Lines Matching defs:dm_snapshot

47 struct dm_snapshot {  struct
48 	struct rw_semaphore lock;
50 	struct dm_dev *origin;
51 	struct dm_dev *cow;
53 	struct dm_target *ti;
56 	struct list_head list;
62 	int valid;
65 	int active;
67 	atomic_t pending_exceptions_count;
69 	mempool_t *pending_pool;
71 	struct dm_exception_table pending;
72 	struct dm_exception_table complete;
78 	spinlock_t pe_lock;
81 	spinlock_t tracked_chunk_lock;
82 	mempool_t *tracked_chunk_pool;
83 	struct hlist_head tracked_chunk_hash[DM_TRACKED_CHUNK_HASH_SIZE];
86 	struct dm_exception_store *store;
88 	struct dm_kcopyd_client *kcopyd_client;
91 	unsigned long state_bits;
94 	chunk_t first_merging_chunk;
95 	int num_merging_chunks;
128 struct dm_dev *dm_snap_origin(struct dm_snapshot *s)  in dm_snap_origin()  argument