if(dtohd2(dentry) && dtohd2(dentry)->d_inode) {
 +              meta_dentry = lookup_one_len(META_FILENAME,

-+                                           dtohd2(dentry), 
++                                           dtohd2(dentry),

 +                                           strlen(META_FILENAME));
 +              if(!meta_dentry->d_inode) {
 +                      dput(meta_dentry);
 +                                           strlen(META_FILENAME));
 +              if(!meta_dentry->d_inode) {
 +                      dput(meta_dentry);


@@ -4195,7 +4173,7 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +              /* $%& err, is this correct? */
 +              meta_mnt = stopd(dentry->d_inode->i_sb)->hidden_mnt2;
 +              mntget(meta_mnt);
 +              /* $%& err, is this correct? */
 +              meta_mnt = stopd(dentry->d_inode->i_sb)->hidden_mnt2;
 +              mntget(meta_mnt);

-+              
++

 +
 +              /* open META-file for reading */
 +              meta_file = dentry_open(meta_dentry, meta_mnt, 0x0);
 +
 +              /* open META-file for reading */
 +              meta_file = dentry_open(meta_dentry, meta_mnt, 0x0);


@@ -4243,8 +4221,8 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +                              switch (*entry) {
 +                              case 'D':
 +                                      /* format: "D filename" */
 +                              switch (*entry) {
 +                              case 'D':
 +                                      /* format: "D filename" */

-+                                      meta_list_add_d_entry(dentry, 
-+                                                            entry+2, 
++                                      meta_list_add_d_entry(dentry,
++                                                            entry+2,

 +                                                            len-2);
 +                                      break;
 +                              case 'R':
 +                                                            len-2);
 +                                      break;
 +                              case 'R':


@@ -4253,10 +4231,10 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +                                      dir_name = strchr(old_path, ' ') + 1;
 +                                      old_len =  dir_name - old_path - 1;
 +                                      new_len = ((int) entry) + len - ((int ) dir_name);
 +                                      dir_name = strchr(old_path, ' ') + 1;
 +                                      old_len =  dir_name - old_path - 1;
 +                                      new_len = ((int) entry) + len - ((int ) dir_name);

-+                                      meta_list_add_r_entry(dentry, 
-+                                                            old_path, 
++                                      meta_list_add_r_entry(dentry,
++                                                            old_path,

 +                                                            old_len,
 +                                                            old_len,

-+                                                            dir_name, 
++                                                            dir_name,

 +                                                            new_len);
 +                                      break;
 +                              default:
 +                                                            new_len);
 +                                      break;
 +                              default:


@@ -4281,11 +4259,11 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +      dput(meta_dentry);
 +      return -1;
 + out_ok:
 +      dput(meta_dentry);
 +      return -1;
 + out_ok:

-+      return 1; /* check this!!! inode_info->wol_size; */ 
++      return 1; /* check this!!! inode_info->wol_size; */

 +}
 +
 +/* cleanups up all lists and free's the mem by dentry */
 +}
 +
 +/* cleanups up all lists and free's the mem by dentry */

-+int meta_put_lists(dentry_t *dentry) 
++int meta_put_lists(dentry_t *dentry)

 +{
 +      if(!dentry || !dentry->d_inode) {
 +              printk("mini_fo: meta_put_lists: invalid dentry passed.\n");
 +{
 +      if(!dentry || !dentry->d_inode) {
 +              printk("mini_fo: meta_put_lists: invalid dentry passed.\n");


@@ -4295,7 +4273,7 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +}
 +
 +/* cleanups up all lists and free's the mem by inode */
 +}
 +
 +/* cleanups up all lists and free's the mem by inode */

-+int __meta_put_lists(inode_t *inode) 
++int __meta_put_lists(inode_t *inode)

 +{
 +      int err = 0;
 +      if(!inode || !itopd(inode)) {
 +{
 +      int err = 0;
 +      if(!inode || !itopd(inode)) {


@@ -4322,19 +4300,19 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +
 +
 +/* remove all D entries from the renamed list and free the mem */
 +
 +
 +/* remove all D entries from the renamed list and free the mem */

-+int __meta_put_d_list(inode_t *inode) 
++int __meta_put_d_list(inode_t *inode)

 +{
 +      struct list_head *tmp;
 +        struct deleted_entry *del_entry;
 +        struct mini_fo_inode_info *inode_info;
 +{
 +      struct list_head *tmp;
 +        struct deleted_entry *del_entry;
 +        struct mini_fo_inode_info *inode_info;

-+      
++

 +      if(!inode || !itopd(inode)) {
 +              printk(KERN_CRIT "mini_fo: __meta_put_d_list: \
 +                                  invalid inode passed.\n");
 +              return -1;
 +      }
 +      inode_info = itopd(inode);
 +      if(!inode || !itopd(inode)) {
 +              printk(KERN_CRIT "mini_fo: __meta_put_d_list: \
 +                                  invalid inode passed.\n");
 +              return -1;
 +      }
 +      inode_info = itopd(inode);

-+      
++

 +        /* nuke the DELETED-list */
 +        if(inode_info->deleted_list_size <= 0)
 +              return 0;
 +        /* nuke the DELETED-list */
 +        if(inode_info->deleted_list_size <= 0)
 +              return 0;


@@ -4347,25 +4325,25 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +              kfree(del_entry);
 +      }
 +      inode_info->deleted_list_size = 0;
 +              kfree(del_entry);
 +      }
 +      inode_info->deleted_list_size = 0;

-+      
++

 +      return 0;
 +}
 +
 +/* remove all R entries from the renamed list and free the mem */
 +      return 0;
 +}
 +
 +/* remove all R entries from the renamed list and free the mem */

-+int __meta_put_r_list(inode_t *inode) 
++int __meta_put_r_list(inode_t *inode)

 +{
 +      struct list_head *tmp;
 +      struct renamed_entry *ren_entry;
 +        struct mini_fo_inode_info *inode_info;
 +{
 +      struct list_head *tmp;
 +      struct renamed_entry *ren_entry;
 +        struct mini_fo_inode_info *inode_info;

-+      
++

 +      if(!inode || !itopd(inode)) {
 +              printk(KERN_CRIT "mini_fo: meta_put_r_list: invalid inode.\n");
 +              return -1;
 +      }
 +      inode_info = itopd(inode);
 +      if(!inode || !itopd(inode)) {
 +              printk(KERN_CRIT "mini_fo: meta_put_r_list: invalid inode.\n");
 +              return -1;
 +      }
 +      inode_info = itopd(inode);

-+      
++

 +        /* nuke the RENAMED-list */
 +        /* nuke the RENAMED-list */

-+        if(inode_info->renamed_list_size <= 0) 
++        if(inode_info->renamed_list_size <= 0)

 +              return 0;
 +
 +      while(!list_empty(&inode_info->renamed_list)) {
 +              return 0;
 +
 +      while(!list_empty(&inode_info->renamed_list)) {


@@ -4377,7 +4355,7 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +              kfree(ren_entry);
 +      }
 +      inode_info->renamed_list_size = 0;
 +              kfree(ren_entry);
 +      }
 +      inode_info->renamed_list_size = 0;

-+      
++

 +      return 0;
 +}
 +
 +      return 0;
 +}
 +


@@ -4386,11 +4364,11 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +      int err = 0;
 +      err = meta_list_add_d_entry(dentry, name, len);
 +      err |= meta_write_d_entry(dentry,name,len);
 +      int err = 0;
 +      err = meta_list_add_d_entry(dentry, name, len);
 +      err |= meta_write_d_entry(dentry,name,len);

-+      return err;     
++      return err;

 +}
 +
 +/* add a D entry to the deleted list */
 +}
 +
 +/* add a D entry to the deleted list */

-+int meta_list_add_d_entry(dentry_t *dentry, const char *name, int len) 
++int meta_list_add_d_entry(dentry_t *dentry, const char *name, int len)

 +{
 +        struct deleted_entry *del_entry;
 +        struct mini_fo_inode_info *inode_info;
 +{
 +        struct deleted_entry *del_entry;
 +        struct mini_fo_inode_info *inode_info;


@@ -4405,7 +4383,7 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +        if(inode_info->deleted_list_size < 0)
 +                return -1;
 +
 +        if(inode_info->deleted_list_size < 0)
 +                return -1;
 +

-+        del_entry = (struct deleted_entry *) 
++        del_entry = (struct deleted_entry *)

 +              kmalloc(sizeof(struct deleted_entry), GFP_KERNEL);
 +        del_entry->name = (char*) kmalloc(len, GFP_KERNEL);
 +        if(!del_entry || !del_entry->name) {
 +              kmalloc(sizeof(struct deleted_entry), GFP_KERNEL);
 +        del_entry->name = (char*) kmalloc(len, GFP_KERNEL);
 +        if(!del_entry || !del_entry->name) {


@@ -4424,12 +4402,12 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +        return 0;
 +}
 +
 +        return 0;
 +}
 +

-+int meta_add_r_entry(dentry_t *dentry, 
-+                        const char *old_name, int old_len, 
++int meta_add_r_entry(dentry_t *dentry,
++                        const char *old_name, int old_len,

 +                        const char *new_name, int new_len)
 +{
 +      int err = 0;
 +                        const char *new_name, int new_len)
 +{
 +      int err = 0;

-+      err = meta_list_add_r_entry(dentry, 
++      err = meta_list_add_r_entry(dentry,

 +                                  old_name, old_len,
 +                                  new_name, new_len);
 +      err |= meta_write_r_entry(dentry,
 +                                  old_name, old_len,
 +                                  new_name, new_len);
 +      err |= meta_write_r_entry(dentry,


@@ -4439,8 +4417,8 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +}
 +
 +/* add a R entry to the renamed list */
 +}
 +
 +/* add a R entry to the renamed list */

-+int meta_list_add_r_entry(dentry_t *dentry, 
-+                        const char *old_name, int old_len, 
++int meta_list_add_r_entry(dentry_t *dentry,
++                        const char *old_name, int old_len,

