diff options
| author | Christoph Hellwig <hch@lst.de> | 2023-05-19 06:40:46 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-05-19 19:52:29 -0600 |
| commit | 360f264834e34d08530c2fb9b67e3ffa65318761 (patch) | |
| tree | cc9a3f142802d97d9598aa8b531d7ed07f682311 /block/blk.h | |
| parent | c1075e548ce6e6b5c7b71f2b05d344164ebc52bb (diff) | |
blk-mq: defer to the normal submission path for non-flush flush commands
If blk_insert_flush decides that a command does not need to use the
flush state machine, return false and let blk_mq_submit_bio handle
it the normal way (including using an I/O scheduler) instead of doing
a bypass insert.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://lore.kernel.org/r/20230519044050.107790-4-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk.h')
| -rw-r--r-- | block/blk.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/block/blk.h b/block/blk.h index 45547bcf1119..9f171b8f1e34 100644 --- a/block/blk.h +++ b/block/blk.h @@ -269,7 +269,7 @@ bool blk_bio_list_merge(struct request_queue *q, struct list_head *list, */ #define ELV_ON_HASH(rq) ((rq)->rq_flags & RQF_HASHED) -void blk_insert_flush(struct request *rq); +bool blk_insert_flush(struct request *rq); int elevator_switch(struct request_queue *q, struct elevator_type *new_e); void elevator_disable(struct request_queue *q); |