diff options
| author | Kent Overstreet <kent.overstreet@linux.dev> | 2024-02-08 19:23:56 -0500 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2024-02-27 13:59:05 -0500 |
| commit | 00468617de214a4a158f1bfe78ecc3529b0d983c (patch) | |
| tree | 8c443935c0ed59008ca11ea5f6486b8cc06c0aac | |
| parent | 5a8b8ad1f7c8688cc4bd75b6146b661c2279b8cc (diff) | |
bcachefs: bch2_btree_bit_mod()
Provide a non-write buffer version of bch2_btree_bit_mod_buffered(), for
the subvolume children btree.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
| -rw-r--r-- | fs/bcachefs/btree_update.c | 21 | ||||
| -rw-r--r-- | fs/bcachefs/btree_update.h | 1 |
2 files changed, 22 insertions, 0 deletions
diff --git a/fs/bcachefs/btree_update.c b/fs/bcachefs/btree_update.c index badaa479cc67..cbb7cf21da5b 100644 --- a/fs/bcachefs/btree_update.c +++ b/fs/bcachefs/btree_update.c @@ -787,6 +787,27 @@ int bch2_btree_delete_range(struct bch_fs *c, enum btree_id id, return ret; } +int bch2_btree_bit_mod(struct btree_trans *trans, enum btree_id btree, + struct bpos pos, bool set) +{ + struct bkey_i *k = bch2_trans_kmalloc(trans, sizeof(*k)); + int ret = PTR_ERR_OR_ZERO(k); + if (ret) + return ret; + + bkey_init(&k->k); + k->k.type = set ? KEY_TYPE_set : KEY_TYPE_deleted; + k->k.p = pos; + + struct btree_iter iter; + bch2_trans_iter_init(trans, &iter, btree, pos, BTREE_ITER_INTENT); + + ret = bch2_btree_iter_traverse(&iter) ?: + bch2_trans_update(trans, &iter, k, 0); + bch2_trans_iter_exit(trans, &iter); + return ret; +} + int bch2_btree_bit_mod_buffered(struct btree_trans *trans, enum btree_id btree, struct bpos pos, bool set) { diff --git a/fs/bcachefs/btree_update.h b/fs/bcachefs/btree_update.h index 75ffd82e0fc4..cc7c53e83f89 100644 --- a/fs/bcachefs/btree_update.h +++ b/fs/bcachefs/btree_update.h @@ -62,6 +62,7 @@ int bch2_btree_delete_range_trans(struct btree_trans *, enum btree_id, int bch2_btree_delete_range(struct bch_fs *, enum btree_id, struct bpos, struct bpos, unsigned, u64 *); +int bch2_btree_bit_mod(struct btree_trans *, enum btree_id, struct bpos, bool); int bch2_btree_bit_mod_buffered(struct btree_trans *, enum btree_id, struct bpos, bool); static inline int bch2_btree_delete_at_buffered(struct btree_trans *trans, |