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-rw-r--r--block/blk-map.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/block/blk-map.c b/block/blk-map.c
index 2990447f45e9..c7e55b23a2bc 100644
--- a/block/blk-map.c
+++ b/block/blk-map.c
@@ -150,6 +150,9 @@ int blk_rq_map_user(struct request_queue *q, struct request *rq,
bio = rq->bio;
bytes_read += ret;
ubuf += ret;
+
+ if (map_data)
+ map_data->offset += ret;
}
if (!bio_flagged(bio, BIO_USER_MAPPED))