diff options
| author | Christoph Hellwig <hch@lst.de> | 2026-02-23 16:20:03 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2026-03-09 16:47:02 +0300 |
| commit | 7afe93946dff63aa57c6db81f5eb43ac8233364e (patch) | |
| tree | 3d630ea564e1ac0edaefd53d5519419e1d97b0eb | |
| parent | a936655697cd8d1bab2fd5189e2c33dd6356a266 (diff) | |
| download | linux-7afe93946dff63aa57c6db81f5eb43ac8233364e.tar.xz | |
block: add a bdev_has_integrity_csum helper
Factor out a helper to see if the block device has an integrity checksum
from bdev_stable_writes so that it can be reused for other checks.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Anuj Gupta <anuj20.g@samsung.com>
Reviewed-by: Kanchan Joshi <joshi.k@samsung.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Tested-by: Anuj Gupta <anuj20.g@samsung.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | include/linux/blkdev.h | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index d463b9b5a0a5..dec0acaed6e6 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1477,14 +1477,18 @@ static inline bool bdev_synchronous(struct block_device *bdev) return bdev->bd_disk->queue->limits.features & BLK_FEAT_SYNCHRONOUS; } -static inline bool bdev_stable_writes(struct block_device *bdev) +static inline bool bdev_has_integrity_csum(struct block_device *bdev) { - struct request_queue *q = bdev_get_queue(bdev); + struct queue_limits *lim = bdev_limits(bdev); - if (IS_ENABLED(CONFIG_BLK_DEV_INTEGRITY) && - q->limits.integrity.csum_type != BLK_INTEGRITY_CSUM_NONE) - return true; - return q->limits.features & BLK_FEAT_STABLE_WRITES; + return IS_ENABLED(CONFIG_BLK_DEV_INTEGRITY) && + lim->integrity.csum_type != BLK_INTEGRITY_CSUM_NONE; +} + +static inline bool bdev_stable_writes(struct block_device *bdev) +{ + return bdev_has_integrity_csum(bdev) || + (bdev_limits(bdev)->features & BLK_FEAT_STABLE_WRITES); } static inline bool blk_queue_write_cache(struct request_queue *q) |