diff options
Diffstat (limited to 'include/linux/blk-mq.h')
| -rw-r--r-- | include/linux/blk-mq.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index 1cdd2788cfa6..21cebe901ac0 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -140,6 +140,7 @@ typedef int (poll_fn)(struct blk_mq_hw_ctx *); typedef int (map_queues_fn)(struct blk_mq_tag_set *set); typedef bool (busy_fn)(struct request_queue *); typedef void (complete_fn)(struct request *); +typedef void (cleanup_rq_fn)(struct request *); struct blk_mq_ops { @@ -201,6 +202,12 @@ struct blk_mq_ops { void (*initialize_rq_fn)(struct request *rq); /* + * Called before freeing one request which isn't completed yet, + * and usually for freeing the driver private data + */ + cleanup_rq_fn *cleanup_rq; + + /* * If set, returns whether or not this queue currently is busy */ busy_fn *busy; @@ -367,4 +374,10 @@ static inline blk_qc_t request_to_qc_t(struct blk_mq_hw_ctx *hctx, BLK_QC_T_INTERNAL; } +static inline void blk_mq_cleanup_rq(struct request *rq) +{ + if (rq->q->mq_ops->cleanup_rq) + rq->q->mq_ops->cleanup_rq(rq); +} + #endif |