diff options
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/dm-bio-prison-v1.c | 2 | ||||
| -rw-r--r-- | drivers/md/dm-bio-prison-v2.c | 2 | ||||
| -rw-r--r-- | drivers/md/dm-cache-target.c | 61 | ||||
| -rw-r--r-- | drivers/md/dm-core.h | 38 | ||||
| -rw-r--r-- | drivers/md/dm-crypt.c | 26 | ||||
| -rw-r--r-- | drivers/md/dm-kcopyd.c | 3 | ||||
| -rw-r--r-- | drivers/md/dm-region-hash.c | 13 | ||||
| -rw-r--r-- | drivers/md/dm-thin.c | 5 | ||||
| -rw-r--r-- | drivers/md/dm-zoned-target.c | 2 |
9 files changed, 79 insertions, 73 deletions
diff --git a/drivers/md/dm-bio-prison-v1.c b/drivers/md/dm-bio-prison-v1.c index e794e3662fdd..b5389890bbc3 100644 --- a/drivers/md/dm-bio-prison-v1.c +++ b/drivers/md/dm-bio-prison-v1.c @@ -19,8 +19,8 @@ struct dm_bio_prison { spinlock_t lock; - mempool_t cell_pool; struct rb_root cells; + mempool_t cell_pool; }; static struct kmem_cache *_cell_cache; diff --git a/drivers/md/dm-bio-prison-v2.c b/drivers/md/dm-bio-prison-v2.c index f866bc97b032..b092cdc8e1ae 100644 --- a/drivers/md/dm-bio-prison-v2.c +++ b/drivers/md/dm-bio-prison-v2.c @@ -21,8 +21,8 @@ struct dm_bio_prison_v2 { struct workqueue_struct *wq; spinlock_t lock; - mempool_t cell_pool; struct rb_root cells; + mempool_t cell_pool; }; static struct kmem_cache *_cell_cache; diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c index 001c71248246..ce14a3d1f609 100644 --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -371,7 +371,13 @@ struct cache_stats { struct cache { struct dm_target *ti; - struct dm_target_callbacks callbacks; + spinlock_t lock; + + /* + * Fields for converting from sectors to blocks. + */ + int sectors_per_block_shift; + sector_t sectors_per_block; struct dm_cache_metadata *cmd; @@ -402,13 +408,11 @@ struct cache { dm_cblock_t cache_size; /* - * Fields for converting from sectors to blocks. + * Invalidation fields. */ - sector_t sectors_per_block; - int sectors_per_block_shift; + spinlock_t invalidation_lock; + struct list_head invalidation_requests; - spinlock_t lock; - struct bio_list deferred_bios; sector_t migration_threshold; wait_queue_head_t migration_wait; atomic_t nr_allocated_migrations; @@ -419,13 +423,11 @@ struct cache { */ atomic_t nr_io_migrations; + struct bio_list deferred_bios; + struct rw_semaphore quiesce_lock; - /* - * cache_size entries, dirty if set - */ - atomic_t nr_dirty; - unsigned long *dirty_bitset; + struct dm_target_callbacks callbacks; /* * origin_blocks entries, discarded if set. @@ -442,17 +444,27 @@ struct cache { const char **ctr_args; struct dm_kcopyd_client *copier; - struct workqueue_struct *wq; struct work_struct deferred_bio_worker; struct work_struct migration_worker; + struct workqueue_struct *wq; struct delayed_work waker; struct dm_bio_prison_v2 *prison; - struct bio_set bs; - mempool_t migration_pool; + /* + * cache_size entries, dirty if set + */ + unsigned long *dirty_bitset; + atomic_t nr_dirty; - struct dm_cache_policy *policy; unsigned policy_nr_args; + struct dm_cache_policy *policy; + + /* + * Cache features such as write-through. + */ + struct cache_features features; + + struct cache_stats stats; bool need_tick_bio:1; bool sized:1; @@ -461,25 +473,16 @@ struct cache { bool loaded_mappings:1; bool loaded_discards:1; - /* - * Cache features such as write-through. - */ - struct cache_features features; - - struct cache_stats stats; + struct rw_semaphore background_work_lock; - /* - * Invalidation fields. - */ - spinlock_t invalidation_lock; - struct list_head invalidation_requests; + struct batcher committer; + struct work_struct commit_ws; struct io_tracker tracker; - struct work_struct commit_ws; - struct batcher committer; + mempool_t migration_pool; - struct rw_semaphore background_work_lock; + struct bio_set bs; }; struct per_bio_data { diff --git a/drivers/md/dm-core.h b/drivers/md/dm-core.h index f21c5d21bf1b..7d480c930eaf 100644 --- a/drivers/md/dm-core.h +++ b/drivers/md/dm-core.h @@ -31,6 +31,9 @@ struct dm_kobject_holder { struct mapped_device { struct mutex suspend_lock; + struct mutex table_devices_lock; + struct list_head table_devices; + /* * The current mapping (struct dm_table *). * Use dm_get_live_table{_fast} or take suspend_lock for @@ -38,17 +41,14 @@ struct mapped_device { */ void __rcu *map; - struct list_head table_devices; - struct mutex table_devices_lock; - unsigned long flags; - struct request_queue *queue; - int numa_node_id; - - enum dm_queue_mode type; /* Protect queue and type against concurrent access. */ struct mutex type_lock; + enum dm_queue_mode type; + + int numa_node_id; + struct request_queue *queue; atomic_t holders; atomic_t open_count; @@ -56,21 +56,21 @@ struct mapped_device { struct dm_target *immutable_target; struct target_type *immutable_target_type; + char name[16]; struct gendisk *disk; struct dax_device *dax_dev; - char name[16]; - - void *interface_ptr; /* * A list of ios that