blk-mq: introduce blk_rq_has_data()

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Add blk_rq_has_data(), an analogue of bio_has_data() for struct request.
This skips one dereference relative to bio_has_data(rq->bio).

Signed-off-by: Caleb Sander Mateos <csander@purestorage.com>
Reviewed-by: Ming Lei <tom.leiming@gmail.com>
Link: https://patch.msgid.link/20260513211846.1956810-2-csander@purestorage.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Caleb Sander Mateos 2026-05-13 15:18:45 -06:00 • committed by Jens Axboe

parent be34ec59ef

commit 999722b344

1 changed files with 9 additions and 0 deletions

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include/linux/blk-mq.h

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