diff options
Diffstat (limited to 'drivers/md/persistent-data/dm-block-manager.h')
| -rw-r--r-- | drivers/md/persistent-data/dm-block-manager.h | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/md/persistent-data/dm-block-manager.h b/drivers/md/persistent-data/dm-block-manager.h index f706d3de8d5a..b1998968594c 100644 --- a/drivers/md/persistent-data/dm-block-manager.h +++ b/drivers/md/persistent-data/dm-block-manager.h @@ -51,12 +51,14 @@ dm_block_t dm_bm_nr_blocks(struct dm_block_manager *bm); */ struct dm_block_validator { const char *name; - void (*prepare_for_write)(struct dm_block_validator *v, struct dm_block *b, size_t block_size); + void (*prepare_for_write)(const struct dm_block_validator *v, + struct dm_block *b, size_t block_size); /* * Return 0 if the checksum is valid or < 0 on error. */ - int (*check)(struct dm_block_validator *v, struct dm_block *b, size_t block_size); + int (*check)(const struct dm_block_validator *v, + struct dm_block *b, size_t block_size); }; /*----------------------------------------------------------------*/ @@ -73,11 +75,11 @@ struct dm_block_validator { * written back to the disk sometime after dm_bm_unlock is called. */ int dm_bm_read_lock(struct dm_block_manager *bm, dm_block_t b, - struct dm_block_validator *v, + const struct dm_block_validator *v, struct dm_block **result); int dm_bm_write_lock(struct dm_block_manager *bm, dm_block_t b, - struct dm_block_validator *v, + const struct dm_block_validator *v, struct dm_block **result); /* @@ -85,7 +87,7 @@ int dm_bm_write_lock(struct dm_block_manager *bm, dm_block_t b, * available immediately. */ int dm_bm_read_try_lock(struct dm_block_manager *bm, dm_block_t b, - struct dm_block_validator *v, + const struct dm_block_validator *v, struct dm_block **result); /* @@ -93,7 +95,7 @@ int dm_bm_read_try_lock(struct dm_block_manager *bm, dm_block_t b, * overwrite the block completely. It saves a disk read. */ int dm_bm_write_lock_zero(struct dm_block_manager *bm, dm_block_t b, - struct dm_block_validator *v, + const struct dm_block_validator *v, struct dm_block **result); void dm_bm_unlock(struct dm_block *b); |