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Diffstat (limited to 'drivers/md/raid6main.c')
-rw-r--r--drivers/md/raid6main.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/md/raid6main.c b/drivers/md/raid6main.c
index 495dee1d1e8..09cb7272c09 100644
--- a/drivers/md/raid6main.c
+++ b/drivers/md/raid6main.c
@@ -1570,6 +1570,11 @@ static int make_request (request_queue_t *q, struct bio * bi)
sector_t logical_sector, last_sector;
struct stripe_head *sh;
+ if (unlikely(bio_barrier(bi))) {
+ bio_endio(bi, bi->bi_size, -EOPNOTSUPP);
+ return 0;
+ }
+
md_write_start(mddev, bi);
if (bio_data_dir(bi)==WRITE) {