diff options
Diffstat (limited to 'fs/bcachefs/btree_cache.h')
| -rw-r--r-- | fs/bcachefs/btree_cache.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/bcachefs/btree_cache.h b/fs/bcachefs/btree_cache.h index 649e9dfd178a..035b2cb25077 100644 --- a/fs/bcachefs/btree_cache.h +++ b/fs/bcachefs/btree_cache.h @@ -144,6 +144,14 @@ static inline struct btree *btree_node_root(struct bch_fs *c, struct btree *b) return r ? r->b : NULL; } +static inline bool btree_node_is_root(struct bch_fs *c, struct btree *b) +{ + struct btree *root = btree_node_root(c, b); + + BUG_ON(b != root && b->c.level >= root->c.level); + return b == root; +} + const char *bch2_btree_id_str(enum btree_id); /* avoid */ void bch2_btree_id_to_text(struct printbuf *, enum btree_id); void bch2_btree_id_level_to_text(struct printbuf *, enum btree_id, unsigned); |