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-rw-r--r--drivers/md/raid10.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 7239079203ec..5e0b333793d5 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -669,6 +669,11 @@ static int make_request(request_queue_t *q, struct bio * bio)
int i;
int chunk_sects = conf->chunk_mask + 1;
+ if (unlikely(bio_barrier(bio))) {
+ bio_endio(bio, bio->bi_size, -EOPNOTSUPP);
+ return 0;
+ }
+
/* If this request crosses a chunk boundary, we need to
* split it. This will only happen for 1 PAGE (or less) requests.
*/
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