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authorJosef Bacik <jbacik@fusionio.com>2013-06-10 17:52:32 +0200
committerJosef Bacik <jbacik@fusionio.com>2013-07-01 14:52:26 +0200
commitf971fe29b14eedd4abc389593b77fbdf94ac2d59 (patch)
treee292a533e72a4e036375ea7c4e04c630c665073e /fs
parentbtrfs: fix the code comments for LZO compression workspace (diff)
downloadlinux-f971fe29b14eedd4abc389593b77fbdf94ac2d59.tar.xz
linux-f971fe29b14eedd4abc389593b77fbdf94ac2d59.zip
Btrfs: wake up delayed ref flushing waiters on abort
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>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/extent-tree.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index f84d53bc2f5d..ca1893edda52 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;
}