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-rw-r--r--block/blk-map.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/block/blk-map.c b/block/blk-map.c
index 0b1af5a3537..813011ef827 100644
--- a/block/blk-map.c
+++ b/block/blk-map.c
@@ -210,6 +210,7 @@ int blk_rq_map_user_iov(struct request_queue *q, struct request *rq,
if (!bio_flagged(bio, BIO_USER_MAPPED))
rq->cmd_flags |= REQ_COPY_USER;
+ blk_queue_bounce(q, &bio);
bio_get(bio);
blk_rq_bio_prep(q, rq, bio);
rq->buffer = rq->data = NULL;