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[1/4] block: add blk_queue_fua() helper function

Message ID 20210305174051.20097-2-tim.gardner@canonical.com
State New
Headers show
Series Add FUA support to XFS | expand

Commit Message

Tim Gardner March 5, 2021, 5:40 p.m. UTC 
From: Dave Chinner <dchinner@redhat.com>

BugLink: https://bugs.launchpad.net/bugs/1917918

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>
(cherry picked from commit 0ce9144471de9ee09306ca0127e7cd27521ccc3f)
Signed-off-by: Marcelo Henrique Cerri <marcelo.cerri@canonical.com>
Tested-by: Tim Gardner <tim.gardner@canonical.com>
---
 include/linux/blkdev.h | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 9eb91f690322..cbf8a17ae692 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -753,6 +753,7 @@  static inline void queue_flag_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);