block: add blk_queue_fua() helper function

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So we can check FUA support status from the iomap direct IO code.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Dave Chinner 2018-04-18 14:08:27 +10:00 • committed by Jens Axboe

parent 9de4ee4054

commit 0ce9144471

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include/linux/blkdev.h

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