 +                        const char *new_name, int new_len)
 +{
 +        struct renamed_entry *ren_entry;
 +                        const char *new_name, int new_len)
 +{
 +        struct renamed_entry *ren_entry;


@@ -4456,7 +4434,7 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +        if(inode_info->renamed_list_size < 0)
 +                return -1;
 +
 +        if(inode_info->renamed_list_size < 0)
 +                return -1;
 +

-+        ren_entry = (struct renamed_entry *) 
++        ren_entry = (struct renamed_entry *)

 +              kmalloc(sizeof(struct renamed_entry), GFP_KERNEL);
 +        ren_entry->old_name = (char*) kmalloc(old_len, GFP_KERNEL);
 +        ren_entry->new_name = (char*) kmalloc(new_len, GFP_KERNEL);
 +              kmalloc(sizeof(struct renamed_entry), GFP_KERNEL);
 +        ren_entry->old_name = (char*) kmalloc(old_len, GFP_KERNEL);
 +        ren_entry->new_name = (char*) kmalloc(new_len, GFP_KERNEL);


@@ -4485,7 +4463,7 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +{
 +      int err = 0;
 +      if(!dentry || !dentry->d_inode) {
 +{
 +      int err = 0;
 +      if(!dentry || !dentry->d_inode) {

-+              printk(KERN_CRIT 
++              printk(KERN_CRIT

 +                     "mini_fo: meta_remove_r_entry: \
 +                        invalid dentry passed.\n");
 +              return -1;
 +                     "mini_fo: meta_remove_r_entry: \
 +                        invalid dentry passed.\n");
 +              return -1;


@@ -4499,7 +4477,7 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +int meta_list_remove_r_entry(dentry_t *dentry, const char *name, int len)
 +{
 +      if(!dentry || !dentry->d_inode) {
 +int meta_list_remove_r_entry(dentry_t *dentry, const char *name, int len)
 +{
 +      if(!dentry || !dentry->d_inode) {

-+              printk(KERN_CRIT 
++              printk(KERN_CRIT

 +                     "mini_fo: meta_list_remove_r_entry: \
 +                        invalid dentry passed.\n");
 +              return -1;
 +                     "mini_fo: meta_list_remove_r_entry: \
 +                        invalid dentry passed.\n");
 +              return -1;


@@ -4514,7 +4492,7 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +        struct mini_fo_inode_info *inode_info;
 +
 +      if(!inode || !itopd(inode))
 +        struct mini_fo_inode_info *inode_info;
 +
 +      if(!inode || !itopd(inode))

-+              printk(KERN_CRIT 
++              printk(KERN_CRIT

 +                     "mini_fo: __meta_list_remove_r_entry: \
 +                        invalid inode passed.\n");
 +      inode_info = itopd(inode);
 +                     "mini_fo: __meta_list_remove_r_entry: \
 +                        invalid inode passed.\n");
 +      inode_info = itopd(inode);


@@ -4523,12 +4501,12 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +                return -1;
 +        if(inode_info->renamed_list_size == 0)
 +                return 1;
 +                return -1;
 +        if(inode_info->renamed_list_size == 0)
 +                return 1;

-+      
++

 +      list_for_each(tmp, &inode_info->renamed_list) {
 +              ren_entry = list_entry(tmp, struct renamed_entry, list);
 +              if(ren_entry->new_len != len)
 +                      continue;
 +      list_for_each(tmp, &inode_info->renamed_list) {
 +              ren_entry = list_entry(tmp, struct renamed_entry, list);
 +              if(ren_entry->new_len != len)
 +                      continue;

-+              
++

 +              if(!strncmp(ren_entry->new_name, name, len)) {
 +                      list_del(tmp);
 +                      kfree(ren_entry->new_name);
 +              if(!strncmp(ren_entry->new_name, name, len)) {
 +                      list_del(tmp);
 +                      kfree(ren_entry->new_name);


@@ -4543,7 +4521,7 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +
 +
 +/* append a single D entry to the meta file */
 +
 +
 +/* append a single D entry to the meta file */

-+int meta_write_d_entry(dentry_t *dentry, const char *name, int len) 
++int meta_write_d_entry(dentry_t *dentry, const char *name, int len)

 +{
 +      dentry_t *meta_dentry = 0;
 +        file_t *meta_file = 0;
 +{
 +      dentry_t *meta_dentry = 0;
 +        file_t *meta_file = 0;


@@ -4568,19 +4546,19 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +                      goto out;
 +                }
 +        }
 +                      goto out;
 +                }
 +        }

-+      meta_dentry = lookup_one_len(META_FILENAME, 
++      meta_dentry = lookup_one_len(META_FILENAME,

 +                                   dtohd2(dentry), strlen (META_FILENAME));
 +
 +      /* We need to create a META-file */
 +        if(!meta_dentry->d_inode) {
 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
 +              vfs_create(dtohd2(dentry)->d_inode,
 +                                   dtohd2(dentry), strlen (META_FILENAME));
 +
 +      /* We need to create a META-file */
 +        if(!meta_dentry->d_inode) {
 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
 +              vfs_create(dtohd2(dentry)->d_inode,

-+                         meta_dentry, 
++                         meta_dentry,

 +                         S_IRUSR | S_IWUSR,
 +                         NULL);
 +#else
 +                vfs_create(dtohd2(dentry)->d_inode,
 +                         S_IRUSR | S_IWUSR,
 +                         NULL);
 +#else
 +                vfs_create(dtohd2(dentry)->d_inode,

-+                         meta_dentry, 
++                         meta_dentry,

 +                         S_IRUSR | S_IWUSR);
 +#endif
 +      }
 +                         S_IRUSR | S_IWUSR);
 +#endif
 +      }


@@ -4613,12 +4591,12 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +                                  out of mem.\n");
 +              return -ENOMEM;
 +      }
 +                                  out of mem.\n");
 +              return -ENOMEM;
 +      }

-+                    
++

 +      buf[0] = 'D';
 +      buf[1] = ' ';
 +      strncpy(buf+2, name, len);
 +      buf[len+2] = '\n';
 +      buf[0] = 'D';
 +      buf[1] = ' ';
 +      strncpy(buf+2, name, len);
 +      buf[len+2] = '\n';

-+      bytes = meta_file->f_op->write(meta_file, buf, len+3, 
++      bytes = meta_file->f_op->write(meta_file, buf, len+3,

 +                                     &meta_file->f_pos);
 +      if(bytes != len+3) {
 +              printk(KERN_CRIT "mini_fo: meta_write_d_entry: \
 +                                     &meta_file->f_pos);
 +      if(bytes != len+3) {
 +              printk(KERN_CRIT "mini_fo: meta_write_d_entry: \


@@ -4635,9 +4613,9 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +}
 +
 +/* append a single R entry to the meta file */
 +}
 +
 +/* append a single R entry to the meta file */

-+int meta_write_r_entry(dentry_t *dentry, 
-+                     const char *old_name, int old_len, 
-+                     const char *new_name, int new_len) 
++int meta_write_r_entry(dentry_t *dentry,
++                     const char *old_name, int old_len,
++                     const char *new_name, int new_len)

 +{
 +      dentry_t *meta_dentry = 0;
 +        file_t *meta_file = 0;
 +{
 +      dentry_t *meta_dentry = 0;
 +        file_t *meta_file = 0;


@@ -4664,16 +4642,16 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +                      goto out;
 +                }
 +        }
 +                      goto out;
 +                }
 +        }

-+      meta_dentry = lookup_one_len(META_FILENAME, 
-+                                   dtohd2(dentry), 
++      meta_dentry = lookup_one_len(META_FILENAME,
++                                   dtohd2(dentry),

 +                                   strlen (META_FILENAME));
 +        if(!meta_dentry->d_inode) {
 +                /* We need to create a META-file */
 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
 +                                   strlen (META_FILENAME));
 +        if(!meta_dentry->d_inode) {
 +                /* We need to create a META-file */
 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)

-+                vfs_create(dtohd2(dentry)->d_inode, 
++                vfs_create(dtohd2(dentry)->d_inode,

 +                         meta_dentry, S_IRUSR | S_IWUSR, NULL);
 +#else
 +                         meta_dentry, S_IRUSR | S_IWUSR, NULL);
 +#else

-+                vfs_create(dtohd2(dentry)->d_inode, 
++                vfs_create(dtohd2(dentry)->d_inode,

 +                         meta_dentry, S_IRUSR | S_IWUSR);
 +#endif
 +      }
 +                         meta_dentry, S_IRUSR | S_IWUSR);
 +#endif
 +      }


@@ -4706,7 +4684,7 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +              printk(KERN_CRIT "mini_fo: meta_write_r_entry: out of mem.\n");
 +              return -ENOMEM;
 +      }
 +              printk(KERN_CRIT "mini_fo: meta_write_r_entry: out of mem.\n");
 +              return -ENOMEM;
 +      }

-+                    
++

 +      buf[0] = 'R';
 +      buf[1] = ' ';
 +      strncpy(buf + 2, old_name, old_len);
 +      buf[0] = 'R';
 +      buf[1] = ' ';
 +      strncpy(buf + 2, old_name, old_len);


@@ -4718,7 +4696,7 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +              printk(KERN_CRIT "mini_fo: meta_write_r_entry: ERROR writing.\n");
 +              err = -1;
 +      }
 +              printk(KERN_CRIT "mini_fo: meta_write_r_entry: ERROR writing.\n");
 +              err = -1;
 +      }

-+      
++

 +      kfree(buf);
 +      set_fs(old_fs);
 +
 +      kfree(buf);
 +      set_fs(old_fs);
 +


@@ -4736,7 +4714,7 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +      dentry_t *meta_dentry;
 +        file_t *meta_file;
 +        mm_segment_t old_fs;
 +      dentry_t *meta_dentry;
 +        file_t *meta_file;
 +        mm_segment_t old_fs;

-+      
++

 +        int bytes, err;
 +        struct vfsmount *meta_mnt;
 +        char *buf;
 +        int bytes, err;
 +        struct vfsmount *meta_mnt;
 +        char *buf;


