diff options
Diffstat (limited to 'include/linux/blkdev.h')
| -rw-r--r-- | include/linux/blkdev.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 332b56f323d9..181a0deadc9e 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -269,11 +269,16 @@ static inline dev_t disk_devt(struct gendisk *disk) return MKDEV(disk->major, disk->first_minor); } +#ifdef CONFIG_TRANSPARENT_HUGEPAGE /* * We should strive for 1 << (PAGE_SHIFT + MAX_PAGECACHE_ORDER) * however we constrain this to what we can validate and test. */ #define BLK_MAX_BLOCK_SIZE SZ_64K +#else +#define BLK_MAX_BLOCK_SIZE PAGE_SIZE +#endif + /* blk_validate_limits() validates bsize, so drivers don't usually need to */ static inline int blk_validate_block_size(unsigned long bsize) @@ -1456,6 +1461,13 @@ static inline bool bdev_is_zone_start(struct block_device *bdev, return bdev_offset_from_zone_start(bdev, sector) == 0; } +/* Check whether @sector is a multiple of the zone size. */ +static inline bool bdev_is_zone_aligned(struct block_device *bdev, + sector_t sector) +{ + return bdev_is_zone_start(bdev, sector); +} + /** * bdev_zone_is_seq - check if a sector belongs to a sequential write zone * @bdev: block device to check |