-diff -urN src/linux-dist/linux/Makefile src/linux/linux/Makefile
---- src/linux-dist/linux/Makefile 2003-10-14 03:00:10.000000000 -0500
-+++ src/linux/linux/Makefile 2004-03-29 17:00:53.000000000 -0600
+diff -Nurb src/linux/linux.orig/Makefile src/linux/linux/Makefile
+--- src/linux/linux.orig/Makefile 2003-10-14 04:00:10.000000000 -0400
++++ src/linux/linux/Makefile 2004-05-25 21:12:24.000000000 -0400
@@ -17,7 +17,7 @@
FINDHPATH = $(HPATH)/asm $(HPATH)/linux $(HPATH)/scsi $(HPATH)/net $(HPATH)/math-emu
-fno-strict-aliasing -fno-common
# Turn on -pg to instrument the kernel with calls to mcount().
-diff -urN src/linux-dist/linux/arch/mips/brcm-boards/bcm947xx/setup.c src/linux/linux/arch/mips/brcm-boards/bcm947xx/setup.c
---- src/linux-dist/linux/arch/mips/brcm-boards/bcm947xx/setup.c 2003-11-11 08:08:46.000000000 -0600
-+++ src/linux/linux/arch/mips/brcm-boards/bcm947xx/setup.c 2004-03-29 17:00:53.000000000 -0600
+diff -Nurb src/linux/linux.orig/arch/mips/brcm-boards/bcm947xx/setup.c src/linux/linux/arch/mips/brcm-boards/bcm947xx/setup.c
+--- src/linux/linux.orig/arch/mips/brcm-boards/bcm947xx/setup.c 2003-11-11 09:08:46.000000000 -0500
++++ src/linux/linux/arch/mips/brcm-boards/bcm947xx/setup.c 2004-05-25 21:12:24.000000000 -0400
@@ -27,6 +27,7 @@
#include <linux/ext2_fs.h>
#include <linux/romfs_fs.h>
mtd->name, off / BLOCK_SIZE);
- goto done;
- }
--
+
- /*
- * Read block 1 to test for minix and ext2 superblock
- */
- if (MTD_READ(mtd, off + BLOCK_SIZE, sizeof(buf), &len, buf) ||
- len != sizeof(buf))
- continue;
-
+-
- /* Try minix */
- if (minixsb->s_magic == MINIX_SUPER_MAGIC ||
- minixsb->s_magic == MINIX_SUPER_MAGIC2) {
return bcm947xx_parts;
}
-diff -urN src/linux-dist/linux/drivers/mtd/maps/bcm947xx-flash.c src/linux/linux/drivers/mtd/maps/bcm947xx-flash.c
---- src/linux-dist/linux/drivers/mtd/maps/bcm947xx-flash.c 2003-11-08 03:35:52.000000000 -0600
-+++ src/linux/linux/drivers/mtd/maps/bcm947xx-flash.c 2004-03-29 17:00:53.000000000 -0600
+diff -Nurb src/linux/linux.orig/drivers/mtd/maps/bcm947xx-flash.c src/linux/linux/drivers/mtd/maps/bcm947xx-flash.c
+--- src/linux/linux.orig/drivers/mtd/maps/bcm947xx-flash.c 2003-11-08 04:35:52.000000000 -0500
++++ src/linux/linux/drivers/mtd/maps/bcm947xx-flash.c 2004-05-25 21:12:24.000000000 -0400
@@ -82,7 +82,21 @@
void bcm947xx_map_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
}
void bcm947xx_map_write8(struct map_info *map, __u8 d, unsigned long adr)
-diff -urN src/linux-dist/linux/drivers/net/Makefile src/linux/linux/drivers/net/Makefile
---- src/linux-dist/linux/drivers/net/Makefile 2004-02-12 20:35:15.000000000 -0600
-+++ src/linux/linux/drivers/net/Makefile 2004-03-29 17:00:53.000000000 -0600
+diff -Nurb src/linux/linux.orig/drivers/net/Makefile src/linux/linux/drivers/net/Makefile
+--- src/linux/linux.orig/drivers/net/Makefile 2004-02-12 21:35:15.000000000 -0500
++++ src/linux/linux/drivers/net/Makefile 2004-05-25 21:12:24.000000000 -0400
@@ -25,7 +25,7 @@
list-multi := rcpci.o
rcpci-objs := rcpci45.o rclanmtl.o
subdir-m += diag
ifeq ($(CONFIG_HW_QOS),y)
-diff -urN src/linux-dist/linux/fs/Config.in src/linux/linux/fs/Config.in
---- src/linux-dist/linux/fs/Config.in 2003-07-04 03:12:05.000000000 -0500
-+++ src/linux/linux/fs/Config.in 2004-03-29 17:00:53.000000000 -0600
+diff -Nurb src/linux/linux.orig/fs/Config.in src/linux/linux/fs/Config.in
+--- src/linux/linux.orig/fs/Config.in 2003-07-04 04:12:05.000000000 -0400
++++ src/linux/linux/fs/Config.in 2004-05-25 21:13:03.000000000 -0400
@@ -47,6 +47,7 @@
int 'JFFS2 debugging verbosity (0 = quiet, 2 = noisy)' CONFIG_JFFS2_FS_DEBUG 0
fi
bool 'Virtual memory file system support (former shm fs)' CONFIG_TMPFS
define_bool CONFIG_RAMFS y
-diff -urN src/linux-dist/linux/fs/Makefile src/linux/linux/fs/Makefile
---- src/linux-dist/linux/fs/Makefile 2003-07-04 03:12:05.000000000 -0500
-+++ src/linux/linux/fs/Makefile 2004-03-29 17:00:53.000000000 -0600
+diff -Nurb src/linux/linux.orig/fs/Makefile src/linux/linux/fs/Makefile
+--- src/linux/linux.orig/fs/Makefile 2003-07-04 04:12:05.000000000 -0400
++++ src/linux/linux/fs/Makefile 2004-05-25 21:13:03.000000000 -0400
@@ -68,6 +68,7 @@
subdir-$(CONFIG_SUN_OPENPROMFS) += openpromfs
subdir-$(CONFIG_BEFS_FS) += befs
obj-$(CONFIG_BINFMT_AOUT) += binfmt_aout.o
-diff -urN src/linux-dist/linux/fs/squashfs/Makefile src/linux/linux/fs/squashfs/Makefile
---- src/linux-dist/linux/fs/squashfs/Makefile 1969-12-31 18:00:00.000000000 -0600
-+++ src/linux/linux/fs/squashfs/Makefile 2004-03-29 17:00:53.000000000 -0600
+diff -Nurb src/linux/linux.orig/fs/squashfs/Makefile src/linux/linux/fs/squashfs/Makefile
+--- src/linux/linux.orig/fs/squashfs/Makefile 1969-12-31 19:00:00.000000000 -0500
++++ src/linux/linux/fs/squashfs/Makefile 2004-05-25 21:13:03.000000000 -0400
@@ -0,0 +1,11 @@
+#
+# Makefile for the linux squashfs routines.
+obj-m := $(O_TARGET)
+
+include $(TOPDIR)/Rules.make
-diff -urN src/linux-dist/linux/fs/squashfs/inode.c src/linux/linux/fs/squashfs/inode.c
---- src/linux-dist/linux/fs/squashfs/inode.c 1969-12-31 18:00:00.000000000 -0600
-+++ src/linux/linux/fs/squashfs/inode.c 2004-03-29 17:00:53.000000000 -0600
-@@ -0,0 +1,972 @@
+diff -Nurb src/linux/linux.orig/fs/squashfs/inode.c src/linux/linux/fs/squashfs/inode.c
+--- src/linux/linux.orig/fs/squashfs/inode.c 1969-12-31 19:00:00.000000000 -0500
++++ src/linux/linux/fs/squashfs/inode.c 2004-05-25 21:13:03.000000000 -0400
+@@ -0,0 +1,1515 @@
+/*
+ * Squashfs - a compressed read only filesystem for Linux
+ *
-+ * Copyright (c) 2002 Phillip Lougher <phillip@lougher.demon.co.uk>
++ * Copyright (c) 2002, 2003, 2004 Phillip Lougher <plougher@users.sourceforge.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
-+ * as published by the Free Software Foundation; either version
-+ * 2 of the License, or (at your option) any later version.
++ * as published by the Free Software Foundation; either version 2,
++ * or (at your option) any later version.
++ *
++ * This program is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++ * GNU General Public License for more details.
