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block: export blk_rq_is_poll

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This is in preparation to support iopoll for nvme passthrough.

Signed-off-by: Kanchan Joshi <joshi.k@samsung.com>
Link: https://lore.kernel.org/r/20220823161443.49436-4-joshi.k@samsung.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Kanchan Joshi 2022-08-23 21:44:42 +05:30 committed by Jens Axboe
parent 5756a3a7e7
commit c6e99ea482
2 changed files with 3 additions and 1 deletions
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3
block/blk-mq.c
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@ -1233,7 +1233,7 @@ static void blk_end_sync_rq(struct request *rq, blk_status_t ret)
complete(&wait->done); complete(&wait->done);
} }
static bool blk_rq_is_poll(struct request *rq) bool blk_rq_is_poll(struct request *rq)
{ {
if (!rq->mq_hctx) if (!rq->mq_hctx)
return false; return false;
@ -1243,6 +1243,7 @@ static bool blk_rq_is_poll(struct request *rq)
return false; return false;
return true; return true;
} }
EXPORT_SYMBOL_GPL(blk_rq_is_poll);
static void blk_rq_poll_completion(struct request *rq, struct completion *wait) static void blk_rq_poll_completion(struct request *rq, struct completion *wait)
{ {

1
include/linux/blk-mq.h
View File

@ -980,6 +980,7 @@ int blk_rq_map_kern(struct request_queue *, struct request *, void *,
int blk_rq_append_bio(struct request *rq, struct bio *bio); int blk_rq_append_bio(struct request *rq, struct bio *bio);
void blk_execute_rq_nowait(struct request *rq, bool at_head); void blk_execute_rq_nowait(struct request *rq, bool at_head);
blk_status_t blk_execute_rq(struct request *rq, bool at_head); blk_status_t blk_execute_rq(struct request *rq, bool at_head);
bool blk_rq_is_poll(struct request *rq);
struct req_iterator { struct req_iterator {
struct bvec_iter iter; struct bvec_iter iter;