diff options
Diffstat (limited to 'drivers/md/dm-cache-policy-internal.h')
| -rw-r--r-- | drivers/md/dm-cache-policy-internal.h | 76 |
1 files changed, 38 insertions, 38 deletions
diff --git a/drivers/md/dm-cache-policy-internal.h b/drivers/md/dm-cache-policy-internal.h index 808ee0e2b2c4..56f0a23f698c 100644 --- a/drivers/md/dm-cache-policy-internal.h +++ b/drivers/md/dm-cache-policy-internal.h @@ -12,70 +12,65 @@ /*----------------------------------------------------------------*/ -/* - * Little inline functions that simplify calling the policy methods. - */ -static inline int policy_map(struct dm_cache_policy *p, dm_oblock_t oblock, - bool can_block, bool can_migrate, bool discarded_oblock, - struct bio *bio, struct policy_locker *locker, - struct policy_result *result) +static inline int policy_lookup(struct dm_cache_policy *p, dm_oblock_t oblock, dm_cblock_t *cblock, + int data_dir, bool fast_copy, bool *background_queued) { - return p->map(p, oblock, can_block, can_migrate, discarded_oblock, bio, locker, result); + return p->lookup(p, oblock, cblock, data_dir, fast_copy, background_queued); } -static inline int policy_lookup(struct dm_cache_policy *p, dm_oblock_t oblock, dm_cblock_t *cblock) +static inline int policy_lookup_with_work(struct dm_cache_policy *p, + dm_oblock_t oblock, dm_cblock_t *cblock, + int data_dir, bool fast_copy, + struct policy_work **work) { - BUG_ON(!p->lookup); - return p->lookup(p, oblock, cblock); -} + if (!p->lookup_with_work) { + *work = NULL; + return p->lookup(p, oblock, cblock, data_dir, fast_copy, NULL); + } -static inline void policy_set_dirty(struct dm_cache_policy *p, dm_oblock_t oblock) -{ - if (p->set_dirty) - p->set_dirty(p, oblock); + return p->lookup_with_work(p, oblock, cblock, data_dir, fast_copy, work); } -static inline void policy_clear_dirty(struct dm_cache_policy *p, dm_oblock_t oblock) +static inline int policy_get_background_work(struct dm_cache_policy *p, + bool idle, struct policy_work **result) { - if (p->clear_dirty) - p->clear_dirty(p, oblock); + return p->get_background_work(p, idle, result); } -static inline int policy_load_mapping(struct dm_cache_policy *p, - dm_oblock_t oblock, dm_cblock_t cblock, - uint32_t hint, bool hint_valid) +static inline void policy_complete_background_work(struct dm_cache_policy *p, + struct policy_work *work, + bool success) { - return p->load_mapping(p, oblock, cblock, hint, hint_valid); + return p->complete_background_work(p, work, success); } -static inline uint32_t policy_get_hint(struct dm_cache_policy *p, - dm_cblock_t cblock) +static inline void policy_set_dirty(struct dm_cache_policy *p, dm_cblock_t cblock) { - return p->get_hint ? p->get_hint(p, cblock) : 0; + p->set_dirty(p, cblock); } -static inline int policy_writeback_work(struct dm_cache_policy *p, - dm_oblock_t *oblock, - dm_cblock_t *cblock, - bool critical_only) +static inline void policy_clear_dirty(struct dm_cache_policy *p, dm_cblock_t cblock) { - return p->writeback_work ? p->writeback_work(p, oblock, cblock, critical_only) : -ENOENT; + p->clear_dirty(p, cblock); } -static inline void policy_remove_mapping(struct dm_cache_policy *p, dm_oblock_t oblock) +static inline int policy_load_mapping(struct dm_cache_policy *p, + dm_oblock_t oblock, dm_cblock_t cblock, + bool dirty, uint32_t hint, bool hint_valid) { - p->remove_mapping(p, oblock); + return p->load_mapping(p, oblock, cblock, dirty, hint, hint_valid); } -static inline int policy_remove_cblock(struct dm_cache_policy *p, dm_cblock_t cblock) +static inline int policy_invalidate_mapping(struct dm_cache_policy *p, + dm_cblock_t cblock) { - return p->remove_cblock(p, cblock); + return p->invalidate_mapping(p, cblock); } -static inline void policy_force_mapping(struct dm_cache_policy *p, - dm_oblock_t current_oblock, dm_oblock_t new_oblock) +static inline uint32_t policy_get_hint(struct dm_cache_policy *p, + dm_cblock_t cblock) { - return p->force_mapping(p, current_oblock, new_oblock); + return p->get_hint ? p->get_hint(p, cblock) : 0; } static inline dm_cblock_t policy_residency(struct dm_cache_policy *p) @@ -107,6 +102,11 @@ static inline int policy_set_config_value(struct dm_cache_policy *p, return p->set_config_value ? p->set_config_value(p, key, value) : -EINVAL; } +static inline void policy_allow_migrations(struct dm_cache_policy *p, bool allow) +{ + return p->allow_migrations(p, allow); +} + /*----------------------------------------------------------------*/ /* |