++ *
++ * You should have received a copy of the GNU General Public License
++ * along with this program; if not, write to the Free Software
++ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
++ * Squashfs - a compressed read only filesystem for Linux
+ *
+ * inode.c
+ */
+
++#define SQUASHFS_1_0_COMPATIBILITY
++
+#include <linux/types.h>
+#include <linux/squashfs_fs.h>
+#include <linux/module.h>
+#include <asm/uaccess.h>
+#include <linux/wait.h>
+#include <asm/semaphore.h>
-+
+#include <linux/zlib.h>
+#include <linux/blkdev.h>
+#include <linux/vmalloc.h>
+static int squashfs_statfs(struct super_block *, struct statfs *);
+static int squashfs_symlink_readpage(struct file *file, struct page *page);
+static int squashfs_readpage(struct file *file, struct page *page);
++static int squashfs_readpage4K(struct file *file, struct page *page);
+static int squashfs_readdir(struct file *, void *, filldir_t);
+static struct dentry *squashfs_lookup(struct inode *, struct dentry *);
+static unsigned int read_data(struct super_block *s, char *buffer,
-+ unsigned int index, int length, unsigned int *next_index);
++ unsigned int index, unsigned int length, int, unsigned int *next_index);
+static int squashfs_get_cached_block(struct super_block *s, char *buffer,
+ unsigned int block, unsigned int offset, int length,
+ unsigned int *next_block, unsigned int *next_offset);
+static struct inode *squashfs_iget(struct super_block *s, squashfs_inode inode);
++static unsigned int read_blocklist(struct inode *inode, int index, int readahead_blks,
++ char *block_list, char **block_p, unsigned int *bsize);
+static void squashfs_put_super(struct super_block *s);
+
++#ifdef SQUASHFS_1_0_COMPATIBILITY
++static int squashfs_readpage_lessthan4K(struct file *file, struct page *page);
++static struct inode *squashfs_iget_1(struct super_block *s, squashfs_inode inode);
++static unsigned int read_blocklist_1(struct inode *inode, int index, int readahead_blks,
++ char *block_list, char **block_p, unsigned int *bsize);
++#endif
++
+DECLARE_MUTEX(read_data_mutex);
+
+static z_stream stream;
+ readpage: squashfs_readpage
+};
+
++static struct address_space_operations squashfs_aops_4K = {
++ readpage: squashfs_readpage4K
++};
++
++#ifdef SQUASHFS_1_0_COMPATIBILITY
++static struct address_space_operations squashfs_aops_lessthan4K = {
++ readpage: squashfs_readpage_lessthan4K
++};
++#endif
++
+static struct file_operations squashfs_dir_ops = {
+ read: generic_read_dir,
+ readdir: squashfs_readdir
+
+
+static unsigned int read_data(struct super_block *s, char *buffer,
-+ unsigned int index, int length, unsigned int *next_index)
++ unsigned int index, unsigned int length, int datablock, unsigned int *next_index)
+{
+ squashfs_sb_info *msBlk = &s->u.squashfs_sb;
+ struct buffer_head *bh[((SQUASHFS_FILE_MAX_SIZE - 1) >> msBlk->devblksize_log2) + 2];
-+ unsigned short c_byte;
+ unsigned int offset = index & ((1 << msBlk->devblksize_log2) - 1);
+ unsigned int cur_index = index >> msBlk->devblksize_log2;
+ int bytes, avail_bytes, b, k;
+ char *c_buffer;
+ unsigned int compressed;
++ unsigned int c_byte = length;
+
-+ if(!(bh[0] = sb_bread(s, cur_index)))
-+ goto read_failure;
++ if(c_byte) {
++ bytes = msBlk->devblksize - offset;
++ if(datablock) {
++ c_buffer = (compressed = SQUASHFS_COMPRESSED_BLOCK(c_byte)) ? msBlk->read_data : buffer;
++ c_byte = SQUASHFS_COMPRESSED_SIZE_BLOCK(c_byte);
++ } else {
++ c_buffer = (compressed = SQUASHFS_COMPRESSED(c_byte)) ? msBlk->read_data : buffer;
++ c_byte = SQUASHFS_COMPRESSED_SIZE(c_byte);
++ }
++
++ TRACE("Block @ 0x%x, %scompressed size %d\n", index, compressed ? "" : "un", (unsigned int) c_byte);
++
++ if(!(bh[0] = sb_getblk(s, cur_index)))
++ goto block_release;
++ for(b = 1; bytes < c_byte; b++) {
++ if(!(bh[b] = sb_getblk(s, ++cur_index)))
++ goto block_release;
++ bytes += msBlk->devblksize;
++ }
++ ll_rw_block(READ, b, bh);
++ } else {
++ unsigned short temp;
++ if(!(bh[0] = sb_bread(s, cur_index)))
++ goto read_failure;
+
-+ if(length)
-+ c_byte = length;
-+ else {
+ if(msBlk->devblksize - offset == 1) {
+ if(msBlk->swap)
-+ ((unsigned char *) &c_byte)[1] = *((unsigned char *) (bh[0]->b_data + offset));
++ ((unsigned char *) &temp)[1] = *((unsigned char *) (bh[0]->b_data + offset));
+ else
-+ ((unsigned char *) &c_byte)[0] = *((unsigned char *) (bh[0]->b_data + offset));
++ ((unsigned char *) &temp)[0] = *((unsigned char *) (bh[0]->b_data + offset));
+ brelse(bh[0]);
+ if(!(bh[0] = sb_bread(s, ++cur_index)))
+ goto read_failure;
+ if(msBlk->swap)
-+ ((unsigned char *) &c_byte)[0] = *((unsigned char *) bh[0]->b_data);
++ ((unsigned char *) &temp)[0] = *((unsigned char *) bh[0]->b_data);
+ else
-+ ((unsigned char *) &c_byte)[1] = *((unsigned char *) bh[0]->b_data);
++ ((unsigned char *) &temp)[1] = *((unsigned char *) bh[0]->b_data);
++ c_byte = temp;
+ offset = 1;
+ }
+ else {
+ if(msBlk->swap) {
-+ ((unsigned char *) &c_byte)[1] = *((unsigned char *) (bh[0]->b_data + offset));
-+ ((unsigned char *) &c_byte)[0] = *((unsigned char *) (bh[0]->b_data + offset + 1));
++ unsigned short temp;
++ ((unsigned char *) &temp)[1] = *((unsigned char *) (bh[0]->b_data + offset));
++ ((unsigned char *) &temp)[0] = *((unsigned char *) (bh[0]->b_data + offset + 1));
++ c_byte = temp;
+ } else
+ c_byte = *((unsigned short *) (bh[0]->b_data + offset));
+ offset += 2;
+ }
+ offset ++;
+ }
-+ }
+
-+ bytes = msBlk->devblksize - offset;
-+ c_buffer = (compressed = SQUASHFS_COMPRESSED(c_byte)) ? msBlk->read_data : buffer;
-+ c_byte = SQUASHFS_COMPRESSED_SIZE(c_byte);
++ bytes = msBlk->devblksize - offset;
++ if(datablock) {
++ c_buffer = (compressed = SQUASHFS_COMPRESSED_BLOCK(c_byte)) ? msBlk->read_data : buffer;
++ c_byte = SQUASHFS_COMPRESSED_SIZE_BLOCK(c_byte);
++ } else {
++ c_buffer = (compressed = SQUASHFS_COMPRESSED(c_byte)) ? msBlk->read_data : buffer;
++ c_byte = SQUASHFS_COMPRESSED_SIZE(c_byte);
++ }
+
-+ TRACE("Block @ 0x%x, %scompressed size %d\n", index, compressed ? "" : "un", (unsigned int) c_byte);
++ TRACE("Block @ 0x%x, %scompressed size %d\n", index, compressed ? "" : "un", (unsigned int) c_byte);
+
-+ for(b = 1; bytes < c_byte; b++) {
-+ if(!(bh[b] = sb_bread(s, ++cur_index)))
-+ goto block_release;
-+ bytes += msBlk->devblksize;
++ for(b = 1; bytes < c_byte; b++) {
++ if(!(bh[b] = sb_getblk(s, ++cur_index)))
++ goto block_release;
++ bytes += msBlk->devblksize;
++ }
++ ll_rw_block(READ, b - 1, bh + 1);
+ }
+
+ if(compressed)
+
+ for(bytes = 0, k = 0; k < b; k++) {
+ avail_bytes = (c_byte - bytes) > (msBlk->devblksize - offset) ? msBlk->devblksize - offset : c_byte - bytes;
++ wait_on_buffer(bh[k]);
+ memcpy(c_buffer + bytes, bh[k]->b_data + offset, avail_bytes);
+ bytes += avail_bytes;
+ offset = 0;
+
+ msBlk->block_cache[i].block = SQUASHFS_USED_BLK;
+ up(&msBlk->block_cache_mutex);
-+ if(!(msBlk->block_cache[i].length = read_data(s, msBlk->block_cache[i].data, block, 0,
++ if(!(msBlk->block_cache[i].length = read_data(s, msBlk->block_cache[i].data, block, 0, 0,
+ &next_index))) {
+ ERROR("Unable to read cache block [%x:%x]\n", block, offset);
+ return 0;
+}
+
+
-+static struct inode *squashfs_iget(struct super_block *s, squashfs_inode inode)
++static int get_fragment_location(struct super_block *s, unsigned int fragment, unsigned int *fragment_start_block, unsigned int *fragment_size)
++{
++ squashfs_sb_info *msBlk = &s->u.squashfs_sb;
++ unsigned int start_block = msBlk->fragment_index[SQUASHFS_FRAGMENT_INDEX(fragment)];
++ int offset = SQUASHFS_FRAGMENT_INDEX_OFFSET(fragment);
++ squashfs_fragment_entry fragment_entry;
++
++ if(msBlk->swap) {
++ squashfs_fragment_entry sfragment_entry;
++
++ if(!squashfs_get_cached_block(s, (char *) &sfragment_entry, start_block, offset,
++ sizeof(sfragment_entry), &start_block, &offset))
++ return 0;
++ SQUASHFS_SWAP_FRAGMENT_ENTRY(&fragment_entry, &sfragment_entry);
++ } else
++ if(!squashfs_get_cached_block(s, (char *) &fragment_entry, start_block, offset,
++ sizeof(fragment_entry), &start_block, &offset))
++ return 0;
++
++ *fragment_start_block = fragment_entry.start_block;
++ *fragment_size = fragment_entry.size;
++
++ return 1;
++}
++
++
++void release_cached_fragment(squashfs_sb_info *msBlk, struct squashfs_fragment_cache *fragment)
++{
++ down(&msBlk->fragment_mutex);
++ fragment->locked --;
++ wake_up(&msBlk->fragment_wait_queue);
++ up(&msBlk->fragment_mutex);
++}
++
++
++struct squashfs_fragment_cache *get_cached_fragment(struct super_block *s, unsigned int start_block, int length)
++{
++ int i, n;
++ squashfs_sb_info *msBlk = &s->u.squashfs_sb;
++
++ for(;;) {
++ down(&msBlk->fragment_mutex);
++ for(i = 0; i < SQUASHFS_CACHED_FRAGMENTS && msBlk->fragment[i].block != start_block; i++);
++ if(i == SQUASHFS_CACHED_FRAGMENTS) {
++ for(i = msBlk->next_fragment, n = SQUASHFS_CACHED_FRAGMENTS;
++ n && msBlk->fragment[i].locked; n--, i = (i + 1) % SQUASHFS_CACHED_FRAGMENTS);
++
++ if(n == 0) {
++ up(&msBlk->fragment_mutex);
++ sleep_on(&msBlk->fragment_wait_queue);
++ continue;
++ }
++ msBlk->next_fragment = (msBlk->next_fragment + 1) % SQUASHFS_CACHED_FRAGMENTS;
++
++ if(msBlk->fragment[i].data == NULL)
++ if(!(msBlk->fragment[i].data = (unsigned char *)
++ kmalloc(SQUASHFS_FILE_MAX_SIZE, GFP_KERNEL))) {
++ ERROR("Failed to allocate fragment cache block\n");
++ up(&msBlk->fragment_mutex);
++ return NULL;
