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Subject[patch 01/45] XFS: corruption fix
-stable review patch.  If anyone has any objections, please let us know.


From: Mandy Kirkconnell <>

Fix nused counter. It's currently getting set to -1 rather than getting
decremented by 1. Since nused never reaches 0, the "if (!free->hdr.nused)"
check in xfs_dir2_leafn_remove() fails every time and xfs_dir2_shrink_inode()
doesn't get called when it should. This causes extra blocks to be left on
an empty directory and the directory in unable to be converted back to
inline extent mode.

Signed-off-by: Mandy Kirkconnell <>
Signed-off-by: Nathan Scott <>
Signed-off-by: Chris Wright <>
Signed-off-by: Greg Kroah-Hartman <>

fs/xfs/xfs_dir2_node.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-
+++ linux-
@@ -970,7 +970,7 @@ xfs_dir2_leafn_remove(
* One less used entry in the free table.
- free->hdr.nused = cpu_to_be32(-1);
+ be32_add(&free->hdr.nused, -1);
xfs_dir2_free_log_header(tp, fbp);
* If this was the last entry in the table, we can
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