3.10-stable review patch.  If anyone has any objections, please let me know.

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

From: Josef Bacik <jba...@fb.com>

commit 8101c8dbf6243ba517aab58d69bf1bc37d8b7b9c upstream.

It's just broken and it's taking a lot of effort to fix it, so for now just
disable it so people can defrag in peace.  Thanks,

Signed-off-by: Josef Bacik <jba...@fb.com>
Signed-off-by: Chris Mason <c...@fb.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

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

--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2655,7 +2655,7 @@ static int btrfs_finish_ordered_io(struc
                        EXTENT_DEFRAG, 1, cached_state);
        if (ret) {
                u64 last_snapshot = btrfs_root_last_snapshot(&root->root_item);
-               if (last_snapshot >= BTRFS_I(inode)->generation)
+               if (0 && last_snapshot >= BTRFS_I(inode)->generation)
                        /* the inode is shared */
                        new = record_old_file_extents(inode, ordered_extent);
 


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