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| author | Christoph Hellwig <hch@lst.de> | 2022-04-15 06:52:45 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-04-17 19:49:59 -0600 |
| commit | 36d254893aa6a6e204075c3cce94bb572ac32c04 (patch) | |
| tree | b4f9198da60eca095cbb05f8fb63ad243efca2ee /include/linux/blkdev.h | |
| parent | a557e82e5a01826f902bd94fc925c03f253cb712 (diff) | |
| download | lwn-36d254893aa6a6e204075c3cce94bb572ac32c04.tar.gz lwn-36d254893aa6a6e204075c3cce94bb572ac32c04.zip | |
block: add a bdev_stable_writes helper
Add a helper to check the stable writes flag based on the block_device
instead of having to poke into the block layer internal request_queue.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20220415045258.199825-15-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux/blkdev.h')
| -rw-r--r-- | include/linux/blkdev.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 075b16d4560e..a433798c3343 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1330,6 +1330,12 @@ static inline bool bdev_nonrot(struct block_device *bdev) return blk_queue_nonrot(bdev_get_queue(bdev)); } +static inline bool bdev_stable_writes(struct block_device *bdev) +{ + return test_bit(QUEUE_FLAG_STABLE_WRITES, + &bdev_get_queue(bdev)->queue_flags); +} + static inline bool bdev_write_cache(struct block_device *bdev) { return test_bit(QUEUE_FLAG_WC, &bdev_get_queue(bdev)->queue_flags); |