diff mbox

Btrfs: wake up delayed ref flushing waiters on abort

Message ID 1370879625-5136-1-git-send-email-jbacik@fusionio.com (mailing list archive)
State Accepted, archived
Headers show

Commit Message

Josef Bacik June 10, 2013, 3:53 p.m. UTC 
I hit a deadlock because we aborted when flushing delayed refs but didn't wake
any of the other flushers up and so everybody was just sleeping forever.  This
should fix the problem.  Thanks,

Signed-off-by: Josef Bacik <jbacik@fusionio.com>
---
 fs/btrfs/extent-tree.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
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Patch

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index f84d53b..ca1893e 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -2629,6 +2629,7 @@  again:
 			spin_unlock(&delayed_refs->lock);
 			btrfs_abort_transaction(trans, root, ret);
 			atomic_dec(&delayed_refs->procs_running_refs);
+			wake_up(&delayed_refs->wait);
 			return ret;
 		}