diff options
Diffstat (limited to 'include/linux/blkdev.h')
| -rw-r--r-- | include/linux/blkdev.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 4ebdcbd4..4ce43b5c 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -74,6 +74,17 @@ int blkdev_issue_discard(struct block_device *, sector_t, #define bdev_get_queue(bdev) (&((bdev)->queue)) +#ifndef SECTOR_SHIFT +#define SECTOR_SHIFT 9 +#endif +#ifndef SECTOR_SIZE +#define SECTOR_SIZE (1 << SECTOR_SHIFT) +#endif + +#define PAGE_SECTORS_SHIFT (PAGE_SHIFT - SECTOR_SHIFT) +#define PAGE_SECTORS (1 << PAGE_SECTORS_SHIFT) +#define SECTOR_MASK (PAGE_SECTORS - 1) + #define blk_queue_discard(q) ((void) (q), 0) #define blk_queue_nonrot(q) ((void) (q), 0) |