@@ -4748,7 +4726,7 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +      err = 0;
 +      meta_file=0;
 +      meta_mnt=0;
 +      err = 0;
 +      meta_file=0;
 +      meta_mnt=0;

-+      
++

 +      if(!dentry || !dentry->d_inode) {
 +              printk(KERN_CRIT "mini_fo: meta_sync_d_list: \
 +                                  invalid inode passed.\n");
 +      if(!dentry || !dentry->d_inode) {
 +              printk(KERN_CRIT "mini_fo: meta_sync_d_list: \
 +                                  invalid inode passed.\n");


@@ -4756,12 +4734,12 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +              goto out;
 +      }
 +      inode_info = itopd(dentry->d_inode);
 +              goto out;
 +      }
 +      inode_info = itopd(dentry->d_inode);

-+      
++

 +        if(inode_info->deleted_list_size < 0) {
 +              err = -1;
 +              goto out;
 +      }
 +        if(inode_info->deleted_list_size < 0) {
 +              err = -1;
 +              goto out;
 +      }

-+      
++

 +      /* ok, there is something to sync */
 +
 +      /* build the storage structure? */
 +      /* ok, there is something to sync */
 +
 +      /* build the storage structure? */


@@ -4773,16 +4751,16 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +                      goto out;
 +                }
 +        }
 +                      goto out;
 +                }
 +        }

-+      meta_dentry = lookup_one_len(META_FILENAME, 
-+                                   dtohd2(dentry), 
++      meta_dentry = lookup_one_len(META_FILENAME,
++                                   dtohd2(dentry),

 +                                   strlen(META_FILENAME));
 +        if(!meta_dentry->d_inode) {
 +                /* We need to create a META-file */
 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
 +                                   strlen(META_FILENAME));
 +        if(!meta_dentry->d_inode) {
 +                /* We need to create a META-file */
 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)

-+                vfs_create(dtohd2(dentry)->d_inode, 
++                vfs_create(dtohd2(dentry)->d_inode,

 +                         meta_dentry, S_IRUSR | S_IWUSR, NULL);
 +#else
 +                         meta_dentry, S_IRUSR | S_IWUSR, NULL);
 +#else

-+                vfs_create(dtohd2(dentry)->d_inode, 
++                vfs_create(dtohd2(dentry)->d_inode,

 +                         meta_dentry, S_IRUSR | S_IWUSR);
 +#endif
 +              app_flag = 0;
 +                         meta_dentry, S_IRUSR | S_IWUSR);
 +#endif
 +              app_flag = 0;


@@ -4819,7 +4797,7 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +                printk(KERN_CRIT "mini_fo: meta_sync_d_list: \
 +                                  ERROR opening meta file.\n");
 +              /* we don't mntget so we dont't mntput (for now)
 +                printk(KERN_CRIT "mini_fo: meta_sync_d_list: \
 +                                  ERROR opening meta file.\n");
 +              /* we don't mntget so we dont't mntput (for now)

-+               * mntput(meta_mnt); 
++               * mntput(meta_mnt);

 +               */
 +              dput(meta_dentry);
 +              err = -1;
 +               */
 +              dput(meta_dentry);
 +              err = -1;


@@ -4832,7 +4810,7 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +                                  ERROR, fs does not support writing.\n");
 +                goto out_err_close;
 +        }
 +                                  ERROR, fs does not support writing.\n");
 +                goto out_err_close;
 +        }

-+      
++

 +      meta_file->f_pos = meta_dentry->d_inode->i_size; /* append */
 +        old_fs = get_fs();
 +        set_fs(KERNEL_DS);
 +      meta_file->f_pos = meta_dentry->d_inode->i_size; /* append */
 +        old_fs = get_fs();
 +        set_fs(KERNEL_DS);


@@ -4840,7 +4818,7 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +      /* here we go... */
 +        list_for_each(tmp, &inode_info->deleted_list) {
 +              del_entry = list_entry(tmp, struct deleted_entry, list);
 +      /* here we go... */
 +        list_for_each(tmp, &inode_info->deleted_list) {
 +              del_entry = list_entry(tmp, struct deleted_entry, list);

-+              
++

 +              /* size: len for name, 1 for \n and 2 for "D " */
 +              buf = (char *) kmalloc(del_entry->len+3, GFP_KERNEL);
 +              if (!buf) {
 +              /* size: len for name, 1 for \n and 2 for "D " */
 +              buf = (char *) kmalloc(del_entry->len+3, GFP_KERNEL);
 +              if (!buf) {


@@ -4848,13 +4826,13 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +                                          out of mem.\n");
 +                      return -ENOMEM;
 +              }
 +                                          out of mem.\n");
 +                      return -ENOMEM;
 +              }

-+                    
++

 +              buf[0] = 'D';
 +              buf[1] = ' ';
 +              strncpy(buf+2, del_entry->name, del_entry->len);
 +              buf[del_entry->len+2] = '\n';
 +              buf[0] = 'D';
 +              buf[1] = ' ';
 +              strncpy(buf+2, del_entry->name, del_entry->len);
 +              buf[del_entry->len+2] = '\n';

-+              bytes = meta_file->f_op->write(meta_file, buf, 
-+                                             del_entry->len+3, 
++              bytes = meta_file->f_op->write(meta_file, buf,
++                                             del_entry->len+3,

 +                                             &meta_file->f_pos);
 +              if(bytes != del_entry->len+3) {
 +                      printk(KERN_CRIT "mini_fo: meta_sync_d_list: \
 +                                             &meta_file->f_pos);
 +              if(bytes != del_entry->len+3) {
 +                      printk(KERN_CRIT "mini_fo: meta_sync_d_list: \


@@ -4864,7 +4842,7 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +              kfree(buf);
 +      }
 +      set_fs(old_fs);
 +              kfree(buf);
 +      }
 +      set_fs(old_fs);

-+      
++

 + out_err_close:
 +      fput(meta_file);
 + out:
 + out_err_close:
 +      fput(meta_file);
 + out:


@@ -4877,19 +4855,19 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +      dentry_t *meta_dentry;
 +        file_t *meta_file;
 +        mm_segment_t old_fs;
 +      dentry_t *meta_dentry;
 +        file_t *meta_file;
 +        mm_segment_t old_fs;

-+      
++

 +        int bytes, err, buf_len;
 +        struct vfsmount *meta_mnt;
 +        char *buf;
 +        int bytes, err, buf_len;
 +        struct vfsmount *meta_mnt;
 +        char *buf;

-+      
++

 +      struct list_head *tmp;
 +        struct renamed_entry *ren_entry;
 +        struct mini_fo_inode_info *inode_info;
 +      struct list_head *tmp;
 +        struct renamed_entry *ren_entry;
 +        struct mini_fo_inode_info *inode_info;

-+      
++

 +      err = 0;
 +      meta_file=0;
 +      meta_mnt=0;
 +      err = 0;
 +      meta_file=0;
 +      meta_mnt=0;

-+      
++

 +      if(!dentry || !dentry->d_inode) {
 +              printk(KERN_CRIT "mini_fo: meta_sync_r_list: \
 +                                  invalid dentry passed.\n");
 +      if(!dentry || !dentry->d_inode) {
 +              printk(KERN_CRIT "mini_fo: meta_sync_r_list: \
 +                                  invalid dentry passed.\n");


@@ -4897,12 +4875,12 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +              goto out;
 +      }
 +      inode_info = itopd(dentry->d_inode);
 +              goto out;
 +      }
 +      inode_info = itopd(dentry->d_inode);

-+      
++

 +        if(inode_info->deleted_list_size < 0) {
 +              err = -1;
 +              goto out;
 +      }
 +        if(inode_info->deleted_list_size < 0) {
 +              err = -1;
 +              goto out;
 +      }

-+      
++

 +      /* ok, there is something to sync */
 +
 +      /* build the storage structure? */
 +      /* ok, there is something to sync */
 +
 +      /* build the storage structure? */


@@ -4914,16 +4892,16 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +                      goto out;
 +                }
 +        }
 +                      goto out;
 +                }
 +        }

-+      meta_dentry = lookup_one_len(META_FILENAME, 
-+                                   dtohd2(dentry), 
++      meta_dentry = lookup_one_len(META_FILENAME,
++                                   dtohd2(dentry),

 +                                   strlen(META_FILENAME));
 +        if(!meta_dentry->d_inode) {
 +                /* We need to create a META-file */
 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
 +                                   strlen(META_FILENAME));
 +        if(!meta_dentry->d_inode) {
 +                /* We need to create a META-file */
 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)

-+                vfs_create(dtohd2(dentry)->d_inode, 
++                vfs_create(dtohd2(dentry)->d_inode,

 +                         meta_dentry, S_IRUSR | S_IWUSR, NULL);
 +#else
 +                         meta_dentry, S_IRUSR | S_IWUSR, NULL);
 +#else

-+                vfs_create(dtohd2(dentry)->d_inode, 
++                vfs_create(dtohd2(dentry)->d_inode,

 +                         meta_dentry, S_IRUSR | S_IWUSR);
 +#endif
 +              app_flag = 0;
 +                         meta_dentry, S_IRUSR | S_IWUSR);
 +#endif
 +              app_flag = 0;


@@ -4959,7 +4937,7 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +                printk(KERN_CRIT "mini_fo: meta_sync_r_list: \
 +                                  ERROR opening meta file.\n");
 +              /* we don't mntget so we dont't mntput (for now)
 +                printk(KERN_CRIT "mini_fo: meta_sync_r_list: \
 +                                  ERROR opening meta file.\n");
 +              /* we don't mntget so we dont't mntput (for now)

-+               * mntput(meta_mnt); 
++               * mntput(meta_mnt);

 +               */
 +              dput(meta_dentry);
 +              err = -1;
 +               */
 +              dput(meta_dentry);
 +              err = -1;


@@ -4972,7 +4950,7 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +                                  ERROR, fs does not support writing.\n");
 +                goto out_err_close;
 +        }
 +                                  ERROR, fs does not support writing.\n");
 +                goto out_err_close;
 +        }

