target/linux/generic/patches-3.2/505-2.6.39_fix.patch

   1 --- a/fs/yaffs2/yaffs_vfs_glue.c
   2 +++ b/fs/yaffs2/yaffs_vfs_glue.c
   3 @@ -72,7 +72,7 @@
   4  #include <linux/init.h>
   5  #include <linux/fs.h>
   6  #include <linux/proc_fs.h>
   7 -#include <linux/smp_lock.h>
   8 +#include <linux/mutex.h>
   9  #include <linux/pagemap.h>
  10  #include <linux/mtd/mtd.h>
  11  #include <linux/interrupt.h>
  12 @@ -97,6 +97,8 @@
  13
  14  #include <asm/div64.h>
  15
  16 +static DEFINE_MUTEX(yaffs_mutex);
  17 +
  18  #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
  19
  20  #include <linux/statfs.h>
  21 @@ -1538,7 +1540,7 @@ static loff_t yaffs_dir_llseek(struct fi
  22  {
  23         long long retval;
  24
  25 -       lock_kernel();
  26 +       mutex_lock(&yaffs_mutex);
  27
  28         switch (origin){
  29         case 2:
  30 @@ -1555,7 +1557,7 @@ static loff_t yaffs_dir_llseek(struct fi
  31
  32                 retval = offset;
  33         }
  34 -       unlock_kernel();
  35 +       mutex_unlock(&yaffs_mutex);
  36         return retval;
  37  }
  38
  39 @@ -3087,98 +3089,52 @@ static struct super_block *yaffs_interna
  40         return sb;
  41  }
  42
  43 -
  44 -#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
  45  static int yaffs_internal_read_super_mtd(struct super_block *sb, void *data,
  46                                          int silent)
  47  {
  48         return yaffs_internal_read_super(1, sb, data, silent) ? 0 : -EINVAL;
  49  }
  50
  51 -#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
  52 -static int yaffs_read_super(struct file_system_type *fs,
  53 +static struct dentry *yaffs_read_super(struct file_system_type *fs,
  54                             int flags, const char *dev_name,
  55 -                           void *data, struct vfsmount *mnt)
  56 -{
  57 -
  58 -       return get_sb_bdev(fs, flags, dev_name, data,
  59 -                          yaffs_internal_read_super_mtd, mnt);
  60 -}
  61 -#else
  62 -static struct super_block *yaffs_read_super(struct file_system_type *fs,
  63 -                                           int flags, const char *dev_name,
  64 -                                           void *data)
  65 +                           void *data)
  66  {
  67
  68 -       return get_sb_bdev(fs, flags, dev_name, data,
  69 +       return mount_bdev(fs, flags, dev_name, data,
  70                            yaffs_internal_read_super_mtd);
  71  }
  72 -#endif
  73
  74  static struct file_system_type yaffs_fs_type = {
  75         .owner = THIS_MODULE,
  76         .name = "yaffs",
  77 -       .get_sb = yaffs_read_super,
  78 +       .mount = yaffs_read_super,
  79         .kill_sb = kill_block_super,
  80         .fs_flags = FS_REQUIRES_DEV,
  81  };
  82 -#else
  83 -static struct super_block *yaffs_read_super(struct super_block *sb, void *data,
  84 -                                           int silent)
  85 -{
  86 -       return yaffs_internal_read_super(1, sb, data, silent);
  87 -}
  88 -
  89 -static DECLARE_FSTYPE(yaffs_fs_type, "yaffs", yaffs_read_super,
  90 -                     FS_REQUIRES_DEV);
  91 -#endif
  92 -
  93
  94  #ifdef CONFIG_YAFFS_YAFFS2
  95
  96 -#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
  97  static int yaffs2_internal_read_super_mtd(struct super_block *sb, void *data,
  98                                           int silent)
  99  {
 100         return yaffs_internal_read_super(2, sb, data, silent) ? 0 : -EINVAL;
 101  }
 102
 103 -#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
 104 -static int yaffs2_read_super(struct file_system_type *fs,
 105 -                       int flags, const char *dev_name, void *data,
 106 -                       struct vfsmount *mnt)
 107 +static struct dentry *yaffs2_read_super(struct file_system_type *fs,
 108 +                       int flags, const char *dev_name,
 109 +                       void *data)
 110  {
 111 -       return get_sb_bdev(fs, flags, dev_name, data,
 112 -                       yaffs2_internal_read_super_mtd, mnt);
 113 +       return mount_bdev(fs, flags, dev_name, data,
 114 +               yaffs_internal_read_super_mtd);
 115  }
 116 -#else
 117 -static struct super_block *yaffs2_read_super(struct file_system_type *fs,
 118 -                                            int flags, const char *dev_name,
 119 -                                            void *data)
 120 -{
 121 -
 122 -       return get_sb_bdev(fs, flags, dev_name, data,
 123 -                          yaffs2_internal_read_super_mtd);
 124 -}
 125 -#endif
 126
 127  static struct file_system_type yaffs2_fs_type = {
 128         .owner = THIS_MODULE,
 129         .name = "yaffs2",
 130 -       .get_sb = yaffs2_read_super,
 131 +       .mount = yaffs2_read_super,
 132         .kill_sb = kill_block_super,
 133         .fs_flags = FS_REQUIRES_DEV,
 134  };
 135 -#else
 136 -static struct super_block *yaffs2_read_super(struct super_block *sb,
 137 -                                            void *data, int silent)
 138 -{
 139 -       return yaffs_internal_read_super(2, sb, data, silent);
 140 -}
 141 -
 142 -static DECLARE_FSTYPE(yaffs2_fs_type, "yaffs2", yaffs2_read_super,
 143 -                     FS_REQUIRES_DEV);
 144 -#endif
 145
 146  #endif                         /* CONFIG_YAFFS_YAFFS2 */
 147