From: Dave Chinner <dchinner@redhat.com>
Date: Wed, 18 Apr 2018 14:08:27 +1000
Subject: [PATCH] block: add blk_queue_fua() helper function
Git-commit: 0ce9144471de9ee09306ca0127e7cd27521ccc3f
Patch-mainline: v4.17-rc3
References: bsc#1104967,FATE#325924
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>
Acked-by: Hannes Reinecke <hare@suse.com>
---
include/linux/blkdev.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 9af3e0f430bc..c362aadfe036 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -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);
--
2.16.4