-+      
++

 +      meta_file->f_pos = meta_dentry->d_inode->i_size; /* append */
 +        old_fs = get_fs();
 +        set_fs(KERNEL_DS);
 +      meta_file->f_pos = meta_dentry->d_inode->i_size; /* append */
 +        old_fs = get_fs();
 +        set_fs(KERNEL_DS);


@@ -4980,7 +4958,7 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +      /* here we go... */
 +        list_for_each(tmp, &inode_info->renamed_list) {
 +              ren_entry = list_entry(tmp, struct renamed_entry, list);
 +      /* here we go... */
 +        list_for_each(tmp, &inode_info->renamed_list) {
 +              ren_entry = list_entry(tmp, struct renamed_entry, list);

-+              /* size: 
++              /* size:

 +               * 2 for "R ", old_len+new_len for names, 1 blank+1 \n */
 +              buf_len = ren_entry->old_len + ren_entry->new_len + 4;
 +              buf = (char *) kmalloc(buf_len, GFP_KERNEL);
 +               * 2 for "R ", old_len+new_len for names, 1 blank+1 \n */
 +              buf_len = ren_entry->old_len + ren_entry->new_len + 4;
 +              buf = (char *) kmalloc(buf_len, GFP_KERNEL);


@@ -4993,35 +4971,35 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +              buf[1] = ' ';
 +              strncpy(buf + 2, ren_entry->old_name, ren_entry->old_len);
 +              buf[ren_entry->old_len + 2] = ' ';
 +              buf[1] = ' ';
 +              strncpy(buf + 2, ren_entry->old_name, ren_entry->old_len);
 +              buf[ren_entry->old_len + 2] = ' ';

-+              strncpy(buf + ren_entry->old_len + 3, 
++              strncpy(buf + ren_entry->old_len + 3,

 +                      ren_entry->new_name, ren_entry->new_len);
 +              buf[buf_len - 1] = '\n';
 +                      ren_entry->new_name, ren_entry->new_len);
 +              buf[buf_len - 1] = '\n';

-+              bytes = meta_file->f_op->write(meta_file, buf, 
++              bytes = meta_file->f_op->write(meta_file, buf,

 +                                             buf_len, &meta_file->f_pos);
 +              if(bytes != buf_len) {
 +                      printk(KERN_CRIT "mini_fo: meta_sync_r_list: \
 +                                          ERROR writing.\n");
 +                      err |= -1;
 +                                             buf_len, &meta_file->f_pos);
 +              if(bytes != buf_len) {
 +                      printk(KERN_CRIT "mini_fo: meta_sync_r_list: \
 +                                          ERROR writing.\n");
 +                      err |= -1;

-+              }               
++              }

 +              kfree(buf);
 +      }
 +      set_fs(old_fs);
 +              kfree(buf);
 +      }
 +      set_fs(old_fs);

-+      
++

 + out_err_close:
 +      fput(meta_file);
 + out:
 +      return err;
 +}
 +
 + out_err_close:
 +      fput(meta_file);
 + out:
 +      return err;
 +}
 +

-+int meta_check_d_entry(dentry_t *dentry, const char *name, int len) 
++int meta_check_d_entry(dentry_t *dentry, const char *name, int len)

 +{
 +      if(!dentry || !dentry->d_inode)
 +              printk(KERN_CRIT "mini_fo: meta_check_d_dentry: \
 +                                  invalid dentry passed.\n");
 +{
 +      if(!dentry || !dentry->d_inode)
 +              printk(KERN_CRIT "mini_fo: meta_check_d_dentry: \
 +                                  invalid dentry passed.\n");

-+      return __meta_check_d_entry(dentry->d_inode, name, len);        
++      return __meta_check_d_entry(dentry->d_inode, name, len);

 +}
 +
 +}
 +

-+int __meta_check_d_entry(inode_t *inode, const char *name, int len) 
++int __meta_check_d_entry(inode_t *inode, const char *name, int len)

 +{
 +      struct list_head *tmp;
 +        struct deleted_entry *del_entry;
 +{
 +      struct list_head *tmp;
 +        struct deleted_entry *del_entry;


@@ -5032,7 +5010,7 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +                                  invalid inode passed.\n");
 +
 +        inode_info = itopd(inode);
 +                                  invalid inode passed.\n");
 +
 +        inode_info = itopd(inode);

-+      
++

 +        if(inode_info->deleted_list_size <= 0)
 +                return 0;
 +
 +        if(inode_info->deleted_list_size <= 0)
 +                return 0;
 +


@@ -5040,26 +5018,26 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +              del_entry = list_entry(tmp, struct deleted_entry, list);
 +              if(del_entry->len != len)
 +                      continue;
 +              del_entry = list_entry(tmp, struct deleted_entry, list);
 +              if(del_entry->len != len)
 +                      continue;

-+              
++

 +              if(!strncmp(del_entry->name, name, len))
 +                      return 1;
 +      }
 +      return 0;
 +}
 +
 +              if(!strncmp(del_entry->name, name, len))
 +                      return 1;
 +      }
 +      return 0;
 +}
 +

-+/* 
++/*

 + * check if file has been renamed and return path to orig. base dir.
 + * Implements no error return values so far, what of course sucks.
 + * String is null terminated.'
 + */
 + * check if file has been renamed and return path to orig. base dir.
 + * Implements no error return values so far, what of course sucks.
 + * String is null terminated.'
 + */

-+char* meta_check_r_entry(dentry_t *dentry, const char *name, int len) 
++char* meta_check_r_entry(dentry_t *dentry, const char *name, int len)

 +{
 +      if(!dentry || !dentry->d_inode) {
 +              printk(KERN_CRIT "mini_fo: meta_check_r_dentry: \
 +                                  invalid dentry passed.\n");
 +              return NULL;
 +      }
 +{
 +      if(!dentry || !dentry->d_inode) {
 +              printk(KERN_CRIT "mini_fo: meta_check_r_dentry: \
 +                                  invalid dentry passed.\n");
 +              return NULL;
 +      }

-+      return __meta_check_r_entry(dentry->d_inode, name, len);        
++      return __meta_check_r_entry(dentry->d_inode, name, len);

 +}
 +
 +char* __meta_check_r_entry(inode_t *inode, const char *name, int len)
 +}
 +
 +char* __meta_check_r_entry(inode_t *inode, const char *name, int len)


@@ -5068,27 +5046,27 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +        struct renamed_entry *ren_entry;
 +        struct mini_fo_inode_info *inode_info;
 +      char *old_path;
 +        struct renamed_entry *ren_entry;
 +        struct mini_fo_inode_info *inode_info;
 +      char *old_path;

-+      
++

 +      if(!inode || !itopd(inode)) {
 +              printk(KERN_CRIT "mini_fo: meta_check_r_dentry: \
 +                                  invalid inode passed.\n");
 +              return NULL;
 +      }
 +      inode_info = itopd(inode);
 +      if(!inode || !itopd(inode)) {
 +              printk(KERN_CRIT "mini_fo: meta_check_r_dentry: \
 +                                  invalid inode passed.\n");
 +              return NULL;
 +      }
 +      inode_info = itopd(inode);

-+      
++

 +        if(inode_info->renamed_list_size <= 0)
 +                return NULL;
 +        if(inode_info->renamed_list_size <= 0)
 +                return NULL;

-+      
++

 +        list_for_each(tmp, &inode_info->renamed_list) {
 +              ren_entry = list_entry(tmp, struct renamed_entry, list);
 +              if(ren_entry->new_len != len)
 +                      continue;
 +        list_for_each(tmp, &inode_info->renamed_list) {
 +              ren_entry = list_entry(tmp, struct renamed_entry, list);
 +              if(ren_entry->new_len != len)
 +                      continue;

-+              
++

 +              if(!strncmp(ren_entry->new_name, name, len)) {
 +              if(!strncmp(ren_entry->new_name, name, len)) {

-+                      old_path = (char *) 
++                      old_path = (char *)

 +                              kmalloc(ren_entry->old_len+1, GFP_KERNEL);
 +                              kmalloc(ren_entry->old_len+1, GFP_KERNEL);

-+                      strncpy(old_path, 
-+                              ren_entry->old_name, 
++                      strncpy(old_path,
++                              ren_entry->old_name,

 +                              ren_entry->old_len);
 +                      old_path[ren_entry->old_len]='\0';
 +                      return old_path;
 +                              ren_entry->old_len);
 +                      old_path[ren_entry->old_len]='\0';
 +                      return old_path;


@@ -5103,14 +5081,14 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 + *     0 if not,
 + *    -1 if error.
 + */
 + *     0 if not,
 + *    -1 if error.
 + */

-+int meta_is_r_entry(dentry_t *dentry, const char *name, int len) 
++int meta_is_r_entry(dentry_t *dentry, const char *name, int len)

 +{
 +      if(!dentry || !dentry->d_inode) {
 +              printk(KERN_CRIT "mini_fo: meta_check_r_dentry [2]: \
 +                                  invalid dentry passed.\n");
 +              return -1;
 +      }
 +{
 +      if(!dentry || !dentry->d_inode) {
 +              printk(KERN_CRIT "mini_fo: meta_check_r_dentry [2]: \
 +                                  invalid dentry passed.\n");
 +              return -1;
 +      }

-+      return __meta_is_r_entry(dentry->d_inode, name, len);   
++      return __meta_is_r_entry(dentry->d_inode, name, len);

 +}
 +
 +int __meta_is_r_entry(inode_t *inode, const char *name, int len)
 +}
 +
 +int __meta_is_r_entry(inode_t *inode, const char *name, int len)


@@ -5118,32 +5096,30 @@ Index: linux-2.6.23/fs/mini_fo/meta.c
 +      struct list_head *tmp;
 +        struct renamed_entry *ren_entry;
 +        struct mini_fo_inode_info *inode_info;
 +      struct list_head *tmp;
 +        struct renamed_entry *ren_entry;
 +        struct mini_fo_inode_info *inode_info;