++ }
++
++ msBlk->fragment[i].block = SQUASHFS_INVALID_BLK;
++ msBlk->fragment[i].locked = 1;
++ up(&msBlk->fragment_mutex);
++ if(!(msBlk->fragment[i].length = read_data(s, msBlk->fragment[i].data, start_block, length,
++ 1, NULL))) {
++ ERROR("Unable to read fragment cache block [%x]\n", start_block);
++ msBlk->fragment[i].locked = 0;
++ return NULL;
++ }
++ msBlk->fragment[i].block = start_block;
++ TRACE("New fragment %d, start block %d, locked %d\n", i, msBlk->fragment[i].block, msBlk->fragment[i].locked);
++ return &msBlk->fragment[i];
++ }
++
++ msBlk->fragment[i].locked ++;
++ up(&msBlk->fragment_mutex);
++
++ TRACE("Got fragment %d, start block %d, locked %d\n", i, msBlk->fragment[i].block, msBlk->fragment[i].locked);
++ return &msBlk->fragment[i];
++ }
++}
++
++
++#ifdef SQUASHFS_1_0_COMPATIBILITY
++static struct inode *squashfs_iget_1(struct super_block *s, squashfs_inode inode)
+{
+ struct inode *i = new_inode(s);
+ squashfs_sb_info *msBlk = &s->u.squashfs_sb;
+ unsigned int block = SQUASHFS_INODE_BLK(inode) + sBlk->inode_table_start;
+ unsigned int offset = SQUASHFS_INODE_OFFSET(inode);
+ unsigned int next_block, next_offset;
-+ squashfs_base_inode_header inodeb;
++ squashfs_base_inode_header_1 inodeb;
+
-+ TRACE("Entered squashfs_iget\n");
++ TRACE("Entered squashfs_iget_1\n");
+
+ if(msBlk->swap) {
-+ squashfs_base_inode_header sinodeb;
++ squashfs_base_inode_header_1 sinodeb;
+
+ if(!squashfs_get_cached_block(s, (char *) &sinodeb, block, offset,
+ sizeof(sinodeb), &next_block, &next_offset))
+ goto failed_read;
-+ SQUASHFS_SWAP_BASE_INODE_HEADER(&inodeb, &sinodeb, sizeof(sinodeb));
++ SQUASHFS_SWAP_BASE_INODE_HEADER_1(&inodeb, &sinodeb, sizeof(sinodeb));
+ } else
+ if(!squashfs_get_cached_block(s, (char *) &inodeb, block, offset,
+ sizeof(inodeb), &next_block, &next_offset))
+
+ switch(inodeb.inode_type == SQUASHFS_IPC_TYPE ? SQUASHFS_IPC_TYPE : (inodeb.inode_type - 1) % SQUASHFS_TYPES + 1) {
+ case SQUASHFS_FILE_TYPE: {
-+ squashfs_reg_inode_header inodep;
++ squashfs_reg_inode_header_1 inodep;
+
+ if(msBlk->swap) {
-+ squashfs_reg_inode_header sinodep;
++ squashfs_reg_inode_header_1 sinodep;
+
+ if(!squashfs_get_cached_block(s, (char *) &sinodep, block, offset, sizeof(sinodep),
+ &next_block, &next_offset))
+ goto failed_read;
-+ SQUASHFS_SWAP_REG_INODE_HEADER(&inodep, &sinodep);
++ SQUASHFS_SWAP_REG_INODE_HEADER_1(&inodep, &sinodep);
+ } else
+ if(!squashfs_get_cached_block(s, (char *) &inodep, block, offset, sizeof(inodep),
+ &next_block, &next_offset))
+
+ i->i_size = inodep.file_size;
+ i->i_fop = &generic_ro_fops;
-+ i->i_data.a_ops = &squashfs_aops;
++ if(sBlk->block_size > 4096)
++ i->i_data.a_ops = &squashfs_aops;
++ else if(sBlk->block_size == 4096)
++ i->i_data.a_ops = &squashfs_aops_4K;
++ else
++ i->i_data.a_ops = &squashfs_aops_lessthan4K;
+ i->i_mode |= S_IFREG;
+ i->i_mtime = inodep.mtime;
+ i->i_atime = inodep.mtime;
+ i->i_ctime = inodep.mtime;
+ i->i_blocks = ((i->i_size - 1) >> 9) + 1;
+ i->i_blksize = PAGE_CACHE_SIZE;
++ i->u.squashfs_i.fragment_start_block = SQUASHFS_INVALID_BLK;
++ i->u.squashfs_i.fragment_offset = 0;
+ i->u.squashfs_i.start_block = inodep.start_block;
+ i->u.squashfs_i.block_list_start = next_block;
+ i->u.squashfs_i.offset = next_offset;
+ break;
+ }
+ case SQUASHFS_DIR_TYPE: {
-+ squashfs_dir_inode_header inodep;
++ squashfs_dir_inode_header_1 inodep;
+
+ if(msBlk->swap) {
-+ squashfs_dir_inode_header sinodep;
++ squashfs_dir_inode_header_1 sinodep;
+
+ if(!squashfs_get_cached_block(s, (char *) &sinodep, block, offset, sizeof(sinodep),
+ &next_block, &next_offset))
+ goto failed_read;
-+ SQUASHFS_SWAP_DIR_INODE_HEADER(&inodep, &sinodep);
++ SQUASHFS_SWAP_DIR_INODE_HEADER_1(&inodep, &sinodep);
+ } else
+ if(!squashfs_get_cached_block(s, (char *) &inodep, block, offset, sizeof(inodep),
+ &next_block, &next_offset))
+ break;
+ }
+ case SQUASHFS_SYMLINK_TYPE: {
-+ squashfs_symlink_inode_header inodep;
++ squashfs_symlink_inode_header_1 inodep;
+
+ if(msBlk->swap) {
-+ squashfs_symlink_inode_header sinodep;
++ squashfs_symlink_inode_header_1 sinodep;
+
+ if(!squashfs_get_cached_block(s, (char *) &sinodep, block, offset, sizeof(sinodep),
+ &next_block, &next_offset))
+ goto failed_read;
-+ SQUASHFS_SWAP_SYMLINK_INODE_HEADER(&inodep, &sinodep);
++ SQUASHFS_SWAP_SYMLINK_INODE_HEADER_1(&inodep, &sinodep);
+ } else
+ if(!squashfs_get_cached_block(s, (char *) &inodep, block, offset, sizeof(inodep),
+ &next_block, &next_offset))
+ }
+ case SQUASHFS_BLKDEV_TYPE:
+ case SQUASHFS_CHRDEV_TYPE: {
-+ squashfs_dev_inode_header inodep;
++ squashfs_dev_inode_header_1 inodep;
+
+ if(msBlk->swap) {
-+ squashfs_dev_inode_header sinodep;
++ squashfs_dev_inode_header_1 sinodep;
+
+ if(!squashfs_get_cached_block(s, (char *) &sinodep, block, offset, sizeof(sinodep),
+ &next_block, &next_offset))
+ goto failed_read;
-+ SQUASHFS_SWAP_DEV_INODE_HEADER(&inodep, &sinodep);
++ SQUASHFS_SWAP_DEV_INODE_HEADER_1(&inodep, &sinodep);
+ } else
+ if(!squashfs_get_cached_block(s, (char *) &inodep, block, offset, sizeof(inodep),
+ &next_block, &next_offset))
+ break;
+ }
+ case SQUASHFS_IPC_TYPE: {
-+ squashfs_ipc_inode_header inodep;
++ squashfs_ipc_inode_header_1 inodep;
+
+ if(msBlk->swap) {
-+ squashfs_ipc_inode_header sinodep;
++ squashfs_ipc_inode_header_1 sinodep;
+
+ if(!squashfs_get_cached_block(s, (char *) &sinodep, block, offset, sizeof(sinodep),
+ &next_block, &next_offset))
+ goto failed_read;
-+ SQUASHFS_SWAP_IPC_INODE_HEADER(&inodep, &sinodep);
++ SQUASHFS_SWAP_IPC_INODE_HEADER_1(&inodep, &sinodep);
+ } else
+ if(!squashfs_get_cached_block(s, (char *) &inodep, block, offset, sizeof(inodep),
+ &next_block, &next_offset))
+failed_read1:
+ return NULL;
+}
++#endif
++
++
++static struct inode *squashfs_iget(struct super_block *s, squashfs_inode inode)
++{
++ struct inode *i = new_inode(s);
++ squashfs_sb_info *msBlk = &s->u.squashfs_sb;
++ squashfs_super_block *sBlk = &msBlk->sBlk;
++ unsigned int block = SQUASHFS_INODE_BLK(inode) + sBlk->inode_table_start;
++ unsigned int offset = SQUASHFS_INODE_OFFSET(inode);
++ unsigned int next_block, next_offset;
++ squashfs_base_inode_header inodeb;
++
++ TRACE("Entered squashfs_iget\n");
++
++ if(msBlk->swap) {
++ squashfs_base_inode_header sinodeb;
++
++ if(!squashfs_get_cached_block(s, (char *) &sinodeb, block, offset,
++ sizeof(sinodeb), &next_block, &next_offset))
++ goto failed_read;
++ SQUASHFS_SWAP_BASE_INODE_HEADER(&inodeb, &sinodeb, sizeof(sinodeb));
++ } else
++ if(!squashfs_get_cached_block(s, (char *) &inodeb, block, offset,
++ sizeof(inodeb), &next_block, &next_offset))
++ goto failed_read;
++
++ i->i_nlink = 1;
++
++ i->i_mtime = sBlk->mkfs_time;
++ i->i_atime = sBlk->mkfs_time;
++ i->i_ctime = sBlk->mkfs_time;
++
++ if(inodeb.inode_type != SQUASHFS_IPC_TYPE)
++ i->i_uid = msBlk->uid[((inodeb.inode_type - 1) / SQUASHFS_TYPES) * 16 + inodeb.uid];
++ i->i_ino = SQUASHFS_MK_VFS_INODE(block - sBlk->inode_table_start, offset);
++
++ i->i_mode = inodeb.mode;
++
++ switch(inodeb.inode_type) {
++ case SQUASHFS_FILE_TYPE: {
++ squashfs_reg_inode_header inodep;
++
++ if(msBlk->swap) {
++ squashfs_reg_inode_header sinodep;
++
++ if(!squashfs_get_cached_block(s, (char *) &sinodep, block, offset, sizeof(sinodep),
++ &next_block, &next_offset))
++ goto failed_read;
++ SQUASHFS_SWAP_REG_INODE_HEADER(&inodep, &sinodep);
++ } else
++ if(!squashfs_get_cached_block(s, (char *) &inodep, block, offset, sizeof(inodep),
++ &next_block, &next_offset))
++ goto failed_read;
++
++ i->u.squashfs_i.fragment_start_block = SQUASHFS_INVALID_BLK;
++ if(inodep.fragment != SQUASHFS_INVALID_BLK && !get_fragment_location(s, inodep.fragment,
++ &i->u.squashfs_i.fragment_start_block, &i->u.squashfs_i.fragment_size))
++ goto failed_read;
++
++ i->u.squashfs_i.fragment_offset = inodep.offset;
++ i->i_size = inodep.file_size;
++ i->i_fop = &generic_ro_fops;
++ if(sBlk->block_size > 4096)
++ i->i_data.a_ops = &squashfs_aops;
++ else
++ i->i_data.a_ops = &squashfs_aops_4K;
++ i->i_mode |= S_IFREG;
++ i->i_mtime = inodep.mtime;
++ i->i_atime = inodep.mtime;
++ i->i_ctime = inodep.mtime;
++ i->i_blocks = ((i->i_size - 1) >> 9) + 1;
++ i->i_blksize = PAGE_CACHE_SIZE;
++ i->u.squashfs_i.start_block = inodep.start_block;
++ i->u.squashfs_i.block_list_start = next_block;
++ i->u.squashfs_i.offset = next_offset;
++ TRACE("File inode %x:%x, start_block %x, block_list_start %x, offset %x fragment_index %x fragment_offset %x\n",
++ SQUASHFS_INODE_BLK(inode), offset, inodep.start_block, next_block, next_offset, inodep.fragment, inodep.offset);
++ break;
++ }
++ case SQUASHFS_DIR_TYPE: {
++ squashfs_dir_inode_header inodep;
++
++ if(msBlk->swap) {
++ squashfs_dir_inode_header sinodep;
++
++ if(!squashfs_get_cached_block(s, (char *) &sinodep, block, offset, sizeof(sinodep),
++ &next_block, &next_offset))
++ goto failed_read;
++ SQUASHFS_SWAP_DIR_INODE_HEADER(&inodep, &sinodep);
++ } else
++ if(!squashfs_get_cached_block(s, (char *) &inodep, block, offset, sizeof(inodep),
++ &next_block, &next_offset))
++ goto failed_read;
++
++ i->i_size = inodep.file_size;
++ i->i_op = &squashfs_dir_inode_ops;
++ i->i_fop = &squashfs_dir_ops;
++ i->i_mode |= S_IFDIR;
++ i->i_mtime = inodep.mtime;
++ i->i_atime = inodep.mtime;
++ i->i_ctime = inodep.mtime;
++ i->u.squashfs_i.start_block = inodep.start_block;
++ i->u.squashfs_i.offset = inodep.offset;
