drivers/md/dm-cache-metadata.c dm_cache_changed_this_transaction() -> cmd_read_lock()

Type	Parameter	Key	Value
DATA_SOURCE	0	cmd	$0
HALF_LOCKED2		&pool->lock

drivers/md/dm-cache-metadata.c dm_cache_get_free_metadata_block_count() -> cmd_read_lock()

Type	Parameter	Key	Value
DATA_SOURCE	0	cmd	$0
LOCK2		&md->io_barrier
TYPE_LOCK		(struct mapped_device)->io_barrier

drivers/md/dm-cache-metadata.c dm_cache_get_metadata_dev_size() -> cmd_read_lock()

Type	Parameter	Key	Value
PARAM_VALUE	0	cmd	4096-ptr_max
PARAM_VALUE	0	cmd->fail_io	0
DATA_SOURCE	0	cmd	$0
LOCK2		&md->io_barrier
TYPE_LOCK		(struct mapped_device)->io_barrier

drivers/md/dm-cache-metadata.c dm_cache_load_discards() -> cmd_read_lock()

Type	Parameter	Key	Value
DATA_SOURCE	0	cmd	$0
LOCK2		&md->suspend_lock
TYPE_LOCK		(struct mapped_device)->suspend_lock

drivers/md/dm-cache-metadata.c dm_cache_load_mappings() -> cmd_read_lock()

Type	Parameter	Key	Value
DATA_SOURCE	0	cmd	$0
LOCK2		&md->suspend_lock
TYPE_LOCK		(struct mapped_device)->suspend_lock

drivers/md/dm-cache-metadata.c dm_cache_metadata_clean_when_opened() -> cmd_read_lock()

Type	Parameter	Key	Value
DATA_SOURCE	0	cmd	$0
LOCK2		&md->suspend_lock
TYPE_LOCK		(struct mapped_device)->suspend_lock

drivers/md/dm-cache-metadata.c dm_cache_metadata_get_stats() -> cmd_read_lock()

Type	Parameter	Key	Value
PARAM_VALUE	0	cmd	4096-ptr_max
PARAM_VALUE	0	cmd->root_lock.osq.tail.counter	0-s32max
DATA_SOURCE	0	cmd	$0

drivers/md/dm-cache-metadata.c dm_cache_metadata_needs_check() -> cmd_read_lock()

Type	Parameter	Key	Value
PARAM_VALUE	0	cmd	4096-ptr_max
DATA_SOURCE	0	cmd	$0
HALF_LOCKED2		&md->io_barrier