-+      
++

 +      if(!inode || !itopd(inode)) {
 +              printk(KERN_CRIT "mini_fo: meta_check_r_dentry [2]: \
 +                                  invalid inode passed.\n");
 +              return -1;
 +      }
 +      inode_info = itopd(inode);
 +      if(!inode || !itopd(inode)) {
 +              printk(KERN_CRIT "mini_fo: meta_check_r_dentry [2]: \
 +                                  invalid inode passed.\n");
 +              return -1;
 +      }
 +      inode_info = itopd(inode);

-+      
++

 +        if(inode_info->renamed_list_size <= 0)
 +                return -1;
 +        if(inode_info->renamed_list_size <= 0)
 +                return -1;

-+      
++

 +        list_for_each(tmp, &inode_info->renamed_list) {
 +              ren_entry = list_entry(tmp, struct renamed_entry, list);
 +              if(ren_entry->new_len != len)
 +                      continue;
 +        list_for_each(tmp, &inode_info->renamed_list) {
 +              ren_entry = list_entry(tmp, struct renamed_entry, list);
 +              if(ren_entry->new_len != len)
 +                      continue;

-+              
-+              if(!strncmp(ren_entry->new_name, name, len)) 
++
++              if(!strncmp(ren_entry->new_name, name, len))

 +                      return 1;
 +      }
 +      return 0;
 +}
 +
 +                      return 1;
 +      }
 +      return 0;
 +}
 +

-Index: linux-2.6.23/fs/mini_fo/mini_fo.h
-===================================================================
---- /dev/null  1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.23/fs/mini_fo/mini_fo.h  2007-10-10 13:53:23.000000000 +0800
+--- /dev/null
++++ b/fs/mini_fo/mini_fo.h

 @@ -0,0 +1,510 @@
 +/*
 + * Copyright (c) 1997-2003 Erez Zadok
 @@ -0,0 +1,510 @@
 +/*
 + * Copyright (c) 1997-2003 Erez Zadok


@@ -5341,7 +5317,7 @@ Index: linux-2.6.23/fs/mini_fo/mini_fo.h
 +# define __ftopd(file) ((file)->private_data)
 +/* file TO hidden_file */
 +# define ftohf(file) ((ftopd(file))->wfi_file)
 +# define __ftopd(file) ((file)->private_data)
 +/* file TO hidden_file */
 +# define ftohf(file) ((ftopd(file))->wfi_file)

-+# define ftohf2(file) ((ftopd(file))->wfi_file2) 
++# define ftohf2(file) ((ftopd(file))->wfi_file2)

 +
 +/* inode TO private_data */
 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,18)
 +
 +/* inode TO private_data */
 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,18)


@@ -5443,7 +5419,7 @@ Index: linux-2.6.23/fs/mini_fo/mini_fo.h
 +/* misc stuff */
 +extern int mini_fo_tri_interpose(dentry_t *hidden_dentry,
 +                               dentry_t *hidden_sto_dentry,
 +/* misc stuff */
 +extern int mini_fo_tri_interpose(dentry_t *hidden_dentry,
 +                               dentry_t *hidden_sto_dentry,

-+                               dentry_t *dentry, 
++                               dentry_t *dentry,

 +                               super_block_t *sb, int flag);
 +
 +extern int mini_fo_cp_cont(dentry_t *tgt_dentry, struct vfsmount *tgt_mnt,
 +                               super_block_t *sb, int flag);
 +
 +extern int mini_fo_cp_cont(dentry_t *tgt_dentry, struct vfsmount *tgt_mnt,


@@ -5482,8 +5458,8 @@ Index: linux-2.6.23/fs/mini_fo/mini_fo.h
 +extern int __meta_put_lists(inode_t *inode);
 +
 +extern int meta_add_d_entry(dentry_t *dentry, const char *name, int len);
 +extern int __meta_put_lists(inode_t *inode);
 +
 +extern int meta_add_d_entry(dentry_t *dentry, const char *name, int len);

-+extern int meta_add_r_entry(dentry_t *dentry, 
-+                          const char *old_name, int old_len, 
++extern int meta_add_r_entry(dentry_t *dentry,
++                          const char *old_name, int old_len,

 +                          const char *new_name, int new_len);
 +
 +extern int meta_remove_r_entry(dentry_t *dentry, const char *name, int len);
 +                          const char *new_name, int new_len);
 +
 +extern int meta_remove_r_entry(dentry_t *dentry, const char *name, int len);


@@ -5500,21 +5476,21 @@ Index: linux-2.6.23/fs/mini_fo/mini_fo.h
 +extern int __meta_put_d_list(inode_t *inode);
 +extern int __meta_put_r_list(inode_t *inode);
 +
 +extern int __meta_put_d_list(inode_t *inode);
 +extern int __meta_put_r_list(inode_t *inode);
 +

-+extern int meta_list_add_d_entry(dentry_t *dentry, 
++extern int meta_list_add_d_entry(dentry_t *dentry,

 +                               const char *name, int len);
 +                               const char *name, int len);

-+extern int meta_list_add_r_entry(dentry_t *dentry, 
-+                               const char *old_name, int old_len, 
++extern int meta_list_add_r_entry(dentry_t *dentry,
++                               const char *old_name, int old_len,

 +                               const char *new_name, int new_len);
 +
 +                               const char *new_name, int new_len);
 +

-+extern int meta_list_remove_r_entry(dentry_t *dentry, 
++extern int meta_list_remove_r_entry(dentry_t *dentry,

 +                                  const char *name, int len);
 +
 +                                  const char *name, int len);
 +

-+extern int __meta_list_remove_r_entry(inode_t *inode, 
++extern int __meta_list_remove_r_entry(inode_t *inode,

 +                                    const char *name, int len);
 +
 +extern int meta_write_d_entry(dentry_t *dentry, const char *name, int len);
 +                                    const char *name, int len);
 +
 +extern int meta_write_d_entry(dentry_t *dentry, const char *name, int len);

-+extern int meta_write_r_entry(dentry_t *dentry, 
-+                            const char *old_name, int old_len, 
++extern int meta_write_r_entry(dentry_t *dentry,
++                            const char *old_name, int old_len,

 +                            const char *new_name, int new_len);
 +
 +extern int meta_sync_lists(dentry_t *dentry);
 +                            const char *new_name, int new_len);
 +
 +extern int meta_sync_lists(dentry_t *dentry);


@@ -5524,7 +5500,7 @@ Index: linux-2.6.23/fs/mini_fo/mini_fo.h
 +/* ndl stuff */
 +extern int ndl_add_entry(struct readdir_data *rd, const char *name, int len);
 +extern void ndl_put_list(struct readdir_data *rd);
 +/* ndl stuff */
 +extern int ndl_add_entry(struct readdir_data *rd, const char *name, int len);
 +extern void ndl_put_list(struct readdir_data *rd);

-+extern int ndl_check_entry(struct readdir_data *rd, 
++extern int ndl_check_entry(struct readdir_data *rd,

 +                         const char *name, int len);
 +
 +
 +                         const char *name, int len);
 +
 +


@@ -5655,10 +5631,8 @@ Index: linux-2.6.23/fs/mini_fo/mini_fo.h
 +/* ioctls */
 +
 +#endif        /* not __MINI_FO_H_ */
 +/* ioctls */
 +
 +#endif        /* not __MINI_FO_H_ */

-Index: linux-2.6.23/fs/mini_fo/mini_fo-merge
-===================================================================
---- /dev/null  1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.23/fs/mini_fo/mini_fo-merge      2007-10-10 13:53:23.000000000 +0800
+--- /dev/null
++++ b/fs/mini_fo/mini_fo-merge

 @@ -0,0 +1,180 @@
 +#!/bin/bash
 +#
 @@ -0,0 +1,180 @@
 +#!/bin/bash
 +#


@@ -5762,7 +5736,7 @@ Index: linux-2.6.23/fs/mini_fo/mini_fo-merge
 +# storage dir:    $STO
 +# meta filename:  $META_NAME
 +# dry run:        $DRYRUN
 +# storage dir:    $STO
 +# meta filename:  $META_NAME
 +# dry run:        $DRYRUN

-+# verbose:        $VERBOSE     
++# verbose:        $VERBOSE

 +# tmp files:      $TMP
 +###############################################################################
 +
 +# tmp files:      $TMP
 +###############################################################################
 +


@@ -5773,7 +5747,7 @@ Index: linux-2.6.23/fs/mini_fo/mini_fo-merge
 +# first process all renamed dirs
 +echo "Merging renamed directories..."
 +pushd $STO &> /dev/null
 +# first process all renamed dirs
 +echo "Merging renamed directories..."
 +pushd $STO &> /dev/null

-+find . -name $META_NAME -type f -print0  | xargs -0 -e grep  -e '^R ' | tr -s ':R' ' ' | while read ENTRY; do 
++find . -name $META_NAME -type f -print0  | xargs -0 -e grep  -e '^R ' | tr -s ':R' ' ' | while read ENTRY; do

 +    echo "entry: $ENTRY"
 +    META_FILE=`echo $ENTRY | cut -d ' ' -f 1`
 +    OLD_B_DIR=`echo $ENTRY | cut -d ' ' -f 2 | sed -e 's/\///'`
 +    echo "entry: $ENTRY"
 +    META_FILE=`echo $ENTRY | cut -d ' ' -f 1`
 +    OLD_B_DIR=`echo $ENTRY | cut -d ' ' -f 2 | sed -e 's/\///'`


@@ -5797,7 +5771,7 @@ Index: linux-2.6.23/fs/mini_fo/mini_fo-merge
 +
 +# delete all whiteouted files from base
 +echo -e "\nDeleting whiteout'ed files from base file system..."
 +
 +# delete all whiteouted files from base
 +echo -e "\nDeleting whiteout'ed files from base file system..."