++ TRACE("Directory inode %x:%x, start_block %x, offset %x\n", SQUASHFS_INODE_BLK(inode), offset,
++ inodep.start_block, inodep.offset);
++ break;
++ }
++ case SQUASHFS_SYMLINK_TYPE: {
++ squashfs_symlink_inode_header inodep;
++
++ if(msBlk->swap) {
++ squashfs_symlink_inode_header sinodep;
++
++ if(!squashfs_get_cached_block(s, (char *) &sinodep, block, offset, sizeof(sinodep),
++ &next_block, &next_offset))
++ goto failed_read;
++ SQUASHFS_SWAP_SYMLINK_INODE_HEADER(&inodep, &sinodep);
++ } else
++ if(!squashfs_get_cached_block(s, (char *) &inodep, block, offset, sizeof(inodep),
++ &next_block, &next_offset))
++ goto failed_read;
++
++ i->i_size = inodep.symlink_size;
++ i->i_op = &page_symlink_inode_operations;
++ i->i_data.a_ops = &squashfs_symlink_aops;
++ i->i_mode |= S_IFLNK;
++ i->u.squashfs_i.start_block = next_block;
++ i->u.squashfs_i.offset = next_offset;
++ TRACE("Symbolic link inode %x:%x, start_block %x, offset %x\n",
++ SQUASHFS_INODE_BLK(inode), offset, next_block, next_offset);
++ break;
++ }
++ case SQUASHFS_BLKDEV_TYPE:
++ case SQUASHFS_CHRDEV_TYPE: {
++ squashfs_dev_inode_header inodep;
++
++ if(msBlk->swap) {
++ squashfs_dev_inode_header sinodep;
++
++ if(!squashfs_get_cached_block(s, (char *) &sinodep, block, offset, sizeof(sinodep),
++ &next_block, &next_offset))
++ goto failed_read;
++ SQUASHFS_SWAP_DEV_INODE_HEADER(&inodep, &sinodep);
++ } else
++ if(!squashfs_get_cached_block(s, (char *) &inodep, block, offset, sizeof(inodep),
++ &next_block, &next_offset))
++ goto failed_read;
++
++ i->i_size = 0;
++ i->i_mode |= (inodeb.inode_type == SQUASHFS_CHRDEV_TYPE) ? S_IFCHR : S_IFBLK;
++ init_special_inode(i, i->i_mode, inodep.rdev);
++ TRACE("Device inode %x:%x, rdev %x\n", SQUASHFS_INODE_BLK(inode), offset, inodep.rdev);
++ break;
++ }
++ case SQUASHFS_FIFO_TYPE:
++ case SQUASHFS_SOCKET_TYPE: {
++ i->i_size = 0;
++ i->i_mode |= (inodeb.inode_type == SQUASHFS_FIFO_TYPE) ? S_IFIFO : S_IFSOCK;
++ init_special_inode(i, i->i_mode, 0);
++ break;
++ }
++ default:
++ ERROR("Unknown inode type %d in squashfs_iget!\n", inodeb.inode_type);
++ goto failed_read1;
++ }
++
++ if(inodeb.guid == SQUASHFS_GUIDS)
++ i->i_gid = i->i_uid;
++ else
++ i->i_gid = msBlk->guid[inodeb.guid];
++
++ return i;
++
++failed_read:
++ ERROR("Unable to read inode [%x:%x]\n", block, offset);
++
++failed_read1:
++ return NULL;
++}
+
+
+static struct super_block *squashfs_read_super(struct super_block *s,
+
+ init_MUTEX(&msBlk->read_page_mutex);
+ init_MUTEX(&msBlk->block_cache_mutex);
++ init_MUTEX(&msBlk->fragment_mutex);
+
+ init_waitqueue_head(&msBlk->waitq);
++ init_waitqueue_head(&msBlk->fragment_wait_queue);
+
-+ if(!read_data(s, (char *) sBlk, SQUASHFS_START, sizeof(squashfs_super_block) | SQUASHFS_COMPRESSED_BIT, NULL)) {
++ if(!read_data(s, (char *) sBlk, SQUASHFS_START, sizeof(squashfs_super_block) | SQUASHFS_COMPRESSED_BIT, 0, NULL)) {
+ SERROR("unable to read superblock\n");
+ goto failed_mount;
+ }
+ }
+
+ /* Check the MAJOR & MINOR versions */
++#ifdef SQUASHFS_1_0_COMPATIBILITY
++ if((sBlk->s_major != 1) && (sBlk->s_major != 2 || sBlk->s_minor > SQUASHFS_MINOR)) {
++ SERROR("Major/Minor mismatch, filesystem is (%d:%d), I support (1 : x) or (2 : <= %d)\n",
++ sBlk->s_major, sBlk->s_minor, SQUASHFS_MINOR);
++ goto failed_mount;
++ }
++ if(sBlk->s_major == 1)
++ sBlk->block_size = sBlk->block_size_1;
++#else
+ if(sBlk->s_major != SQUASHFS_MAJOR || sBlk->s_minor > SQUASHFS_MINOR) {
+ SERROR("Major/Minor mismatch, filesystem is (%d:%d), I support (%d: <= %d)\n",
+ sBlk->s_major, sBlk->s_minor, SQUASHFS_MAJOR, SQUASHFS_MINOR);
+ goto failed_mount;
+ }
++#endif
+
+ TRACE("Found valid superblock on %s\n", bdevname(dev));
+ TRACE("Inodes are %scompressed\n", SQUASHFS_UNCOMPRESSED_INODES(sBlk->flags) ? "un" : "");
+ TRACE("Filesystem size %d bytes\n", sBlk->bytes_used);
+ TRACE("Block size %d\n", sBlk->block_size);
+ TRACE("Number of inodes %d\n", sBlk->inodes);
++ if(sBlk->s_major > 1)
++ TRACE("Number of fragments %d\n", sBlk->fragments);
+ TRACE("Number of uids %d\n", sBlk->no_uids);
+ TRACE("Number of gids %d\n", sBlk->no_guids);
+ TRACE("sBlk->inode_table_start %x\n", sBlk->inode_table_start);
+ TRACE("sBlk->directory_table_start %x\n", sBlk->directory_table_start);
++ if(sBlk->s_major > 1)
++ TRACE("sBlk->fragment_table_start %x\n", sBlk->fragment_table_start);
+ TRACE("sBlk->uid_start %x\n", sBlk->uid_start);
+
+ s->s_flags |= MS_RDONLY;
+ squashfs_uid suid[sBlk->no_uids + sBlk->no_guids];
+
+ if(!read_data(s, (char *) &suid, sBlk->uid_start, ((sBlk->no_uids + sBlk->no_guids) *
-+ sizeof(squashfs_uid)) | SQUASHFS_COMPRESSED_BIT, NULL)) {
++ sizeof(squashfs_uid)) | SQUASHFS_COMPRESSED_BIT, 0, NULL)) {
+ SERROR("unable to read uid/gid table\n");
+ goto failed_mount4;
+ }
+ SQUASHFS_SWAP_DATA(msBlk->uid, suid, (sBlk->no_uids + sBlk->no_guids), (sizeof(squashfs_uid) * 8));
+ } else
+ if(!read_data(s, (char *) msBlk->uid, sBlk->uid_start, ((sBlk->no_uids + sBlk->no_guids) *
-+ sizeof(squashfs_uid)) | SQUASHFS_COMPRESSED_BIT, NULL)) {
++ sizeof(squashfs_uid)) | SQUASHFS_COMPRESSED_BIT, 0, NULL)) {
+ SERROR("unable to read uid/gid table\n");
+ goto failed_mount4;
+ }
+
-+ if(!(s->s_root = d_alloc_root(squashfs_iget(s, sBlk->root_inode)))) {
-+ ERROR("Root inode create failed\n");
++
++#ifdef SQUASHFS_1_0_COMPATIBILITY
++ if(sBlk->s_major == 1) {
++ msBlk->iget = squashfs_iget_1;
++ msBlk->read_blocklist = read_blocklist_1;
++ msBlk->fragment = (struct squashfs_fragment_cache *) msBlk->fragment_index = NULL;
++ goto allocate_root;
++ }
++#endif
++ msBlk->iget = squashfs_iget;
++ msBlk->read_blocklist = read_blocklist;
++
++ if(!(msBlk->fragment = (struct squashfs_fragment_cache *) kmalloc(sizeof(struct squashfs_fragment_cache) * SQUASHFS_CACHED_FRAGMENTS, GFP_KERNEL))) {
++ ERROR("Failed to allocate fragment block cache\n");
+ goto failed_mount4;
+ }
+
-+ TRACE("Leaving squashfs_read_super\n");
++ for(i = 0; i < SQUASHFS_CACHED_FRAGMENTS; i++) {
++ msBlk->fragment[i].locked = 0;
++ msBlk->fragment[i].block = SQUASHFS_INVALID_BLK;
++ msBlk->fragment[i].data = NULL;
++ }
++
++ msBlk->next_fragment = 0;
++
++ /* Allocate fragment index table */
++ if(!(msBlk->fragment_index = (squashfs_fragment_index *) kmalloc(SQUASHFS_FRAGMENT_INDEX_BYTES(sBlk->fragments), GFP_KERNEL))) {
++ ERROR("Failed to allocate uid/gid table\n");
++ goto failed_mount5;
++ }
++
++ if(SQUASHFS_FRAGMENT_INDEX_BYTES(sBlk->fragments) &&
++ !read_data(s, (char *) msBlk->fragment_index, sBlk->fragment_table_start,
++ SQUASHFS_FRAGMENT_INDEX_BYTES(sBlk->fragments) | SQUASHFS_COMPRESSED_BIT, 0, NULL)) {
++ SERROR("unable to read fragment index table\n");
++ goto failed_mount6;
++ }
++
++ if(msBlk->swap) {
++ int i;
++ squashfs_fragment_index fragment;
++
++ for(i = 0; i < SQUASHFS_FRAGMENT_INDEXES(sBlk->fragments); i++) {
++ SQUASHFS_SWAP_FRAGMENT_INDEXES((&fragment), &msBlk->fragment_index[i], 1);
++ msBlk->fragment_index[i] = fragment;
++ }
++ }
++
++#ifdef SQUASHFS_1_0_COMPATIBILITY
++allocate_root:
++#endif
++ if(!(s->s_root = d_alloc_root((msBlk->iget)(s, sBlk->root_inode)))) {
++ ERROR("Root inode create failed\n");
++ goto failed_mount5;
++ }
++
++ TRACE("Leaving squashfs_read_super\n");
+ return s;
+
++failed_mount6:
++ kfree(msBlk->fragment_index);
++failed_mount5:
++ kfree(msBlk->fragment);
+failed_mount4:
+ kfree(msBlk->uid);
+failed_mount3:
+ int index = page->index << PAGE_CACHE_SHIFT, length, bytes;
+ int block = inode->u.squashfs_i.start_block;
+ int offset = inode->u.squashfs_i.offset;
++ void *pageaddr = kmap(page);
+
-+ TRACE("Entered squashfs_symlink_readpage, page index %d, start block %x, offset %x\n",
-+ page->index, inode->u.squashfs_i.start_block, inode->u.squashfs_i.offset);
++ TRACE("Entered squashfs_symlink_readpage, page index %x, start block %x, offset %x\n",
++ (unsigned int) page->index, inode->u.squashfs_i.start_block, inode->u.squashfs_i.offset);
+
+ for(length = 0; length < index; length += bytes) {
+ if(!(bytes = squashfs_get_cached_block(inode->i_sb, NULL, block, offset,
+
+ if(length != index) {
+ ERROR("(squashfs_symlink_readpage) length != index\n");
-+ return 0;
++ bytes = 0;
++ goto skip_read;
+ }
+
+ bytes = (inode->i_size - length) > PAGE_CACHE_SIZE ? PAGE_CACHE_SIZE : inode->i_size - length;
-+ if(!(bytes = squashfs_get_cached_block(inode->i_sb, page_address(page), block, offset, bytes, &block, &offset)))
++ if(!(bytes = squashfs_get_cached_block(inode->i_sb, pageaddr, block, offset, bytes, &block, &offset)))
+ ERROR("Unable to read symbolic link [%x:%x]\n", block, offset);
+
+skip_read:
-+ memset(page_address(page) + bytes, 0, PAGE_CACHE_SIZE - bytes);
++ memset(pageaddr + bytes, 0, PAGE_CACHE_SIZE - bytes);
++ kunmap(page);
+ flush_dcache_page(page);
+ SetPageUptodate(page);
+ UnlockPage(page);
+
+
+#define SIZE 256
-+static int squashfs_readpage(struct file *file, struct page *page)
++
++#ifdef SQUASHFS_1_0_COMPATIBILITY
++static unsigned int read_blocklist_1(struct inode *inode, int index, int readahead_blks,
++ char *block_list, char **block_p, unsigned int *bsize)
+{
-+ struct inode *inode = page->mapping->host;
+ squashfs_sb_info *msBlk = &inode->i_sb->u.squashfs_sb;
-+ squashfs_super_block *sBlk = &msBlk->sBlk;
-+ unsigned char block_list[SIZE];
+ unsigned short *block_listp;
-+ int index = sBlk->block_log > PAGE_CACHE_SHIFT ?
