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Diffstat (limited to 'libbcachefs/btree_update.h')
-rw-r--r--libbcachefs/btree_update.h15
1 files changed, 13 insertions, 2 deletions
diff --git a/libbcachefs/btree_update.h b/libbcachefs/btree_update.h
index a54dc727..9feef1dc 100644
--- a/libbcachefs/btree_update.h
+++ b/libbcachefs/btree_update.h
@@ -4,6 +4,7 @@
#include "btree_iter.h"
#include "journal.h"
+#include "snapshot.h"
struct bch_fs;
struct btree;
@@ -74,7 +75,7 @@ static inline int bch2_btree_delete_at_buffered(struct btree_trans *trans,
}
int __bch2_insert_snapshot_whiteouts(struct btree_trans *, enum btree_id,
- struct bpos, struct bpos);
+ struct bpos, snapshot_id_list *);
/*
* For use when splitting extents in existing snapshots:
@@ -88,11 +89,20 @@ static inline int bch2_insert_snapshot_whiteouts(struct btree_trans *trans,
struct bpos old_pos,
struct bpos new_pos)
{
+ BUG_ON(old_pos.snapshot != new_pos.snapshot);
+
if (!btree_type_has_snapshots(btree) ||
bkey_eq(old_pos, new_pos))
return 0;
- return __bch2_insert_snapshot_whiteouts(trans, btree, old_pos, new_pos);
+ snapshot_id_list s;
+ int ret = bch2_get_snapshot_overwrites(trans, btree, old_pos, &s);
+ if (ret)
+ return ret;
+
+ return s.nr
+ ? __bch2_insert_snapshot_whiteouts(trans, btree, new_pos, &s)
+ : 0;
}
int bch2_trans_update_extent_overwrite(struct btree_trans *, struct btree_iter *,
@@ -205,6 +215,7 @@ void bch2_trans_commit_hook(struct btree_trans *,
struct btree_trans_commit_hook *);
int __bch2_trans_commit(struct btree_trans *, unsigned);
+int bch2_trans_log_str(struct btree_trans *, const char *);
int bch2_trans_log_msg(struct btree_trans *, struct printbuf *);
int bch2_trans_log_bkey(struct btree_trans *, enum btree_id, unsigned, struct bkey_i *);