diff options
Diffstat (limited to 'libbcachefs/subvolume.h')
| -rw-r--r-- | libbcachefs/subvolume.h | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/libbcachefs/subvolume.h b/libbcachefs/subvolume.h index df665795..1a39f713 100644 --- a/libbcachefs/subvolume.h +++ b/libbcachefs/subvolume.h @@ -5,6 +5,18 @@ #include "darray.h" #include "subvolume_types.h" +void bch2_snapshot_tree_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c); +int bch2_snapshot_tree_invalid(const struct bch_fs *, struct bkey_s_c, + unsigned, struct printbuf *); + +#define bch2_bkey_ops_snapshot_tree ((struct bkey_ops) { \ + .key_invalid = bch2_snapshot_tree_invalid, \ + .val_to_text = bch2_snapshot_tree_to_text, \ + .min_val_size = 8, \ +}) + +int bch2_snapshot_tree_lookup(struct btree_trans *, u32, struct bch_snapshot_tree *); + void bch2_snapshot_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c); int bch2_snapshot_invalid(const struct bch_fs *, struct bkey_s_c, unsigned, struct printbuf *); @@ -15,6 +27,7 @@ int bch2_mark_snapshot(struct btree_trans *, enum btree_id, unsigned, .key_invalid = bch2_snapshot_invalid, \ .val_to_text = bch2_snapshot_to_text, \ .atomic_trigger = bch2_mark_snapshot, \ + .min_val_size = 24, \ }) static inline struct snapshot_t *snapshot_t(struct bch_fs *c, u32 id) @@ -27,6 +40,15 @@ static inline u32 bch2_snapshot_parent(struct bch_fs *c, u32 id) return snapshot_t(c, id)->parent; } +static inline u32 bch2_snapshot_root(struct bch_fs *c, u32 id) +{ + u32 parent; + + while ((parent = bch2_snapshot_parent(c, id))) + id = parent; + return id; +} + static inline u32 bch2_snapshot_equiv(struct bch_fs *c, u32 id) { return snapshot_t(c, id)->equiv; @@ -106,6 +128,7 @@ static inline int snapshot_list_add(struct bch_fs *c, snapshot_id_list *s, u32 i return ret; } +int bch2_fs_check_snapshot_trees(struct bch_fs *); int bch2_fs_check_snapshots(struct bch_fs *); int bch2_fs_check_subvols(struct bch_fs *); @@ -119,6 +142,7 @@ void bch2_subvolume_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c) #define bch2_bkey_ops_subvolume ((struct bkey_ops) { \ .key_invalid = bch2_subvolume_invalid, \ .val_to_text = bch2_subvolume_to_text, \ + .min_val_size = 16, \ }) int bch2_subvolume_get(struct btree_trans *, unsigned, @@ -134,7 +158,6 @@ int bch2_snapshot_node_create(struct btree_trans *, u32, int bch2_delete_dead_snapshots(struct bch_fs *); void bch2_delete_dead_snapshots_async(struct bch_fs *); -int bch2_subvolume_delete(struct btree_trans *, u32); int bch2_subvolume_unlink(struct btree_trans *, u32); int bch2_subvolume_create(struct btree_trans *, u64, u32, u32 *, u32 *, bool); |