block: exit elv_iosched_show early when I/O schedulers are not supported

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If the tag_set has BLK_MQ_F_NO_SCHED flag set we will never show any
scheduler, so exit early.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20221030100714.876891-4-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Christoph Hellwig 2022-10-30 11:07:10 +01:00 • committed by Jens Axboe

parent 81eaca442e

commit aae2a643f5

1 changed files with 2 additions and 3 deletions

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block/elevator.c

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