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Btrfs: don't BUG_ON() if we get an error walking backrefs

Message ID 1383667968-6420-1-git-send-email-jbacik@fusionio.com (mailing list archive)
State Accepted, archived
Headers show

Commit Message

Josef Bacik Nov. 5, 2013, 4:12 p.m. UTC 
We can just return false for this so we stop doing the snapshot aware defrag
stuff.  Thanks,

Signed-off-by: Josef Bacik <jbacik@fusionio.com>
---
 fs/btrfs/inode.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index f167ced..aa67387 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2129,7 +2129,8 @@  static noinline bool record_extent_backrefs(struct btrfs_path *path,
 						  old->extent_offset, fs_info,
 						  path, record_one_backref,
 						  old);
-		BUG_ON(ret < 0 && ret != -ENOENT);
+		if (ret < 0 && ret != -ENOENT)
+			return false;
 
 		/* no backref to be processed for this extent */
 		if (!old->count) {