From: Mike Snitzer <[email protected]> [BF: - Killed wrapper functions. - Condensed to single bdev op.]
Signed-off-by: Mike Snitzer <[email protected]> --- include/linux/blkdev.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 669e419..6c6ea96 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1650,6 +1650,10 @@ struct blk_dax_ctl { pfn_t pfn; }; +#define BDEV_RES_GET 0 +#define BDEV_RES_MOD (1 << 0) +#define BDEV_RES_PROVISION (1 << 1) + struct block_device_operations { int (*open) (struct block_device *, fmode_t); void (*release) (struct gendisk *, fmode_t); @@ -1667,6 +1671,8 @@ struct block_device_operations { int (*getgeo)(struct block_device *, struct hd_geometry *); /* this callback is with swap_lock and sometimes page table lock held */ void (*swap_slot_free_notify) (struct block_device *, unsigned long); + int (*reserve_space) (struct block_device *, int, sector_t, sector_t, + sector_t *); struct module *owner; const struct pr_ops *pr_ops; }; -- 2.4.11 -- dm-devel mailing list [email protected] https://www.redhat.com/mailman/listinfo/dm-devel