-+ page->index >> (sBlk->block_log - PAGE_CACHE_SHIFT) :
-+ page->index << (PAGE_CACHE_SHIFT - sBlk->block_log);
-+ int block = inode->u.squashfs_i.start_block, i = 0;
-+ int bytes = 0, block_ptr = inode->u.squashfs_i.block_list_start;
++ int i = 0;
++ int block_ptr = inode->u.squashfs_i.block_list_start;
+ int offset = inode->u.squashfs_i.offset;
-+ int file_blocks = ((inode->i_size - 1) >> sBlk->block_log) + 1;
-+ int readahead_blks = sBlk->block_log >= PAGE_CACHE_SHIFT ? 1 : 1 << (PAGE_CACHE_SHIFT - sBlk->block_log);
-+
-+ TRACE("Entered squashfs_readpage, page index %d, start block %x\n", page->index,
-+ inode->u.squashfs_i.start_block);
-+
-+ if(index > file_blocks)
-+ goto skip_read;
++ int block = inode->u.squashfs_i.start_block;
+
+ for(;;) {
+ int blocks = (index + readahead_blks - i);
+ unsigned char sblock_list[SIZE];
+ if(!squashfs_get_cached_block(inode->i_sb, (char *) sblock_list, block_ptr, offset, blocks << 1, &block_ptr, &offset)) {
+ ERROR("Unable to read block list [%d:%x]\n", block_ptr, offset);
-+ goto skip_read;
++ return 0;
+ }
+ SQUASHFS_SWAP_SHORTS(((unsigned short *)block_list), ((unsigned short *)sblock_list), blocks);
+ } else
+ if(!squashfs_get_cached_block(inode->i_sb, (char *) block_list, block_ptr, offset, blocks << 1, &block_ptr, &offset)) {
+ ERROR("Unable to read block list [%d:%x]\n", block_ptr, offset);
-+ goto skip_read;
++ return 0;
+ }
+ for(block_listp = (unsigned short *) block_list; i < index && blocks; i ++, block_listp ++, blocks --)
+ block += SQUASHFS_COMPRESSED_SIZE(*block_listp);
+ break;
+ }
+
-+ if(sBlk->block_log > PAGE_CACHE_SHIFT) {
-+ int mask = (1 << (sBlk->block_log - PAGE_CACHE_SHIFT)) - 1;
-+ int start_index = page->index & ~mask;
-+ int end_index = start_index | mask;
-+ int byte_offset = 0;
++ if(bsize)
++ *bsize = SQUASHFS_COMPRESSED_SIZE(*block_listp) | (!SQUASHFS_COMPRESSED(*block_listp) ? SQUASHFS_COMPRESSED_BIT_BLOCK : 0);
++ else
++ (unsigned short *) *block_p = block_listp;
++ return block;
++}
++#endif
++
++
++
++static unsigned int read_blocklist(struct inode *inode, int index, int readahead_blks,
++ char *block_list, char **block_p, unsigned int *bsize)
++{
++ squashfs_sb_info *msBlk = &inode->i_sb->u.squashfs_sb;
++ unsigned int *block_listp;
++ int i = 0;
++ int block_ptr = inode->u.squashfs_i.block_list_start;
++ int offset = inode->u.squashfs_i.offset;
++ int block = inode->u.squashfs_i.start_block;
++
++ for(;;) {
++ int blocks = (index + readahead_blks - i);
++ if(blocks > (SIZE >> 2)) {
++ if((index - i) <= (SIZE >> 2))
++ blocks = index - i;
++ else
++ blocks = SIZE >> 2;
++ }
++
++ if(msBlk->swap) {
++ unsigned char sblock_list[SIZE];
++ if(!squashfs_get_cached_block(inode->i_sb, (char *) sblock_list, block_ptr, offset, blocks << 2, &block_ptr, &offset)) {
++ ERROR("Unable to read block list [%d:%x]\n", block_ptr, offset);
++ return 0;
++ }
++ SQUASHFS_SWAP_INTS(((unsigned int *)block_list), ((unsigned int *)sblock_list), blocks);
++ } else
++ if(!squashfs_get_cached_block(inode->i_sb, (char *) block_list, block_ptr, offset, blocks << 2, &block_ptr, &offset)) {
++ ERROR("Unable to read block list [%d:%x]\n", block_ptr, offset);
++ return 0;
++ }
++ for(block_listp = (unsigned int *) block_list; i < index && blocks; i ++, block_listp ++, blocks --)
++ block += SQUASHFS_COMPRESSED_SIZE_BLOCK(*block_listp);
++ if(blocks >= readahead_blks)
++ break;
++ }
++
++ *bsize = *block_listp;
++ return block;
++}
++
++
++static int squashfs_readpage(struct file *file, struct page *page)
++{
++ struct inode *inode = page->mapping->host;
++ squashfs_sb_info *msBlk = &inode->i_sb->u.squashfs_sb;
++ squashfs_super_block *sBlk = &msBlk->sBlk;
++ unsigned char block_list[SIZE];
++ unsigned int bsize, block, i = 0, bytes = 0, byte_offset = 0;
++ int index = page->index >> (sBlk->block_log - PAGE_CACHE_SHIFT);
++ void *pageaddr = kmap(page);
++ struct squashfs_fragment_cache *fragment;
++ char *data_ptr = msBlk->read_page;
++
++ int mask = (1 << (sBlk->block_log - PAGE_CACHE_SHIFT)) - 1;
++ int start_index = page->index & ~mask;
++ int end_index = start_index | mask;
++
++ TRACE("Entered squashfs_readpage, page index %x, start block %x\n", (unsigned int) page->index,
++ inode->u.squashfs_i.start_block);
++
++ if(inode->u.squashfs_i.fragment_start_block == SQUASHFS_INVALID_BLK || index < (inode->i_size >> sBlk->block_log)) {
++ if((block = (msBlk->read_blocklist)(inode, index, 1, block_list, NULL, &bsize)) == 0)
++ goto skip_read;
+
+ down(&msBlk->read_page_mutex);
-+ if(!(bytes = read_data(inode->i_sb, msBlk->read_page, block, *block_listp, NULL))) {
-+ ERROR("Unable to read page, block %x, size %x\n", block, (int) *block_listp);
++ if(!(bytes = read_data(inode->i_sb, msBlk->read_page, block, bsize, 1, NULL))) {
++ ERROR("Unable to read page, block %x, size %x\n", block, bsize);
++ up(&msBlk->read_page_mutex);
+ goto skip_read;
+ }
++ } else {
++ if((fragment = get_cached_fragment(inode->i_sb, inode->u.squashfs_i.fragment_start_block, inode->u.squashfs_i.fragment_size)) == NULL) {
++ ERROR("Unable to read page, block %x, size %x\n", inode->u.squashfs_i.fragment_start_block, (int) inode->u.squashfs_i.fragment_size);
++ goto skip_read;
++ }
++ bytes = inode->u.squashfs_i.fragment_offset + (inode->i_size & (sBlk->block_size - 1));
++ byte_offset = inode->u.squashfs_i.fragment_offset;
++ data_ptr = fragment->data;
++ }
+
-+ for(i = start_index; i <= end_index && byte_offset < bytes; i++, byte_offset += PAGE_CACHE_SIZE) {
-+ int available_bytes = (bytes - byte_offset) > PAGE_CACHE_SIZE ? PAGE_CACHE_SIZE : bytes - byte_offset;
-+
-+ TRACE("bytes %d, i %d, byte_offset %d, available_bytes %d\n", bytes, i, byte_offset, available_bytes);
-+
-+ if(i == page->index) {
-+ memcpy(page_address(page), msBlk->read_page + byte_offset, available_bytes);
-+ memset(page_address(page) + available_bytes, 0, PAGE_CACHE_SIZE - available_bytes);
-+ flush_dcache_page(page);
-+ SetPageUptodate(page);
-+ UnlockPage(page);
-+ } else {
-+ struct page *push_page;
-+
-+ if((push_page = grab_cache_page_nowait(page->mapping, i))) {
-+ memcpy(page_address(push_page), msBlk->read_page + byte_offset, available_bytes);
-+ memset(page_address(push_page) + available_bytes, 0, PAGE_CACHE_SIZE - available_bytes);
-+ flush_dcache_page(push_page);
-+ SetPageUptodate(push_page);
-+ UnlockPage(push_page);
-+ page_cache_release(push_page);
-+ }
-+ }
++ for(i = start_index; i <= end_index && byte_offset < bytes; i++, byte_offset += PAGE_CACHE_SIZE) {
++ struct page *push_page;
++ int available_bytes = (bytes - byte_offset) > PAGE_CACHE_SIZE ? PAGE_CACHE_SIZE : bytes - byte_offset;
++
++ TRACE("bytes %d, i %d, byte_offset %d, available_bytes %d\n", bytes, i, byte_offset, available_bytes);
++
++ if(i == page->index) {
++ memcpy(pageaddr, data_ptr + byte_offset, available_bytes);
++ memset(pageaddr + available_bytes, 0, PAGE_CACHE_SIZE - available_bytes);
++ kunmap(page);
++ flush_dcache_page(page);
++ SetPageUptodate(page);
++ UnlockPage(page);
++ } else if((push_page = grab_cache_page_nowait(page->mapping, i))) {
++ void *pageaddr = kmap(push_page);
++ memcpy(pageaddr, data_ptr + byte_offset, available_bytes);
++ memset(pageaddr + available_bytes, 0, PAGE_CACHE_SIZE - available_bytes);
++ kunmap(push_page);
++ flush_dcache_page(push_page);
++ SetPageUptodate(push_page);
++ UnlockPage(push_page);
++ page_cache_release(push_page);
+ }
-+ up( &msBlk->read_page_mutex);
++ }
++
++ if(inode->u.squashfs_i.fragment_start_block == SQUASHFS_INVALID_BLK || index < (inode->i_size >> sBlk->block_log))
++ up(&msBlk->read_page_mutex);
++ else
++ release_cached_fragment(msBlk, fragment);
++
++ return 0;
+
-+ return 0;
++skip_read:
++ memset(pageaddr + bytes, 0, PAGE_CACHE_SIZE - bytes);
++ kunmap(page);
++ flush_dcache_page(page);
++ SetPageUptodate(page);
++ UnlockPage(page);
++
++ return 0;
++}
++
++
++static int squashfs_readpage4K(struct file *file, struct page *page)
++{
++ struct inode *inode = page->mapping->host;
++ squashfs_sb_info *msBlk = &inode->i_sb->u.squashfs_sb;
++ squashfs_super_block *sBlk = &msBlk->sBlk;
++ unsigned char block_list[SIZE];
++ unsigned int bsize, block, bytes = 0;
++ void *pageaddr = kmap(page);
++
++ TRACE("Entered squashfs_readpage4K, page index %x, start block %x\n", (unsigned int) page->index,
++ inode->u.squashfs_i.start_block);
+
-+ } else if(sBlk->block_log == PAGE_CACHE_SHIFT) {
-+ if(!(bytes = read_data(inode->i_sb, page_address(page), block, *block_listp, NULL)))
-+ ERROR("Unable to read page, block %x, size %x\n", block, (int) *block_listp);
++ if(page->index < (inode->i_size >> sBlk->block_log)) {
++ block = (msBlk->read_blocklist)(inode, page->index, 1, block_list, NULL, &bsize);
+
++ if(!(bytes = read_data(inode->i_sb, pageaddr, block, bsize, 1, NULL)))
++ ERROR("Unable to read page, block %x, size %x\n", block, bsize);
+ } else {
-+ int i_end = index + (1 << (PAGE_CACHE_SHIFT - sBlk->block_log));