-+find . -name $META_NAME -type f -print0  | xargs -0 -e grep  -e '^D ' | sed -e 's/:D//' | while read ENTRY; do 
++find . -name $META_NAME -type f -print0  | xargs -0 -e grep  -e '^D ' | sed -e 's/:D//' | while read ENTRY; do

 +    META_FILE=`echo $ENTRY | cut -d ' ' -f 1`
 +    DEL_NAME=`echo $ENTRY | cut -d ' ' -f 2`
 +    DEL_FILE=`echo $META_FILE | sed -e "s/$META_NAME/$DEL_NAME/" | sed -e 's/^\.\///'`
 +    META_FILE=`echo $ENTRY | cut -d ' ' -f 1`
 +    DEL_NAME=`echo $ENTRY | cut -d ' ' -f 2`
 +    DEL_FILE=`echo $META_FILE | sed -e "s/$META_NAME/$DEL_NAME/" | sed -e 's/^\.\///'`


@@ -5833,17 +5807,15 @@ Index: linux-2.6.23/fs/mini_fo/mini_fo-merge
 +      pushd $BASE #&> /dev/null
 +      COMMAND="cp -df $STO/$FILE $BASE/$FILE"; exec_command
 +      popd &> /dev/null
 +      pushd $BASE #&> /dev/null
 +      COMMAND="cp -df $STO/$FILE $BASE/$FILE"; exec_command
 +      popd &> /dev/null

-+    done   
++    done

 +done
 +popd &> /dev/null
 +
 +done
 +popd &> /dev/null
 +

-+#rm $TMP/$SKIP_DEL_LIST 
++#rm $TMP/$SKIP_DEL_LIST

 +
 +echo "Done!"
 +
 +echo "Done!"

-Index: linux-2.6.23/fs/mini_fo/mini_fo-overlay
-===================================================================
---- /dev/null  1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.23/fs/mini_fo/mini_fo-overlay    2007-10-10 13:53:23.000000000 +0800
+--- /dev/null
++++ b/fs/mini_fo/mini_fo-overlay

 @@ -0,0 +1,130 @@
 +#!/bin/bash
 +#
 @@ -0,0 +1,130 @@
 +#!/bin/bash
 +#


@@ -5862,7 +5834,7 @@ Index: linux-2.6.23/fs/mini_fo/mini_fo-overlay
 +STO_DIR="/tmp"
 +BASE=
 +
 +STO_DIR="/tmp"
 +BASE=
 +

-+usage() 
++usage()

 +{
 +cat <<EOF
 +
 +{
 +cat <<EOF
 +


@@ -5870,7 +5842,7 @@ Index: linux-2.6.23/fs/mini_fo/mini_fo-overlay
 +Version 0.1
 +
 +This script overlays the given base directory using the mini_fo file
 +Version 0.1
 +
 +This script overlays the given base directory using the mini_fo file

-+system. If only the base directory base_dir is given, $0 
++system. If only the base directory base_dir is given, $0

 +will use a storage directory called "sto-<base_dir_name>" in $STO_DIR,
 +and mount point "mini_fo-<base_dir_dir>" in $MNT_DIR.
 +
 +will use a storage directory called "sto-<base_dir_name>" in $STO_DIR,
 +and mount point "mini_fo-<base_dir_dir>" in $MNT_DIR.
 +


@@ -5915,7 +5887,7 @@ Index: linux-2.6.23/fs/mini_fo/mini_fo-overlay
 +    exit -1
 +fi
 +
 +    exit -1
 +fi
 +

-+# fix suffix 
++# fix suffix

 +if [ "x$SUFF" != "x" ]; then
 +    SUFF="-$SUFF"
 +fi
 +if [ "x$SUFF" != "x" ]; then
 +    SUFF="-$SUFF"
 +fi


@@ -5969,16 +5941,14 @@ Index: linux-2.6.23/fs/mini_fo/mini_fo-overlay
 +    exit -1
 +fi
 +
 +    exit -1
 +fi
 +

-+# mount 
++# mount

 +mount -t mini_fo -o base=$BASE,sto=$STO $BASE $MNTP
 +
 +if [ $? -ne 0 ]; then
 +    echo "Error, mounting failed, maybe no permisson to mount?"
 +fi
 +mount -t mini_fo -o base=$BASE,sto=$STO $BASE $MNTP
 +
 +if [ $? -ne 0 ]; then
 +    echo "Error, mounting failed, maybe no permisson to mount?"
 +fi

-Index: linux-2.6.23/fs/mini_fo/mmap.c
-===================================================================
---- /dev/null  1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.23/fs/mini_fo/mmap.c     2007-10-10 13:53:23.000000000 +0800
+--- /dev/null
++++ b/fs/mini_fo/mmap.c

 @@ -0,0 +1,637 @@
 +/*
 + * Copyright (c) 1997-2003 Erez Zadok
 @@ -0,0 +1,637 @@
 +/*
 + * Copyright (c) 1997-2003 Erez Zadok


@@ -6617,10 +6587,8 @@ Index: linux-2.6.23/fs/mini_fo/mmap.c
 +      print_exit_status(err);
 +      return err;
 +}
 +      print_exit_status(err);
 +      return err;
 +}

-Index: linux-2.6.23/fs/mini_fo/README
-===================================================================
---- /dev/null  1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.23/fs/mini_fo/README     2007-10-10 13:53:23.000000000 +0800
+--- /dev/null
++++ b/fs/mini_fo/README

 @@ -0,0 +1,163 @@
 +README for the mini_fo overlay file system
 +=========================================
 @@ -0,0 +1,163 @@
 +README for the mini_fo overlay file system
 +=========================================


@@ -6688,9 +6656,9 @@ Index: linux-2.6.23/fs/mini_fo/README
 +on it:
 +
 +load the module (as root)
 +on it:
 +
 +load the module (as root)

-+    
++

 +    # insmod mini_fo.o for a 2.4 kernel or
 +    # insmod mini_fo.o for a 2.4 kernel or

-+ 
++

 +    # insmod mini_fo.ko for a 2.6 kernel
 +
 +
 +    # insmod mini_fo.ko for a 2.6 kernel
 +
 +


@@ -6785,10 +6753,8 @@ Index: linux-2.6.23/fs/mini_fo/README
 +2 of the License, or (at your option) any later version.
 +
 +
 +2 of the License, or (at your option) any later version.
 +
 +

-Index: linux-2.6.23/fs/mini_fo/RELEASE_NOTES
-===================================================================
---- /dev/null  1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.23/fs/mini_fo/RELEASE_NOTES      2007-10-10 13:53:23.000000000 +0800
+--- /dev/null
++++ b/fs/mini_fo/RELEASE_NOTES

 @@ -0,0 +1,111 @@
 +Release:      mini_fo-0.6.1 (v0-6-1)
 +Date:         21.09.2005
 @@ -0,0 +1,111 @@
 +Release:      mini_fo-0.6.1 (v0-6-1)
 +Date:         21.09.2005


@@ -6854,7 +6820,7 @@ Index: linux-2.6.23/fs/mini_fo/RELEASE_NOTES
 +
 +v0-5-10-pre5:
 +
 +
 +v0-5-10-pre5:
 +

-+- implemented directory deleting 
++- implemented directory deleting

 +- made parsing of mount options more stable
 +- New format of mount options! (See README)
 +- I can't reproduce the unknown panic with 2.4.25 anymore, so I'll
 +- made parsing of mount options more stable
 +- New format of mount options! (See README)
 +- I can't reproduce the unknown panic with 2.4.25 anymore, so I'll


@@ -6864,10 +6830,10 @@ Index: linux-2.6.23/fs/mini_fo/RELEASE_NOTES
 +Implemented features:
 +---------------------
 +
 +Implemented features:
 +---------------------
 +

-+- creating hard links (see BUGS on already existing hard links)       
++- creating hard links (see BUGS on already existing hard links)

 +- lightweight directory renaming
 +- lightweight directory renaming

-+- renaming device files, pipes, sockets, etc. 
-+- creating, renaming, deleting of special files 
++- renaming device files, pipes, sockets, etc.
++- creating, renaming, deleting of special files

 +- deleting directorys
 +- general directory reading (simple "ls" )
 +- creating files in existing directorys
 +- deleting directorys
 +- general directory reading (simple "ls" )
 +- creating files in existing directorys


@@ -6901,10 +6867,8 @@ Index: linux-2.6.23/fs/mini_fo/RELEASE_NOTES
 +original state. I hope to fix this someday. Please note that this does
 +not effect the special hard links '.' and '..', that are handled
 +seperately by the lower fs.
 +original state. I hope to fix this someday. Please note that this does
 +not effect the special hard links '.' and '..', that are handled
 +seperately by the lower fs.

-Index: linux-2.6.23/fs/mini_fo/state.c
-===================================================================
---- /dev/null  1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.23/fs/mini_fo/state.c    2007-10-10 13:53:23.000000000 +0800
+--- /dev/null
++++ b/fs/mini_fo/state.c

 @@ -0,0 +1,620 @@
 +/*
 + * Copyright (C) 2005 Markus Klotzbuecher <mk@creamnet.de>
 @@ -0,0 +1,620 @@
 +/*
 + * Copyright (C) 2005 Markus Klotzbuecher <mk@creamnet.de>


@@ -6946,7 +6910,7 @@ Index: linux-2.6.23/fs/mini_fo/state.c
 +              printk(KERN_CRIT "mini_fo: create_sto_file: ERROR getting neg. sto dentry.\n");
 +              goto out;
 +      }
 +              printk(KERN_CRIT "mini_fo: create_sto_file: ERROR getting neg. sto dentry.\n");
 +              goto out;
 +      }

-+      
++

 +      dir = dentry->d_parent->d_inode;
 +      hidden_sto_dentry = dtohd2(dentry);
 +
 +      dir = dentry->d_parent->d_inode;
 +      hidden_sto_dentry = dtohd2(dentry);
 +


@@ -7006,7 +6970,7 @@ Index: linux-2.6.23/fs/mini_fo/state.c
 +                }
 +                itohi2(dentry->d_inode) = igrab(dtohd2(dentry)->d_inode);
 +      }
 +                }
 +                itohi2(dentry->d_inode) = igrab(dtohd2(dentry)->d_inode);
 +      }

-+      fist_copy_attr_timesizes(dentry->d_parent->d_inode, 
++      fist_copy_attr_timesizes(dentry->d_parent->d_inode,

