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Commit 0ce91444 authored by Dave Chinner's avatar Dave Chinner Committed by Jens Axboe
Browse files

block: add blk_queue_fua() helper function 



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

Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarDave Chinner <dchinner@redhat.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 9de4ee40

include/linux/blkdev.h

+1 −0
Original line number Diff line number Diff line
@@ -737,6 +737,7 @@ bool blk_queue_flag_test_and_clear(unsigned int flag, struct request_queue *q); 
#define blk_queue_quiesced(q)	test_bit(QUEUE_FLAG_QUIESCED, &(q)->queue_flags)

#define blk_queue_preempt_only(q)				\

	test_bit(QUEUE_FLAG_PREEMPT_ONLY, &(q)->queue_flags)

#define blk_queue_fua(q)	test_bit(QUEUE_FLAG_FUA, &(q)->queue_flags)



extern int blk_set_preempt_only(struct request_queue *q);

extern void blk_clear_preempt_only(struct request_queue *q);