superblock_read_lock  237 drivers/md/dm-cache-metadata.c static int superblock_read_lock(struct dm_cache_metadata *cmd,
superblock_read_lock  273 drivers/md/dm-clone-metadata.c static inline int superblock_read_lock(struct dm_clone_metadata *cmd,
superblock_read_lock  300 drivers/md/dm-era-target.c static int superblock_read_lock(struct era_metadata *md,