diff options
Diffstat (limited to 'block/blk.h')
| -rw-r--r-- | block/blk.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/block/blk.h b/block/blk.h index e835f21d48af..cc4e8873dfde 100644 --- a/block/blk.h +++ b/block/blk.h @@ -156,6 +156,13 @@ static inline bool blk_discard_mergable(struct request *req) return false; } +static inline unsigned int blk_rq_get_max_segments(struct request *rq) +{ + if (req_op(rq) == REQ_OP_DISCARD) + return queue_max_discard_segments(rq->q); + return queue_max_segments(rq->q); +} + static inline unsigned int blk_queue_get_max_sectors(struct request_queue *q, enum req_op op) { |