From: Forrest Liu <forrestl@synology.com>
Date: Fri, 30 Jan 2015 11:42:12 +0000 (+0800)
Subject: Btrfs: add missing blk_finish_plug in btrfs_sync_log()
X-Git-Tag: v3.18.43~59
X-Git-Url: http://git.ipfire.org/gitweb/?a=commitdiff_plain;h=a55325e134ecca559da21385d64fa9eef3e6cefe;p=thirdparty%2Fkernel%2Fstable.git

Btrfs: add missing blk_finish_plug in btrfs_sync_log()

[ Upstream commit 3da5ab56482f322a9736c484db8773899c5c731b ]

Add missing blk_finish_plug in btrfs_sync_log()

Signed-off-by: Forrest Liu <forrestl@synology.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
---

diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index f6c20cf6090eb..0b976fa1dae6a 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -2604,6 +2604,7 @@ int btrfs_sync_log(struct btrfs_trans_handle *trans,
 	}
 
 	if (log_root_tree->log_transid_committed >= root_log_ctx.log_transid) {
+		blk_finish_plug(&plug);
 		mutex_unlock(&log_root_tree->log_mutex);
 		ret = root_log_ctx.log_ret;
 		goto out;