-+ char *p = (char *) page_address(page);
-+ int byte;
++ struct squashfs_fragment_cache *fragment;
+
-+ if(i_end > file_blocks)
-+ i_end = file_blocks;
++ if((fragment = get_cached_fragment(inode->i_sb, inode->u.squashfs_i.fragment_start_block, inode->u.squashfs_i.fragment_size)) == NULL)
++ ERROR("Unable to read page, block %x, size %x\n", inode->u.squashfs_i.fragment_start_block, (int) inode->u.squashfs_i.fragment_size);
++ else {
++ bytes = inode->i_size & (sBlk->block_size - 1);
++ memcpy(pageaddr, fragment->data + inode->u.squashfs_i.fragment_offset, bytes);
++ release_cached_fragment(msBlk, fragment);
++ }
++ }
+
-+ while(index < i_end) {
-+ if(!(byte = read_data(inode->i_sb, p, block, *block_listp, NULL))) {
-+ ERROR("Unable to read page, block %x, size %x\n", block, (int) *block_listp);
-+ goto skip_read;
-+ }
-+ block += SQUASHFS_COMPRESSED_SIZE(*block_listp);
-+ p += byte;
-+ bytes += byte;
-+ index ++;
-+ block_listp ++;
++ memset(pageaddr + bytes, 0, PAGE_CACHE_SIZE - bytes);
++ kunmap(page);
++ flush_dcache_page(page);
++ SetPageUptodate(page);
++ UnlockPage(page);
++
++ return 0;
++}
++
++
++#ifdef SQUASHFS_1_0_COMPATIBILITY
++static int squashfs_readpage_lessthan4K(struct file *file, struct page *page)
++{
++ struct inode *inode = page->mapping->host;
++ squashfs_sb_info *msBlk = &inode->i_sb->u.squashfs_sb;
++ squashfs_super_block *sBlk = &msBlk->sBlk;
++ unsigned char block_list[SIZE];
++ unsigned short *block_listp, block, bytes = 0;
++ int index = page->index << (PAGE_CACHE_SHIFT - sBlk->block_log);
++ int file_blocks = ((inode->i_size - 1) >> sBlk->block_log) + 1;
++ int readahead_blks = 1 << (PAGE_CACHE_SHIFT - sBlk->block_log);
++ void *pageaddr = kmap(page);
++
++ int i_end = index + (1 << (PAGE_CACHE_SHIFT - sBlk->block_log));
++ int byte;
++
++ TRACE("Entered squashfs_readpage_lessthan4K, page index %x, start block %x\n", (unsigned int) page->index,
++ inode->u.squashfs_i.start_block);
++
++ block = read_blocklist_1(inode, index, readahead_blks, block_list, (char **) &block_listp, NULL);
++
++ if(i_end > file_blocks)
++ i_end = file_blocks;
++
++ while(index < i_end) {
++ if(!(byte = read_data(inode->i_sb, pageaddr, block, *block_listp, 0, NULL))) {
++ ERROR("Unable to read page, block %x, size %x\n", block, *block_listp);
++ goto skip_read;
+ }
++ block += SQUASHFS_COMPRESSED_SIZE(*block_listp);
++ pageaddr += byte;
++ bytes += byte;
++ index ++;
++ block_listp ++;
+ }
+
+skip_read:
-+ memset(page_address(page) + bytes, 0, PAGE_CACHE_SIZE - bytes);
++ memset(pageaddr, 0, PAGE_CACHE_SIZE - bytes);
++ kunmap(page);
+ flush_dcache_page(page);
+ SetPageUptodate(page);
+ UnlockPage(page);
+
+ return 0;
+}
++#endif
+
+
+static int squashfs_readdir(struct file *file, void *dirent, filldir_t filldir)
+
+ dire->name[dire->size + 1] = '\0';
+
-+ TRACE("Calling filldir(%x, %s, %d, %d, %x:%x, %d)\n", dirent,
++ TRACE("Calling filldir(%x, %s, %d, %d, %x:%x, %d)\n", (unsigned int) dirent,
+ dire->name, dire->size + 1, (int) file->f_pos,
+ dirh.start_block, dire->offset, squashfs_filetype_table[dire->type]);
+
+ if(!squashfs_get_cached_block(i->i_sb, (char *) &sdire,
+ next_block,next_offset, sizeof(sdire), &next_block, &next_offset))
+ goto failed_read;
-+ length += sizeof(*dire);
++ length += sizeof(sdire);
+ SQUASHFS_SWAP_DIR_ENTRY(dire, &sdire);
+ } else {
+ if(!squashfs_get_cached_block(i->i_sb, (char *) dire,
+ TRACE("calling squashfs_iget for directory entry %s, inode %x:%x\n",
+ name, dirh.start_block, dire->offset);
+
-+ inode = squashfs_iget(i->i_sb, ino);
++ inode = (msBlk->iget)(i->i_sb, ino);
+
+ goto exit_loop;
+ }
+module_init(init_squashfs_fs);
+module_exit(exit_squashfs_fs);
+MODULE_DESCRIPTION("squashfs, a compressed read-only filesystem");
-+MODULE_AUTHOR("Phillip Lougher <phillip@lougher.demon.co.uk>");
++MODULE_AUTHOR("Phillip Lougher <plougher@users.sourceforge.net>");
+MODULE_LICENSE("GPL");
-diff -urN src/linux-dist/linux/include/linux/fs.h src/linux/linux/include/linux/fs.h
---- src/linux-dist/linux/include/linux/fs.h 2003-07-04 03:12:25.000000000 -0500
-+++ src/linux/linux/include/linux/fs.h 2004-03-29 17:00:53.000000000 -0600
+diff -Nurb src/linux/linux.orig/include/linux/fs.h src/linux/linux/include/linux/fs.h
+--- src/linux/linux.orig/include/linux/fs.h 2003-07-04 04:12:25.000000000 -0400
++++ src/linux/linux/include/linux/fs.h 2004-05-25 21:13:03.000000000 -0400
@@ -313,6 +313,7 @@
#include <linux/usbdev_fs_i.h>
#include <linux/jffs2_fs_i.h>
void *generic_sbp;
} u;
/*
-diff -urN src/linux-dist/linux/include/linux/squashfs_fs.h src/linux/linux/include/linux/squashfs_fs.h
---- src/linux-dist/linux/include/linux/squashfs_fs.h 1969-12-31 18:00:00.000000000 -0600
-+++ src/linux/linux/include/linux/squashfs_fs.h 2004-03-29 17:00:53.000000000 -0600
-@@ -0,0 +1,323 @@
+diff -Nurb src/linux/linux.orig/include/linux/squashfs_fs.h src/linux/linux/include/linux/squashfs_fs.h
+--- src/linux/linux.orig/include/linux/squashfs_fs.h 1969-12-31 19:00:00.000000000 -0500
++++ src/linux/linux/include/linux/squashfs_fs.h 2004-05-25 21:13:03.000000000 -0400
+@@ -0,0 +1,474 @@
+#ifndef SQUASHFS_FS
+#define SQUASHFS_FS
+/*
+ * Squashfs
+ *
-+ * Copyright (c) 2002 Phillip Lougher <phillip@lougher.demon.co.uk>
++ * Copyright (c) 2002, 2003, 2004 Phillip Lougher <plougher@users.sourceforge.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
-+ * as published by the Free Software Foundation; either version
-+ * 2 of the License, or (at your option) any later version.
++ * as published by the Free Software Foundation; either version 2,
++ * or (at your option) any later version.
++ *
++ * This program is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++ * GNU General Public License for more details.
++ *
++ * You should have received a copy of the GNU General Public License
++ * along with this program; if not, write to the Free Software
++ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * squashfs_fs.h
+ */
+
-+#define SQUASHFS_MAJOR 1
++#define SQUASHFS_MAJOR 2
+#define SQUASHFS_MINOR 0
+#define SQUASHFS_MAGIC 0x73717368
+#define SQUASHFS_MAGIC_SWAP 0x68737173
+#define SQUASHFS_METADATA_LOG 13
+
+/* default size of data blocks */
-+#define SQUASHFS_FILE_SIZE 32768
-+#define SQUASHFS_FILE_LOG 15
++#define SQUASHFS_FILE_SIZE 65536
++#define SQUASHFS_FILE_LOG 16
+
-+#define SQUASHFS_FILE_MAX_SIZE 32768
++#define SQUASHFS_FILE_MAX_SIZE 65536
+
+/* Max number of uids and gids */
-+#define SQUASHFS_UIDS 48
-+#define SQUASHFS_GUIDS 15
++#define SQUASHFS_UIDS 256
++#define SQUASHFS_GUIDS 255
+
+/* Max length of filename (not 255) */
+#define SQUASHFS_NAME_LEN 256
+#define SQUASHFS_USED_BLK ((long long) 0xfffffffe)
+
+/* Filesystem flags */
-+#define SQUASHFS_NOI 1
-+#define SQUASHFS_NOD 2
-+#define SQUASHFS_CHECK 4
-+#define SQUASHFS_UNCOMPRESSED_INODES(flags) (flags & SQUASHFS_NOI)
-+#define SQUASHFS_UNCOMPRESSED_DATA(flags) (flags & SQUASHFS_NOD)
-+#define SQUASHFS_CHECK_DATA(flags) (flags & SQUASHFS_CHECK)
-+#define SQUASHFS_MKFLAGS(noi, nod, check_data) (noi | (nod << 1) | (check_data << 2))
++#define SQUASHFS_NOI 0
++#define SQUASHFS_NOD 1
++#define SQUASHFS_CHECK 2
++#define SQUASHFS_NOF 3
++#define SQUASHFS_NO_FRAG 4
++#define SQUASHFS_ALWAYS_FRAG 5
++#define SQUASHFS_DUPLICATE 6
++#define SQUASHFS_BIT(flag, bit) ((flag >> bit) & 1)
++#define SQUASHFS_UNCOMPRESSED_INODES(flags) SQUASHFS_BIT(flags, SQUASHFS_NOI)
++#define SQUASHFS_UNCOMPRESSED_DATA(flags) SQUASHFS_BIT(flags, SQUASHFS_NOD)
++#define SQUASHFS_UNCOMPRESSED_FRAGMENTS(flags) SQUASHFS_BIT(flags, SQUASHFS_NOF)
++#define SQUASHFS_NO_FRAGMENTS(flags) SQUASHFS_BIT(flags, SQUASHFS_NO_FRAG)
++#define SQUASHFS_ALWAYS_FRAGMENTS(flags) SQUASHFS_BIT(flags, SQUASHFS_ALWAYS_FRAG)
++#define SQUASHFS_DUPLICATES(flags) SQUASHFS_BIT(flags, SQUASHFS_DUPLICATE)
++#define SQUASHFS_CHECK_DATA(flags) SQUASHFS_BIT(flags, SQUASHFS_CHECK)
++#define SQUASHFS_MKFLAGS(noi, nod, check_data, nof, no_frag, always_frag, duplicate_checking) (noi | (nod << 1) | (check_data << 2) | (nof << 3) | (no_frag << 4) | (always_frag << 5) | (duplicate_checking << 6))
+
+/* Max number of types and file types */
-+#define SQUASHFS_TYPES 5
+#define SQUASHFS_DIR_TYPE 1
+#define SQUASHFS_FILE_TYPE 2
+#define SQUASHFS_SYMLINK_TYPE 3
+#define SQUASHFS_BLKDEV_TYPE 4
+#define SQUASHFS_CHRDEV_TYPE 5
-+
-+#define SQUASHFS_IPC_TYPE 0
+#define SQUASHFS_FIFO_TYPE 6
+#define SQUASHFS_SOCKET_TYPE 7
+
++/* 1.0 filesystem type definitions */
++#define SQUASHFS_TYPES 5
++#define SQUASHFS_IPC_TYPE 0
++
+/* Flag whether block is compressed or uncompressed, bit is set if block is uncompressed */
+#define SQUASHFS_COMPRESSED_BIT (1 << 15)
+#define SQUASHFS_COMPRESSED_SIZE(B) (((B) & ~SQUASHFS_COMPRESSED_BIT) ? \
+
+#define SQUASHFS_COMPRESSED(B) (!((B) & SQUASHFS_COMPRESSED_BIT))
+
++#define SQUASHFS_COMPRESSED_BIT_BLOCK (1 << 24)
++#define SQUASHFS_COMPRESSED_SIZE_BLOCK(B) (((B) & ~SQUASHFS_COMPRESSED_BIT_BLOCK) ? \