 +                               hidden_sto_dir_dentry->d_inode);
 +
 + out_lock:
 +                               hidden_sto_dir_dentry->d_inode);
 +
 + out_lock:


@@ -7035,7 +6999,7 @@ Index: linux-2.6.23/fs/mini_fo/state.c
 +                err = -EINVAL;
 +                goto out;
 +        }
 +                err = -EINVAL;
 +                goto out;
 +        }

-+      
++

 +      err = get_neg_sto_dentry(dentry);
 +      if(err) {
 +              err = -EINVAL;
 +      err = get_neg_sto_dentry(dentry);
 +      if(err) {
 +              err = -EINVAL;


@@ -7057,7 +7021,7 @@ Index: linux-2.6.23/fs/mini_fo/state.c
 +      err = PTR_ERR(hidden_sto_dir_dentry);
 +      if (IS_ERR(hidden_sto_dir_dentry))
 +              goto out;
 +      err = PTR_ERR(hidden_sto_dir_dentry);
 +      if (IS_ERR(hidden_sto_dir_dentry))
 +              goto out;

-+      
++

 +      err = vfs_mkdir(hidden_sto_dir_dentry->d_inode,
 +                      hidden_sto_dentry,
 +                      mode);
 +      err = vfs_mkdir(hidden_sto_dir_dentry->d_inode,
 +                      hidden_sto_dentry,
 +                      mode);


@@ -7117,9 +7081,9 @@ Index: linux-2.6.23/fs/mini_fo/state.c
 +}
 +
 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
 +}
 +
 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)

-+int create_sto_nod(dentry_t *dentry, int mode, dev_t dev) 
++int create_sto_nod(dentry_t *dentry, int mode, dev_t dev)

 +#else
 +#else

-+int create_sto_nod(dentry_t *dentry, int mode, int dev) 
++int create_sto_nod(dentry_t *dentry, int mode, int dev)

 +#endif
 +{
 +      int err = 0;
 +#endif
 +{
 +      int err = 0;


@@ -7136,11 +7100,11 @@ Index: linux-2.6.23/fs/mini_fo/state.c
 +      if (err) {
 +                printk(KERN_CRIT "mini_fo: create_sto_nod: ERROR getting neg. sto dentry.\n");
 +                goto out;
 +      if (err) {
 +                printk(KERN_CRIT "mini_fo: create_sto_nod: ERROR getting neg. sto dentry.\n");
 +                goto out;

-+        }     
++        }

 +
 +      dir = dentry->d_parent->d_inode;
 +      hidden_sto_dentry = dtohd2(dentry);
 +
 +      dir = dentry->d_parent->d_inode;
 +      hidden_sto_dentry = dtohd2(dentry);

-+      
++

 +      /* lock parent */
 +      hidden_sto_dir_dentry = dget(hidden_sto_dentry->d_parent);
 +
 +      /* lock parent */
 +      hidden_sto_dir_dentry = dget(hidden_sto_dentry->d_parent);
 +


@@ -7149,7 +7113,7 @@ Index: linux-2.6.23/fs/mini_fo/state.c
 +#else
 +      down(&hidden_sto_dir_dentry->d_inode->i_sem);
 +#endif
 +#else
 +      down(&hidden_sto_dir_dentry->d_inode->i_sem);
 +#endif

-+      
++

 +      err = PTR_ERR(hidden_sto_dir_dentry);
 +      if (IS_ERR(hidden_sto_dir_dentry))
 +              goto out;
 +      err = PTR_ERR(hidden_sto_dir_dentry);
 +      if (IS_ERR(hidden_sto_dir_dentry))
 +              goto out;


@@ -7202,7 +7166,7 @@ Index: linux-2.6.23/fs/mini_fo/state.c
 +}
 +
 +
 +}
 +
 +

-+/* unimplemented (and possibly not usefull): 
++/* unimplemented (and possibly not usefull):

 +
 +   nondir-del_to_del_rew
 +   nondir-non_exist_to_creat
 +
 +   nondir-del_to_del_rew
 +   nondir-non_exist_to_creat


@@ -7217,7 +7181,7 @@ Index: linux-2.6.23/fs/mini_fo/state.c
 +
 +
 +/* bring a file of any type from state UNMODIFIED to MODIFIED */
 +
 +
 +/* bring a file of any type from state UNMODIFIED to MODIFIED */

-+int nondir_unmod_to_mod(dentry_t *dentry, int cp_flag) 
++int nondir_unmod_to_mod(dentry_t *dentry, int cp_flag)

 +{
 +      int err = 0;
 +      struct vfsmount *tgt_mnt;
 +{
 +      int err = 0;
 +      struct vfsmount *tgt_mnt;


@@ -7243,7 +7207,7 @@ Index: linux-2.6.23/fs/mini_fo/state.c
 +                                  ERROR getting neg. sto dentry.\n");
 +              goto out;
 +      }
 +                                  ERROR getting neg. sto dentry.\n");
 +              goto out;
 +      }

-+      
++

 +      /* create sto file */
 +      hidden_sto_dentry = dtohd2(dentry);
 +
 +      /* create sto file */
 +      hidden_sto_dentry = dtohd2(dentry);
 +


@@ -7268,7 +7232,7 @@ Index: linux-2.6.23/fs/mini_fo/state.c
 +                              dtohd(dentry)->d_inode->i_mode,
 +                              dtohd(dentry)->d_inode->i_rdev);
 +      }
 +                              dtohd(dentry)->d_inode->i_mode,
 +                              dtohd(dentry)->d_inode->i_rdev);
 +      }

-+      
++

 +      else if(S_ISREG(dentry->d_inode->i_mode)) {
 +
 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
 +      else if(S_ISREG(dentry->d_inode->i_mode)) {
 +
 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)


@@ -7296,8 +7260,8 @@ Index: linux-2.6.23/fs/mini_fo/state.c
 +      }
 +
 +      itohi2(dentry->d_inode) = igrab(dtohd2(dentry)->d_inode);
 +      }
 +
 +      itohi2(dentry->d_inode) = igrab(dtohd2(dentry)->d_inode);

-+        
-+        fist_copy_attr_timesizes(dentry->d_parent->d_inode, 
++
++        fist_copy_attr_timesizes(dentry->d_parent->d_inode,

 +                               hidden_sto_dir_dentry->d_inode);
 +      dtost(dentry) = MODIFIED;
 +
 +                               hidden_sto_dir_dentry->d_inode);
 +      dtost(dentry) = MODIFIED;
 +


@@ -7317,14 +7281,14 @@ Index: linux-2.6.23/fs/mini_fo/state.c
 +              tgt_mnt = stopd(dentry->d_inode->i_sb)->hidden_mnt2;
 +              src_dentry = dtohd(dentry);
 +              src_mnt = stopd(dentry->d_inode->i_sb)->hidden_mnt;
 +              tgt_mnt = stopd(dentry->d_inode->i_sb)->hidden_mnt2;
 +              src_dentry = dtohd(dentry);
 +              src_mnt = stopd(dentry->d_inode->i_sb)->hidden_mnt;

-+              
-+              err = mini_fo_cp_cont(tgt_dentry, tgt_mnt, 
++
++              err = mini_fo_cp_cont(tgt_dentry, tgt_mnt,

 +                                    src_dentry, src_mnt);
 +              if(err) {
 +                      printk(KERN_CRIT "mini_fo: nondir_unmod_to_mod: \
 +                                          ERROR copying contents.\n");
 +              }
 +                                    src_dentry, src_mnt);
 +              if(err) {
 +                      printk(KERN_CRIT "mini_fo: nondir_unmod_to_mod: \
 +                                          ERROR copying contents.\n");
 +              }

-+              goto out;       
++              goto out;

 +      }
 +
 + out_lock:
 +      }
 +
 + out_lock:


@@ -7344,17 +7308,17 @@ Index: linux-2.6.23/fs/mini_fo/state.c
 +      return nondir_creat_to_del(dentry);
 +}
 +
 +      return nondir_creat_to_del(dentry);
 +}
 +

-+int nondir_creat_to_del(dentry_t *dentry) 
++int nondir_creat_to_del(dentry_t *dentry)

 +{
 +      int err = 0;
 +
 +      inode_t *hidden_sto_dir_inode;
 +      dentry_t *hidden_sto_dir_dentry;
 +      dentry_t *hidden_sto_dentry;
 +{
 +      int err = 0;
 +
 +      inode_t *hidden_sto_dir_inode;
 +      dentry_t *hidden_sto_dir_dentry;
 +      dentry_t *hidden_sto_dentry;

-+      
++

 +      check_mini_fo_dentry(dentry);
 +
 +      check_mini_fo_dentry(dentry);
 +

-+      /* for now this function serves for both state DEL_REWRITTEN and 
++      /* for now this function serves for both state DEL_REWRITTEN and

 +       * CREATED */
 +      if(!(dtost(dentry) == CREATED || (dtost(dentry) == DEL_REWRITTEN)) ||
 +         S_ISDIR(dentry->d_inode->i_mode)) {
 +       * CREATED */
 +      if(!(dtost(dentry) == CREATED || (dtost(dentry) == DEL_REWRITTEN)) ||
 +         S_ISDIR(dentry->d_inode->i_mode)) {


@@ -7363,10 +7327,10 @@ Index: linux-2.6.23/fs/mini_fo/state.c
 +              err = -1;
 +              goto out;
 +      }
 +              err = -1;
 +              goto out;
 +      }

-+      
++

 +      hidden_sto_dir_inode = itohi2(dentry->d_parent->d_inode);
 +      hidden_sto_dentry = dtohd2(dentry);
 +      hidden_sto_dir_inode = itohi2(dentry->d_parent->d_inode);
 +      hidden_sto_dentry = dtohd2(dentry);

-+      
++

 +      /* was: hidden_sto_dir_dentry = lock_parent(hidden_sto_dentry);*/
 +      hidden_sto_dir_dentry = dget(hidden_sto_dentry->d_parent);
 +
 +      /* was: hidden_sto_dir_dentry = lock_parent(hidden_sto_dentry);*/
 +      hidden_sto_dir_dentry = dget(hidden_sto_dentry->d_parent);
 +