arrived while we were suspended. */ - atomic_t pending[2]; - wait_queue_head_t wait; struct work_struct work; + wait_queue_head_t wait; + atomic_t pending[2]; spinlock_t deferred_lock; struct bio_list deferred; + void *interface_ptr; + /* * Event handling. */ @@ -84,17 +84,17 @@ struct mapped_device { unsigned internal_suspend_count; /* - * Processing queue (flush) - */ - struct workqueue_struct *wq; - - /* * io objects are allocated from here. */ struct bio_set io_bs; struct bio_set bs; /* + * Processing queue (flush) + */ + struct workqueue_struct *wq; + + /* * freeze/thaw support require holding onto a super block */ struct super_block *frozen_sb; @@ -102,11 +102,11 @@ struct mapped_device { /* forced geometry settings */ struct hd_geometry geometry; - struct block_device *bdev; - /* kobject and completion */ struct dm_kobject_holder kobj_holder; + struct block_device *bdev; + /* zero-length flush that will be cloned and submitted to targets */ struct bio flush_bio; diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index da02f4d8e4b9..4939fbc34ff2 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -139,25 +139,13 @@ struct crypt_config { struct dm_dev *dev; sector_t start; - /* - * pool for per bio private data, crypto requests, - * encryption requeusts/buffer pages and integrity tags - */ - mempool_t req_pool; - mempool_t page_pool; - mempool_t tag_pool; - unsigned tag_pool_max_sectors; - struct percpu_counter n_allocated_pages; - struct bio_set bs; - struct mutex bio_alloc_lock; - struct workqueue_struct *io_queue; struct workqueue_struct *crypt_queue; - struct task_struct *write_thread; wait_queue_head_t write_thread_wait; + struct task_struct *write_thread; struct rb_root write_tree; char *cipher; @@ -213,6 +201,18 @@ struct crypt_config { unsigned int integrity_iv_size; unsigned int on_disk_tag_size; + /* + * pool for per bio private data, crypto requests, + * encryption requeusts/buffer pages and integrity tags + */ + unsigned tag_pool_max_sectors; + mempool_t tag_pool; + mempool_t req_pool; + mempool_t page_pool; + + struct bio_set bs; + struct mutex bio_alloc_lock; + u8 *authenc_key; /* space for keys in authenc() format (if used) */ u8 key[0]; }; diff --git a/drivers/md/dm-kcopyd.c b/drivers/md/dm-kcopyd.c index ce7efc7434be..3c7547a3c371 100644 --- a/drivers/md/dm-kcopyd.c +++ b/drivers/md/dm-kcopyd.c @@ -45,7 +45,6 @@ struct dm_kcopyd_client { struct dm_io_client *io_client; wait_queue_head_t destroyq; - atomic_t nr_jobs; mempool_t job_pool; @@ -54,6 +53,8 @@ struct dm_kcopyd_client { struct dm_kcopyd_throttle *throttle; + atomic_t nr_jobs; + /* * We maintain three lists of jobs: * diff --git a/drivers/md/dm-region-hash.c b/drivers/md/dm-region-hash.c index abf3521b80a8..c832ec398f02 100644 --- a/drivers/md/dm-region-hash.c +++ b/drivers/md/dm-region-hash.c @@ -63,27 +63,28 @@ struct dm_region_hash { /* hash table */ rwlock_t hash_lock; - mempool_t region_pool; unsigned mask; unsigned nr_buckets; unsigned prime; unsigned shift; struct list_head *buckets; + /* + * If there was a flush failure no regions can be marked clean. + */ + int flush_failure; + unsigned max_recovery; /* Max # of regions to recover in parallel */ spinlock_t region_lock; atomic_t recovery_in_flight; - struct semaphore recovery_count; struct list_head clean_regions; struct list_head quiesced_regions; struct list_head recovered_regions; struct list_head failed_recovered_regions; + struct semaphore recovery_count; - /* - * If there was a flush failure no regions can be marked clean. - */ - int flush_failure; + mempool_t region_pool; void *context; sector_t target_begin; diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index 5772756c63c1..6cf9c9364103 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -240,9 +240,9 @@ struct pool { struct dm_bio_prison *prison; struct dm_kcopyd_client *copier; + struct work_struct worker; struct workqueue_struct *wq; struct throttle throttle; - struct work_struct worker; struct delayed_work waker; struct delayed_work no_space_timeout; @@ -260,7 +260,6 @@ struct pool { struct dm_deferred_set *all_io_ds; struct dm_thin_new_mapping *next_mapping; - mempool_t mapping_pool; process_bio_fn process_bio; process_bio_fn process_discard; @@ -273,6 +272,8 @@ struct pool { process_mapping_fn process_prepared_discard_pt2; struct dm_bio_prison_cell **cell_sort_array; + + mempool_t mapping_pool; }; static enum pool_mode get_pool_mode(struct pool *pool); diff --git a/drivers/md/dm-zoned-target.c b/drivers/md/dm-zoned-target.c index 30602d15ad9a..3c0e45f4dcf5 100644 --- a/drivers/md/dm-zoned-target.c +++ b/drivers/md/dm-zoned-target.c @@ -52,9 +52,9 @@ struct dmz_target { struct dmz_reclaim *reclaim; /* For chunk work */ - struct mutex chunk_lock; struct radix_tree_root chunk_rxtree; struct workqueue_struct *chunk_wq; + struct mutex chunk_lock; /* For cloned BIOs to zones */ struct bio_set bio_set; |