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Subject[PATCH 3.10 101/104] Btrfs: handle EAGAIN case properly in btrfs_drop_snapshot()
Date
3.10-stable review patch.  If anyone has any objections, please let me know.

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

From: Wang Shilong <wangsl.fnst@cn.fujitsu.com>

commit 90515e7f5d7d24cbb2a4038a3f1b5cfa2921aa17 upstream.

We may return early in btrfs_drop_snapshot(), we shouldn't
call btrfs_std_err() for this case, fix it.

Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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

--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -7491,7 +7491,7 @@ out:
*/
if (root_dropped == false)
btrfs_add_dead_root(root);
- if (err)
+ if (err && err != -EAGAIN)
btrfs_std_error(root->fs_info, err);
return err;
}



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