Update bcachefs sources to 1b14994029 bcachefs: Fragmentation LRU

[bcachefs-tools-debian] / libbcachefs / subvolume.h

diff --git a/libbcachefs/subvolume.h b/libbcachefs/subvolume.h
index b6740eab78d3d588f0813e9a2433d45196d7271c..7c488c3d78e0e31d0dfa26bf525ae9e04e71c85f 100644 (file)
--- a/libbcachefs/subvolume.h
+++ b/libbcachefs/subvolume.h
@@ -8,15 +8,15 @@
 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 *);
+int bch2_mark_snapshot(struct btree_trans *, struct bkey_s_c,
+                      struct bkey_s_c, unsigned);
 
 #define bch2_bkey_ops_snapshot ((struct bkey_ops) {            \
        .key_invalid    = bch2_snapshot_invalid,                \
        .val_to_text    = bch2_snapshot_to_text,                \
+       .atomic_trigger = bch2_mark_snapshot,                   \
 })
 
-int bch2_mark_snapshot(struct btree_trans *, struct bkey_s_c,
-                      struct bkey_s_c, unsigned);
-
 static inline struct snapshot_t *snapshot_t(struct bch_fs *c, u32 id)
 {
        return genradix_ptr(&c->snapshots, U32_MAX - id);
@@ -68,6 +68,13 @@ static inline bool bch2_snapshot_is_ancestor(struct bch_fs *c, u32 id, u32 ances
        return id == ancestor;
 }
 
+static inline bool bch2_snapshot_has_children(struct bch_fs *c, u32 id)
+{
+       struct snapshot_t *t = snapshot_t(c, id);
+
+       return (t->children[0]|t->children[1]) != 0;
+}
+
 static inline bool snapshot_list_has_id(snapshot_id_list *s, u32 id)
 {
        u32 *i;