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-rw-r--r--drivers/md/raid1.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index cc9d337a1ed3..6df398e3a008 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -809,11 +809,15 @@ static void flush_pending_writes(struct r1conf *conf)
spin_lock_irq(&conf->device_lock);
if (conf->pending_bio_list.head) {
+ struct blk_plug plug;
struct bio *bio;
+
bio = bio_list_get(&conf->pending_bio_list);
conf->pending_count = 0;
spin_unlock_irq(&conf->device_lock);
+ blk_start_plug(&plug);
flush_bio_list(conf, bio);
+ blk_finish_plug(&plug);
} else
spin_unlock_irq(&conf->device_lock);
}