++ (B) & ~SQUASHFS_COMPRESSED_BIT_BLOCK : SQUASHFS_COMPRESSED_BIT_BLOCK)
++
++#define SQUASHFS_COMPRESSED_BLOCK(B) (!((B) & SQUASHFS_COMPRESSED_BIT_BLOCK))
++
+/*
+ * Inode number ops. Inodes consist of a compressed block number, and an uncompressed
+ * offset within that block
+/* Translate between VFS mode and squashfs mode */
+#define SQUASHFS_MODE(a) ((a) & 0xfff)
+
++/* fragment and fragment table defines */
++typedef unsigned int squashfs_fragment_index;
++#define SQUASHFS_FRAGMENT_BYTES(A) (A * sizeof(squashfs_fragment_entry))
++#define SQUASHFS_FRAGMENT_INDEX(A) (SQUASHFS_FRAGMENT_BYTES(A) / SQUASHFS_METADATA_SIZE)
++#define SQUASHFS_FRAGMENT_INDEX_OFFSET(A) (SQUASHFS_FRAGMENT_BYTES(A) % SQUASHFS_METADATA_SIZE)
++#define SQUASHFS_FRAGMENT_INDEXES(A) ((SQUASHFS_FRAGMENT_BYTES(A) + SQUASHFS_METADATA_SIZE - 1) / SQUASHFS_METADATA_SIZE)
++#define SQUASHFS_FRAGMENT_INDEX_BYTES(A) (SQUASHFS_FRAGMENT_INDEXES(A) * sizeof(squashfs_fragment_index))
++#define SQUASHFS_CACHED_FRAGMENTS 3
++
+/* cached data constants for filesystem */
+#define SQUASHFS_CACHED_BLKS 8
+
+ unsigned int directory_table_start;
+ unsigned int s_major:16;
+ unsigned int s_minor:16;
-+ unsigned int block_size:16;
++ unsigned int block_size_1:16;
+ unsigned int block_log:16;
+ unsigned int flags:8;
+ unsigned int no_uids:8;
+ unsigned int no_guids:8;
+ time_t mkfs_time /* time of filesystem creation */;
+ squashfs_inode root_inode;
++ unsigned int block_size;
++ unsigned int fragments;
++ unsigned int fragment_table_start;
+} __attribute__ ((packed)) squashfs_super_block;
+
+typedef struct {
+ unsigned int inode_type:4;
+ unsigned int mode:12; /* protection */
-+ unsigned int uid:4; /* index into uid table */
-+ unsigned int guid:4; /* index into guid table */
++ unsigned int uid:8; /* index into uid table */
++ unsigned int guid:8; /* index into guid table */
+} __attribute__ ((packed)) squashfs_base_inode_header;
+
-+typedef struct {
-+ unsigned int inode_type:4;
-+ unsigned int mode:12; /* protection */
-+ unsigned int uid:4; /* index into uid table */
-+ unsigned int guid:4; /* index into guid table */
-+ unsigned int type:4;
-+ unsigned int offset:4;
-+} __attribute__ ((packed)) squashfs_ipc_inode_header;
++typedef squashfs_base_inode_header squashfs_ipc_inode_header;
+
+typedef struct {
+ unsigned int inode_type:4;
+ unsigned int mode:12; /* protection */
-+ unsigned int uid:4; /* index into uid table */
-+ unsigned int guid:4; /* index into guid table */
++ unsigned int uid:8; /* index into uid table */
++ unsigned int guid:8; /* index into guid table */
+ unsigned short rdev;
+} __attribute__ ((packed)) squashfs_dev_inode_header;
+
+typedef struct {
+ unsigned int inode_type:4;
+ unsigned int mode:12; /* protection */
-+ unsigned int uid:4; /* index into uid table */
-+ unsigned int guid:4; /* index into guid table */
++ unsigned int uid:8; /* index into uid table */
++ unsigned int guid:8; /* index into guid table */
+ unsigned short symlink_size;
+ char symlink[0];
+} __attribute__ ((packed)) squashfs_symlink_inode_header;
+typedef struct {
+ unsigned int inode_type:4;
+ unsigned int mode:12; /* protection */
-+ unsigned int uid:4; /* index into uid table */
-+ unsigned int guid:4; /* index into guid table */
++ unsigned int uid:8; /* index into uid table */
++ unsigned int guid:8; /* index into guid table */
+ time_t mtime;
+ squashfs_block start_block;
++ unsigned int fragment;
++ unsigned int offset;
+ unsigned int file_size:SQUASHFS_MAX_FILE_SIZE_LOG;
+ unsigned short block_list[0];
+} __attribute__ ((packed)) squashfs_reg_inode_header;
+typedef struct {
+ unsigned int inode_type:4;
+ unsigned int mode:12; /* protection */
-+ unsigned int uid:4; /* index into uid table */
-+ unsigned int guid:4; /* index into guid table */
++ unsigned int uid:8; /* index into uid table */
++ unsigned int guid:8; /* index into guid table */
+ unsigned int file_size:19;
+ unsigned int offset:13;
+ time_t mtime;
+} __attribute__ ((packed)) squashfs_dir_header;
+
+
++typedef struct {
++ unsigned int start_block;
++ unsigned int size;
++} __attribute__ ((packed)) squashfs_fragment_entry;
++
+extern int squashfs_uncompress_block(void *d, int dstlen, void *s, int srclen);
+extern int squashfs_uncompress_init(void);
+extern int squashfs_uncompress_exit(void);
+ SQUASHFS_SWAP((s)->directory_table_start, d, 192, 32);\
+ SQUASHFS_SWAP((s)->s_major, d, 224, 16);\
+ SQUASHFS_SWAP((s)->s_minor, d, 240, 16);\
-+ SQUASHFS_SWAP((s)->block_size, d, 256, 16);\
++ SQUASHFS_SWAP((s)->block_size_1, d, 256, 16);\
+ SQUASHFS_SWAP((s)->block_log, d, 272, 16);\
+ SQUASHFS_SWAP((s)->flags, d, 288, 8);\
+ SQUASHFS_SWAP((s)->no_uids, d, 296, 8);\
+ SQUASHFS_SWAP((s)->no_guids, d, 304, 8);\
+ SQUASHFS_SWAP((s)->mkfs_time, d, 312, 32);\
+ SQUASHFS_SWAP((s)->root_inode, d, 344, 64);\
++ SQUASHFS_SWAP((s)->block_size, d, 408, 32);\
++ SQUASHFS_SWAP((s)->fragments, d, 440, 32);\
++ SQUASHFS_SWAP((s)->fragment_table_start, d, 472, 32);\
+}
+
+#define SQUASHFS_SWAP_BASE_INODE_HEADER(s, d, n) {\
+ SQUASHFS_MEMSET(s, d, n);\
+ SQUASHFS_SWAP((s)->inode_type, d, 0, 4);\
+ SQUASHFS_SWAP((s)->mode, d, 4, 12);\
-+ SQUASHFS_SWAP((s)->uid, d, 16, 4);\
-+ SQUASHFS_SWAP((s)->guid, d, 20, 4);\
++ SQUASHFS_SWAP((s)->uid, d, 16, 8);\
++ SQUASHFS_SWAP((s)->guid, d, 24, 8);\
+}
+
-+#define SQUASHFS_SWAP_IPC_INODE_HEADER(s, d) {\
-+ SQUASHFS_SWAP_BASE_INODE_HEADER(s, d, sizeof(squashfs_dev_inode_header));\
-+ SQUASHFS_SWAP((s)->type, d, 24, 4);\
-+ SQUASHFS_SWAP((s)->offset, d, 28, 4);\
-+}
++#define SQUASHFS_SWAP_IPC_INODE_HEADER(s, d) SQUASHFS_SWAP_BASE_INODE_HEADER(s, d, sizeof(squashfs_ipc_inode_header))
++
+#define SQUASHFS_SWAP_DEV_INODE_HEADER(s, d) {\
+ SQUASHFS_SWAP_BASE_INODE_HEADER(s, d, sizeof(squashfs_dev_inode_header));\
-+ SQUASHFS_SWAP((s)->rdev, d, 24, 16);\
++ SQUASHFS_SWAP((s)->rdev, d, 32, 16);\
+}
+
+#define SQUASHFS_SWAP_SYMLINK_INODE_HEADER(s, d) {\
+ SQUASHFS_SWAP_BASE_INODE_HEADER(s, d, sizeof(squashfs_symlink_inode_header));\
-+ SQUASHFS_SWAP((s)->symlink_size, d, 24, 16);\
++ SQUASHFS_SWAP((s)->symlink_size, d, 32, 16);\
+}
+
+#define SQUASHFS_SWAP_REG_INODE_HEADER(s, d) {\
+ SQUASHFS_SWAP_BASE_INODE_HEADER(s, d, sizeof(squashfs_reg_inode_header));\
-+ SQUASHFS_SWAP((s)->mtime, d, 24, 32);\
-+ SQUASHFS_SWAP((s)->start_block, d, 56, 32);\
-+ SQUASHFS_SWAP((s)->file_size, d, 88, SQUASHFS_MAX_FILE_SIZE_LOG);\
++ SQUASHFS_SWAP((s)->mtime, d, 32, 32);\
++ SQUASHFS_SWAP((s)->start_block, d, 64, 32);\
++ SQUASHFS_SWAP((s)->fragment, d, 96, 32);\
++ SQUASHFS_SWAP((s)->offset, d, 128, 32);\
++ SQUASHFS_SWAP((s)->file_size, d, 160, SQUASHFS_MAX_FILE_SIZE_LOG);\
+}
+
+#define SQUASHFS_SWAP_DIR_INODE_HEADER(s, d) {\
+ SQUASHFS_SWAP_BASE_INODE_HEADER(s, d, sizeof(squashfs_dir_inode_header));\
-+ SQUASHFS_SWAP((s)->file_size, d, 24, 19);\
-+ SQUASHFS_SWAP((s)->offset, d, 43, 13);\
-+ SQUASHFS_SWAP((s)->mtime, d, 56, 32);\
-+ SQUASHFS_SWAP((s)->start_block, d, 88, 24);\
++ SQUASHFS_SWAP((s)->file_size, d, 32, 19);\
++ SQUASHFS_SWAP((s)->offset, d, 51, 13);\
++ SQUASHFS_SWAP((s)->mtime, d, 64, 32);\
++ SQUASHFS_SWAP((s)->start_block, d, 96, 24);\
+}
+
+#define SQUASHFS_SWAP_DIR_HEADER(s, d) {\
+ SQUASHFS_SWAP((s)->size, d, 16, 8);\
+}
+
++#define SQUASHFS_SWAP_FRAGMENT_ENTRY(s, d) {\
++ SQUASHFS_MEMSET(s, d, sizeof(squashfs_fragment_entry));\
++ SQUASHFS_SWAP((s)->start_block, d, 0, 32);\
++ SQUASHFS_SWAP((s)->size, d, 32, 32);\
++}
++
+#define SQUASHFS_SWAP_SHORTS(s, d, n) {\
+ int entry;\
+ int bit_position;\
+ SQUASHFS_SWAP(s[entry], d, bit_position, 16);\
+}
+
++#define SQUASHFS_SWAP_INTS(s, d, n) {\
++ int entry;\
++ int bit_position;\
++ SQUASHFS_MEMSET(s, d, n * 4);\
++ for(entry = 0, bit_position = 0; entry < n; entry++, bit_position += 32)\
++ SQUASHFS_SWAP(s[entry], d, bit_position, 32);\
++}
++
+#define SQUASHFS_SWAP_DATA(s, d, n, bits) {\
+ int entry;\
+ int bit_position;\
+ SQUASHFS_SWAP(s[entry], d, bit_position, bits);\
+}
+
++#define SQUASHFS_SWAP_FRAGMENT_INDEXES(s, d, n) SQUASHFS_SWAP_INTS(s, d, n)
++
++#ifdef SQUASHFS_1_0_COMPATIBILITY
++typedef struct {
++ unsigned int inode_type:4;
++ unsigned int mode:12; /* protection */
++ unsigned int uid:4; /* index into uid table */
++ unsigned int guid:4; /* index into guid table */
++} __attribute__ ((packed)) squashfs_base_inode_header_1;
++
++typedef struct {
++ unsigned int inode_type:4;
++ unsigned int mode:12; /* protection */
++ unsigned int uid:4; /* index into uid table */
++ unsigned int guid:4; /* index into guid table */
++ unsigned int type:4;
++ unsigned int offset:4;
++} __attribute__ ((packed)) squashfs_ipc_inode_header_1;
++
++typedef struct {
++ unsigned int inode_type:4;
++ unsigned int mode:12; /* protection */
++ unsigned int uid:4; /* index into uid table */
++ unsigned int guid:4; /* index into guid table */
++ unsigned short rdev;
++} __attribute__ ((packed)) squashfs_dev_inode_header_1;
++
