From 2f5a65ef30a636d5030917eebd283ac447a212af Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Tue, 29 Oct 2024 15:19:37 +0100 Subject: block: add a bdev_limits helper Add a helper to get the queue_limits from the bdev without having to poke into the request_queue. Signed-off-by: Christoph Hellwig Reviewed-by: John Garry Link: https://lore.kernel.org/r/20241029141937.249920-1-hch@lst.de Signed-off-by: Jens Axboe --- include/linux/blkdev.h | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) (limited to 'include/linux') diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index d0a52ed05e60..7bfc877e159e 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1159,6 +1159,11 @@ enum blk_default_limits { */ #define BLK_DEF_MAX_SECTORS_CAP 2560u +static inline struct queue_limits *bdev_limits(struct block_device *bdev) +{ + return &bdev_get_queue(bdev)->limits; +} + static inline unsigned long queue_segment_boundary(const struct request_queue *q) { return q->limits.seg_boundary_mask; @@ -1293,23 +1298,23 @@ unsigned int bdev_discard_alignment(struct block_device *bdev); static inline unsigned int bdev_max_discard_sectors(struct block_device *bdev) { - return bdev_get_queue(bdev)->limits.max_discard_sectors; + return bdev_limits(bdev)->max_discard_sectors; } static inline unsigned int bdev_discard_granularity(struct block_device *bdev) { - return bdev_get_queue(bdev)->limits.discard_granularity; + return bdev_limits(bdev)->discard_granularity; } static inline unsigned int bdev_max_secure_erase_sectors(struct block_device *bdev) { - return bdev_get_queue(bdev)->limits.max_secure_erase_sectors; + return bdev_limits(bdev)->max_secure_erase_sectors; } static inline unsigned int bdev_write_zeroes_sectors(struct block_device *bdev) { - return bdev_get_queue(bdev)->limits.max_write_zeroes_sectors; + return bdev_limits(bdev)->max_write_zeroes_sectors; } static inline bool bdev_nonrot(struct block_device *bdev) @@ -1345,7 +1350,7 @@ static inline bool bdev_write_cache(struct block_device *bdev) static inline bool bdev_fua(struct block_device *bdev) { - return bdev_get_queue(bdev)->limits.features & BLK_FEAT_FUA; + return bdev_limits(bdev)->features & BLK_FEAT_FUA; } static inline bool bdev_nowait(struct block_device *bdev) -- cgit v1.2.3