ldiskfs/kernel_patches/patches/ext4_ext_search_right-fix.patch

   1 Index: linux-2.6.27.21-0.1/fs/ext4/extents.c
   2 ===================================================================
   3 --- linux-2.6.27.21-0.1.orig/fs/ext4/extents.c
   4 +++ linux-2.6.27.21-0.1/fs/ext4/extents.c
   5 @@ -1119,7 +1119,8 @@ ext4_ext_search_right(struct inode *inod
   6         struct ext4_extent_idx *ix;
   7         struct ext4_extent *ex;
   8         ext4_fsblk_t block;
   9 -       int depth, ee_len;
  10 +       int depth; /* Note, NOT eh_depth; depth from top of tree */
  11 +       int ee_len;
  12
  13         BUG_ON(path == NULL);
  14         depth = path->p_depth;
  15 @@ -1176,7 +1177,8 @@ got_index:
  16                 if (bh == NULL)
  17                         return -EIO;
  18                 eh = ext_block_hdr(bh);
  19 -               if (ext4_ext_check_header(inode, eh, depth)) {
  20 +               /* subtract from p_depth to get proper eh_depth */
  21 +               if (ext4_ext_check_header(inode, eh, path->p_depth - depth)) {
  22                         put_bh(bh);
  23                         return -EIO;
  24                 }