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: v3.16.39~95
X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bc892cbf66a6b1af1eb8ffa9a00914ba488223b0;p=linux

Btrfs: add missing blk_finish_plug in btrfs_sync_log()

commit 3da5ab56482f322a9736c484db8773899c5c731b upstream.

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: Ben Hutchings <ben@decadent.org.uk>
---

diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 2c3fcb38068f..2f57434fd588 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -2600,6 +2600,7 @@ 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;