++typedef struct {
++ unsigned int inode_type:4;
++ unsigned int mode:12; /* protection */
++ unsigned int uid:4; /* index into uid table */
++ unsigned int guid:4; /* index into guid table */
++ unsigned short symlink_size;
++ char symlink[0];
++} __attribute__ ((packed)) squashfs_symlink_inode_header_1;
++
++typedef struct {
++ unsigned int inode_type:4;
++ unsigned int mode:12; /* protection */
++ unsigned int uid:4; /* index into uid table */
++ unsigned int guid:4; /* index into guid table */
++ time_t mtime;
++ squashfs_block start_block;
++ unsigned int file_size:SQUASHFS_MAX_FILE_SIZE_LOG;
++ unsigned short block_list[0];
++} __attribute__ ((packed)) squashfs_reg_inode_header_1;
++
++typedef struct {
++ unsigned int inode_type:4;
++ unsigned int mode:12; /* protection */
++ unsigned int uid:4; /* index into uid table */
++ unsigned int guid:4; /* index into guid table */
++ unsigned int file_size:19;
++ unsigned int offset:13;
++ time_t mtime;
++ unsigned int start_block:24;
++} __attribute__ ((packed)) squashfs_dir_inode_header_1;
++
++#define SQUASHFS_SWAP_BASE_INODE_HEADER_1(s, d, n) {\
++ SQUASHFS_MEMSET(s, d, n);\
++ SQUASHFS_SWAP((s)->inode_type, d, 0, 4);\
++ SQUASHFS_SWAP((s)->mode, d, 4, 12);\
++ SQUASHFS_SWAP((s)->uid, d, 16, 4);\
++ SQUASHFS_SWAP((s)->guid, d, 20, 4);\
++}
++
++#define SQUASHFS_SWAP_IPC_INODE_HEADER_1(s, d) {\
++ SQUASHFS_SWAP_BASE_INODE_HEADER_1(s, d, sizeof(squashfs_ipc_inode_header_1));\
++ SQUASHFS_SWAP((s)->type, d, 24, 4);\
++ SQUASHFS_SWAP((s)->offset, d, 28, 4);\
++}
++
++#define SQUASHFS_SWAP_DEV_INODE_HEADER_1(s, d) {\
++ SQUASHFS_SWAP_BASE_INODE_HEADER_1(s, d, sizeof(squashfs_dev_inode_header_1));\
++ SQUASHFS_SWAP((s)->rdev, d, 24, 16);\
++}
++
++#define SQUASHFS_SWAP_SYMLINK_INODE_HEADER_1(s, d) {\
++ SQUASHFS_SWAP_BASE_INODE_HEADER(s, d, sizeof(squashfs_symlink_inode_header_1));\
++ SQUASHFS_SWAP((s)->symlink_size, d, 24, 16);\
++}
++
++#define SQUASHFS_SWAP_REG_INODE_HEADER_1(s, d) {\
++ SQUASHFS_SWAP_BASE_INODE_HEADER(s, d, sizeof(squashfs_reg_inode_header_1));\
++ SQUASHFS_SWAP((s)->mtime, d, 24, 32);\
++ SQUASHFS_SWAP((s)->start_block, d, 56, 32);\
++ SQUASHFS_SWAP((s)->file_size, d, 88, SQUASHFS_MAX_FILE_SIZE_LOG);\
++}
++
++#define SQUASHFS_SWAP_DIR_INODE_HEADER_1(s, d) {\
++ SQUASHFS_SWAP_BASE_INODE_HEADER(s, d, sizeof(squashfs_dir_inode_header_1));\
++ SQUASHFS_SWAP((s)->file_size, d, 24, 19);\
++ SQUASHFS_SWAP((s)->offset, d, 43, 13);\
++ SQUASHFS_SWAP((s)->mtime, d, 56, 32);\
++ SQUASHFS_SWAP((s)->start_block, d, 88, 24);\
++}
++#endif
++
+#ifdef __KERNEL__
+/*
+ * macros used to swap each structure entry, taking into account
+ unsigned char *d = ((unsigned char *) &val) + 7;\
+ for(bits = 0; bits < (tbits + b_pos); bits += 8) \
+ *d-- = *s++;\
-+ value = (val >> (SHIFT));\
++ value = (val >> (SHIFT))/* & ((1 << tbits) - 1)*/;\
+}
+#define SQUASHFS_MEMSET(s, d, n) memset(s, 0, n);
+#endif
+#endif
-diff -urN src/linux-dist/linux/include/linux/squashfs_fs_i.h src/linux/linux/include/linux/squashfs_fs_i.h
---- src/linux-dist/linux/include/linux/squashfs_fs_i.h 1969-12-31 18:00:00.000000000 -0600
-+++ src/linux/linux/include/linux/squashfs_fs_i.h 2004-03-29 17:00:53.000000000 -0600
-@@ -0,0 +1,21 @@
+diff -Nurb src/linux/linux.orig/include/linux/squashfs_fs_i.h src/linux/linux/include/linux/squashfs_fs_i.h
+--- src/linux/linux.orig/include/linux/squashfs_fs_i.h 1969-12-31 19:00:00.000000000 -0500
++++ src/linux/linux/include/linux/squashfs_fs_i.h 2004-05-25 21:13:03.000000000 -0400
+@@ -0,0 +1,33 @@
+#ifndef SQUASHFS_FS_I
+#define SQUASHFS_FS_I
+/*
+ * Squashfs
+ *
-+ * Copyright (c) 2002 Phillip Lougher <phillip@lougher.demon.co.uk>
++ * Copyright (c) 2002, 2003, 2004 Phillip Lougher <plougher@users.sourceforge.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
-+ * as published by the Free Software Foundation; either version
-+ * 2 of the License, or (at your option) any later version.
++ * as published by the Free Software Foundation; either version 2,
++ * or (at your option) any later version.
++ *
++ * This program is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++ * GNU General Public License for more details.
++ *
++ * You should have received a copy of the GNU General Public License
++ * along with this program; if not, write to the Free Software
++ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * squashfs_fs_i.h
+ */
+ unsigned int start_block;
+ unsigned int block_list_start;
+ unsigned int offset;
++ unsigned int fragment_start_block;
++ unsigned int fragment_size;
++ unsigned int fragment_offset;
+ } squashfs_inode_info;
+#endif
-diff -urN src/linux-dist/linux/include/linux/squashfs_fs_sb.h src/linux/linux/include/linux/squashfs_fs_sb.h
---- src/linux-dist/linux/include/linux/squashfs_fs_sb.h 1969-12-31 18:00:00.000000000 -0600
-+++ src/linux/linux/include/linux/squashfs_fs_sb.h 2004-03-29 17:00:53.000000000 -0600
-@@ -0,0 +1,41 @@
+diff -Nurb src/linux/linux.orig/include/linux/squashfs_fs_sb.h src/linux/linux/include/linux/squashfs_fs_sb.h
+--- src/linux/linux.orig/include/linux/squashfs_fs_sb.h 1969-12-31 19:00:00.000000000 -0500
++++ src/linux/linux/include/linux/squashfs_fs_sb.h 2004-05-25 21:13:03.000000000 -0400
+@@ -0,0 +1,65 @@
+#ifndef SQUASHFS_FS_SB
+#define SQUASHFS_FS_SB
+/*
+ * Squashfs
+ *
-+ * Copyright (c) 2002 Phillip Lougher <phillip@lougher.demon.co.uk>
++ * Copyright (c) 2002, 2003, 2004 Phillip Lougher <plougher@users.sourceforge.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
-+ * as published by the Free Software Foundation; either version
-+ * 2 of the License, or (at your option) any later version.
++ * as published by the Free Software Foundation; either version 2,
++ * or (at your option) any later version.
++ *
++ * This program is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++ * GNU General Public License for more details.
++ *
++ * You should have received a copy of the GNU General Public License
++ * along with this program; if not, write to the Free Software
++ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * squashfs_fs_sb.h
+ */
+ char *data;
+ } squashfs_cache;
+
++struct squashfs_fragment_cache {
++ unsigned int block;
++ int length;
++ unsigned int locked;
++ char *data;
++ };
++
+typedef struct squashfs_sb_info {
+ squashfs_super_block sBlk;
+ int devblksize;
+ int devblksize_log2;
+ int swap;
+ squashfs_cache *block_cache;
++ struct squashfs_fragment_cache *fragment;
+ int next_cache;
++ int next_fragment;
+ squashfs_uid *uid;
+ squashfs_uid *guid;
++ squashfs_fragment_index *fragment_index;
+ unsigned int read_size;
+ char *read_data;
+ char *read_page;
+ struct semaphore read_page_mutex;
+ struct semaphore block_cache_mutex;
++ struct semaphore fragment_mutex;
+ wait_queue_head_t waitq;
++ wait_queue_head_t fragment_wait_queue;
++ struct inode *(*iget)(struct super_block *s, squashfs_inode inode);
++ unsigned int (*read_blocklist)(struct inode *inode, int index, int readahead_blks,
++ char *block_list, char **block_p, unsigned int *bsize);
+ } squashfs_sb_info;
+#endif
-diff -urN src/linux-dist/linux/init/do_mounts.c src/linux/linux/init/do_mounts.c
---- src/linux-dist/linux/init/do_mounts.c 2003-11-08 02:13:20.000000000 -0600
-+++ src/linux/linux/init/do_mounts.c 2004-03-29 17:00:53.000000000 -0600
+diff -Nurb src/linux/linux.orig/init/do_mounts.c src/linux/linux/init/do_mounts.c
+--- src/linux/linux.orig/init/do_mounts.c 2003-11-08 03:13:20.000000000 -0500
++++ src/linux/linux/init/do_mounts.c 2004-05-25 21:13:03.000000000 -0400
@@ -16,6 +16,7 @@
#include <linux/ext2_fs.h>
#include <linux/romfs_fs.h>
/*
* Read block 1 to test for minix and ext2 superblock
*/
-diff -urN src/linux-dist/linux/kernel/ksyms.c src/linux/linux/kernel/ksyms.c
---- src/linux-dist/linux/kernel/ksyms.c 2003-07-04 03:12:28.000000000 -0500
-+++ src/linux/linux/kernel/ksyms.c 2004-03-29 17:00:53.000000000 -0600
-@@ -482,9 +483,9 @@
+diff -Nurb src/linux/linux.orig/kernel/ksyms.c src/linux/linux/kernel/ksyms.c
+--- src/linux/linux.orig/kernel/ksyms.c 2003-07-04 04:12:28.000000000 -0400
++++ src/linux/linux/kernel/ksyms.c 2004-05-25 21:12:24.000000000 -0400
+@@ -482,9 +482,9 @@
EXPORT_SYMBOL(simple_strtoull);
EXPORT_SYMBOL(system_utsname); /* UTS data */
EXPORT_SYMBOL(uts_sem); /* UTS semaphore */
EXPORT_SYMBOL(machine_restart);
EXPORT_SYMBOL(machine_halt);
EXPORT_SYMBOL(machine_power_off);
-diff -urN src/linux-dist/linux/lib/Config.in src/linux/linux/lib/Config.in
---- src/linux-dist/linux/lib/Config.in 2003-07-04 03:12:29.000000000 -0500
-+++ src/linux/linux/lib/Config.in 2004-03-29 17:00:53.000000000 -0600
+diff -Nurb src/linux/linux.orig/lib/Config.in src/linux/linux/lib/Config.in
+--- src/linux/linux.orig/lib/Config.in 2003-07-04 04:12:29.000000000 -0400
++++ src/linux/linux/lib/Config.in 2004-05-25 21:13:03.000000000 -0400
@@ -8,12 +8,14 @@
# Do we need the compression support?
#
projects / openwrt.git / blobdiff