superblock_lock_zero  244 drivers/md/dm-cache-metadata.c static int superblock_lock_zero(struct dm_cache_metadata *cmd,
superblock_lock_zero  307 drivers/md/dm-era-target.c static int superblock_lock_zero(struct era_metadata *md,
superblock_lock_zero  411 drivers/md/dm-thin-metadata.c static int superblock_lock_zero(struct dm_pool_metadata *pmd,