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From: Greg KH on 30 Jul 2010 13:40
2.6.32-stable review patch. If anyone has any objections, please let us know.

------------------

commit c4caae25187ff3f5e837c6f04eb1acc2723c72d3 upstream (as of v2.6.34-rc3)

When used_dirs was introduced for the flex_groups struct, it looks
like the accounting was not put into place properly, in some places
manipulating free_inodes rather than used_dirs.

Signed-off-by: Eric Sandeen <sandeen(a)redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso(a)mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)suse.de>
---
fs/ext4/ialloc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -268,7 +268,7 @@ void ext4_free_inode(handle_t *handle, s
ext4_group_t f;

f = ext4_flex_group(sbi, block_group);
- atomic_dec(&sbi->s_flex_groups[f].free_inodes);
+ atomic_dec(&sbi->s_flex_groups[f].used_dirs);
}

}
@@ -779,7 +779,7 @@ static int ext4_claim_inode(struct super
if (sbi->s_log_groups_per_flex) {
ext4_group_t f = ext4_flex_group(sbi, group);

- atomic_inc(&sbi->s_flex_groups[f].free_inodes);
+ atomic_inc(&sbi->s_flex_groups[f].used_dirs);
}
}
gdp->bg_checksum = ext4_group_desc_csum(sbi, group, gdp);


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