linux-kernel - [PATCH 3.16 253/346] Btrfs: add missing blk_finish_plug in btrfs_sync

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Message-ID: <lsq.1479082460.546095329@decadent.org.uk>
Date:   Mon, 14 Nov 2016 00:14:20 +0000
From:   Ben Hutchings <ben@...adent.org.uk>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:     akpm@...ux-foundation.org, "Chris Mason" <clm@...com>,
        "David Sterba" <dsterba@...e.cz>,
        "Forrest Liu" <forrestl@...ology.com>
Subject: [PATCH 3.16 253/346] Btrfs: add missing blk_finish_plug in
 btrfs_sync_log()

3.16.39-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Forrest Liu <forrestl@...ology.com>

commit 3da5ab56482f322a9736c484db8773899c5c731b upstream.

Add missing blk_finish_plug in btrfs_sync_log()

Signed-off-by: Forrest Liu <forrestl@...ology.com>
Reviewed-by: David Sterba <dsterba@...e.cz>
Signed-off-by: Chris Mason <clm@...com>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 fs/btrfs/tree-log.c | 1 +
 1 file changed, 1 insertion(+)

--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -2600,6 +2600,7 @@ int btrfs_sync_log(struct btrfs_trans_ha
 	}
 
 	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;