@@ -7375,19 +7339,19 @@ Index: linux-2.6.23/fs/mini_fo/state.c
 +#else
 +      down(&hidden_sto_dir_dentry->d_inode->i_sem);
 +#endif
 +#else
 +      down(&hidden_sto_dir_dentry->d_inode->i_sem);
 +#endif

-+      
++

 +      /* avoid destroying the hidden inode if the file is in use */
 +      dget(hidden_sto_dentry);
 +      err = vfs_unlink(hidden_sto_dir_inode, hidden_sto_dentry);
 +      dput(hidden_sto_dentry);
 +      if(!err)
 +              d_delete(hidden_sto_dentry);
 +      /* avoid destroying the hidden inode if the file is in use */
 +      dget(hidden_sto_dentry);
 +      err = vfs_unlink(hidden_sto_dir_inode, hidden_sto_dentry);
 +      dput(hidden_sto_dentry);
 +      if(!err)
 +              d_delete(hidden_sto_dentry);

-+      
++

 +      /* propagate number of hard-links */
 +      dentry->d_inode->i_nlink = itohi2(dentry->d_inode)->i_nlink;
 +      /* propagate number of hard-links */
 +      dentry->d_inode->i_nlink = itohi2(dentry->d_inode)->i_nlink;

-+      
++

 +      dtost(dentry) = NON_EXISTANT;
 +      dtost(dentry) = NON_EXISTANT;

-+      
++

 +      /* was: unlock_dir(hidden_sto_dir_dentry); */
 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
 +      mutex_unlock(&hidden_sto_dir_dentry->d_inode->i_mutex);
 +      /* was: unlock_dir(hidden_sto_dir_dentry); */
 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
 +      mutex_unlock(&hidden_sto_dir_dentry->d_inode->i_mutex);


@@ -7395,7 +7359,7 @@ Index: linux-2.6.23/fs/mini_fo/state.c
 +      up(&hidden_sto_dir_dentry->d_inode->i_sem);
 +#endif
 +      dput(hidden_sto_dir_dentry);
 +      up(&hidden_sto_dir_dentry->d_inode->i_sem);
 +#endif
 +      dput(hidden_sto_dir_dentry);

-+      
++

 + out:
 +      return err;
 +}
 + out:
 +      return err;
 +}


@@ -7406,7 +7370,7 @@ Index: linux-2.6.23/fs/mini_fo/state.c
 +      dentry_t *hidden_sto_dentry;
 +      inode_t *hidden_sto_dir_inode;
 +      dentry_t *hidden_sto_dir_dentry;
 +      dentry_t *hidden_sto_dentry;
 +      inode_t *hidden_sto_dir_inode;
 +      dentry_t *hidden_sto_dir_dentry;

-+      
++

 +      check_mini_fo_dentry(dentry);
 +
 +      if(dtost(dentry) != MODIFIED ||
 +      check_mini_fo_dentry(dentry);
 +
 +      if(dtost(dentry) != MODIFIED ||


@@ -7419,7 +7383,7 @@ Index: linux-2.6.23/fs/mini_fo/state.c
 +
 +      hidden_sto_dir_inode = itohi2(dentry->d_parent->d_inode);
 +      hidden_sto_dentry = dtohd2(dentry);
 +
 +      hidden_sto_dir_inode = itohi2(dentry->d_parent->d_inode);
 +      hidden_sto_dentry = dtohd2(dentry);

-+      
++

 +      /* was hidden_sto_dir_dentry = lock_parent(hidden_sto_dentry); */
 +      hidden_sto_dir_dentry = dget(hidden_sto_dentry->d_parent);
 +
 +      /* was hidden_sto_dir_dentry = lock_parent(hidden_sto_dentry); */
 +      hidden_sto_dir_dentry = dget(hidden_sto_dentry->d_parent);
 +


@@ -7428,17 +7392,17 @@ Index: linux-2.6.23/fs/mini_fo/state.c
 +#else
 +      down(&hidden_sto_dir_dentry->d_inode->i_sem);
 +#endif
 +#else
 +      down(&hidden_sto_dir_dentry->d_inode->i_sem);
 +#endif

-+      
++

 +      /* avoid destroying the hidden inode if the file is in use */
 +      dget(hidden_sto_dentry);
 +      err = vfs_unlink(hidden_sto_dir_inode, hidden_sto_dentry);
 +      dput(hidden_sto_dentry);
 +      if(!err)
 +              d_delete(hidden_sto_dentry);
 +      /* avoid destroying the hidden inode if the file is in use */
 +      dget(hidden_sto_dentry);
 +      err = vfs_unlink(hidden_sto_dir_inode, hidden_sto_dentry);
 +      dput(hidden_sto_dentry);
 +      if(!err)
 +              d_delete(hidden_sto_dentry);

-+      
++

 +      /* propagate number of hard-links */
 +      dentry->d_inode->i_nlink = itohi2(dentry->d_inode)->i_nlink;
 +      /* propagate number of hard-links */
 +      dentry->d_inode->i_nlink = itohi2(dentry->d_inode)->i_nlink;

-+      
++

 +      /* dput base dentry, this will relase the inode and free the
 +       * dentry, as we will never need it again. */
 +      dput(dtohd(dentry));
 +      /* dput base dentry, this will relase the inode and free the
 +       * dentry, as we will never need it again. */
 +      dput(dtohd(dentry));


@@ -7446,10 +7410,10 @@ Index: linux-2.6.23/fs/mini_fo/state.c
 +      dtost(dentry) = DELETED;
 +
 +      /* add deleted file to META-file */
 +      dtost(dentry) = DELETED;
 +
 +      /* add deleted file to META-file */

-+      meta_add_d_entry(dentry->d_parent, 
-+                       dentry->d_name.name, 
++      meta_add_d_entry(dentry->d_parent,
++                       dentry->d_name.name,

 +                       dentry->d_name.len);
 +                       dentry->d_name.len);

-+      
++

 +      /* was: unlock_dir(hidden_sto_dir_dentry); */
 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
 +      mutex_unlock(&hidden_sto_dir_dentry->d_inode->i_mutex);
 +      /* was: unlock_dir(hidden_sto_dir_dentry); */
 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
 +      mutex_unlock(&hidden_sto_dir_dentry->d_inode->i_mutex);


@@ -7475,33 +7439,33 @@ Index: linux-2.6.23/fs/mini_fo/state.c
 +              err = -1;
 +              goto out;
 +      }
 +              err = -1;
 +              goto out;
 +      }

-+      
++

 +       /* next we have to get a negative dentry for the storage file */
 +      err = get_neg_sto_dentry(dentry);
 +
 +      if(err)
 +       /* next we have to get a negative dentry for the storage file */
 +      err = get_neg_sto_dentry(dentry);
 +
 +      if(err)

-+              goto out;               
++              goto out;

 +
 +      /* add deleted file to META lists */
 +
 +      /* add deleted file to META lists */

-+      err = meta_add_d_entry(dentry->d_parent, 
-+                             dentry->d_name.name, 
++      err = meta_add_d_entry(dentry->d_parent,
++                             dentry->d_name.name,

 +                             dentry->d_name.len);
 +
 +      if(err)
 +              goto out;
 +                             dentry->d_name.len);
 +
 +      if(err)
 +              goto out;

-+      
++

 +      /* dput base dentry, this will relase the inode and free the
 +       * dentry, as we will never need it again. */
 +      dput(dtohd(dentry));
 +      dtohd(dentry) = NULL;
 +      dtost(dentry) = DELETED;
 +      /* dput base dentry, this will relase the inode and free the
 +       * dentry, as we will never need it again. */
 +      dput(dtohd(dentry));
 +      dtohd(dentry) = NULL;
 +      dtost(dentry) = DELETED;

-+      
++

 + out:
 +      return err;
 +}
 +
 +/* bring a dir from state UNMODIFIED to MODIFIED */
 + out:
 +      return err;
 +}
 +
 +/* bring a dir from state UNMODIFIED to MODIFIED */

-+int dir_unmod_to_mod(dentry_t *dentry) 
++int dir_unmod_to_mod(dentry_t *dentry)

 +{
 +      int err;
 +
 +{
 +      int err;
 +


@@ -7526,10 +7490,8 @@ Index: linux-2.6.23/fs/mini_fo/state.c
 +      return err;
 +}
 +
 +      return err;
 +}
 +

-Index: linux-2.6.23/fs/mini_fo/super.c
-===================================================================
---- /dev/null  1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.23/fs/mini_fo/super.c    2007-10-10 13:53:23.000000000 +0800
+--- /dev/null
++++ b/fs/mini_fo/super.c

 @@ -0,0 +1,281 @@
 +/*
 + * Copyright (c) 1997-2003 Erez Zadok
 @@ -0,0 +1,281 @@
 +/*
 + * Copyright (c) 1997-2003 Erez Zadok


@@ -7556,7 +7518,7 @@ Index: linux-2.6.23/fs/mini_fo/super.c
 +
 +#ifdef HAVE_CONFIG_H
 +# include <config.h>
 +
 +#ifdef HAVE_CONFIG_H
 +# include <config.h>

-+#endif 
++#endif

 +
 +#include "fist.h"
 +#include "mini_fo.h"
 +
 +#include "fist.h"
 +#include "mini_fo.h"


@@ -7664,7 +7626,7 @@ Index: linux-2.6.23/fs/mini_fo/super.c
 +              mntput(stopd(sb)->hidden_mnt);
 +              mntput(stopd(sb)->hidden_mnt2);
 +
 +              mntput(stopd(sb)->hidden_mnt);
 +              mntput(stopd(sb)->hidden_mnt2);
 +

-+              /* mk: no! dput(stopd(sb)->base_dir_dentry); 
++              /* mk: no! dput(stopd(sb)->base_dir_dentry);

 +                 dput(stopd(sb)->storage_dir_dentry); */
 +
 +              kfree(stopd(sb));
 +                 dput(stopd(sb)->storage_dir_dentry); */
 +
 +              kfree(stopd(sb));