btrfs_lru_cache_lookup
struct btrfs_lru_cache_entry *btrfs_lru_cache_lookup(struct btrfs_lru_cache *cache,
raw_entry = btrfs_lru_cache_lookup(&sctx->backref_cache, key, 0);
entry = btrfs_lru_cache_lookup(&sctx->name_cache, ino, gen);
entry = btrfs_lru_cache_lookup(&sctx->dir_utimes_cache, dir, gen);
if (btrfs_lru_cache_lookup(&sctx->dir_created_cache, dir, 0))