diff options
| author | Kent Overstreet <kent.overstreet@linux.dev> | 2023-04-30 20:58:59 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-10-22 17:10:01 -0400 |
| commit | d67a16df9c5e03e3e4a672bd6547812baad0bf2c (patch) | |
| tree | 2f74dfe2991fa5b4b128fddccbcab1715ea961fb /fs/bcachefs/btree_update.h | |
| parent | bcb79a51cb52033bb12c5ed2eb46770e984b5542 (diff) | |
bcachefs: Move bch2_bkey_make_mut() to btree_update.h
It's for doing updates - this is where it belongs, and next pathes will
be changing these helpers to use items from btree_update.h.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/btree_update.h')
| -rw-r--r-- | fs/bcachefs/btree_update.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/fs/bcachefs/btree_update.h b/fs/bcachefs/btree_update.h index 4adb6f646655..0b320dfaed43 100644 --- a/fs/bcachefs/btree_update.h +++ b/fs/bcachefs/btree_update.h @@ -183,4 +183,47 @@ static inline void bch2_trans_reset_updates(struct btree_trans *trans) } } +static inline struct bkey_i *bch2_bkey_make_mut(struct btree_trans *trans, struct bkey_s_c k) +{ + struct bkey_i *mut = bch2_trans_kmalloc_nomemzero(trans, bkey_bytes(k.k)); + + if (!IS_ERR(mut)) + bkey_reassemble(mut, k); + return mut; +} + +static inline struct bkey_i *bch2_bkey_get_mut(struct btree_trans *trans, + struct btree_iter *iter) +{ + struct bkey_s_c k = bch2_btree_iter_peek_slot(iter); + + return unlikely(IS_ERR(k.k)) + ? ERR_CAST(k.k) + : bch2_bkey_make_mut(trans, k); +} + +#define bch2_bkey_get_mut_typed(_trans, _iter, _type) \ +({ \ + struct bkey_i *_k = bch2_bkey_get_mut(_trans, _iter); \ + struct bkey_i_##_type *_ret; \ + \ + if (IS_ERR(_k)) \ + _ret = ERR_CAST(_k); \ + else if (unlikely(_k->k.type != KEY_TYPE_##_type)) \ + _ret = ERR_PTR(-ENOENT); \ + else \ + _ret = bkey_i_to_##_type(_k); \ + _ret; \ +}) + +#define bch2_bkey_alloc(_trans, _iter, _type) \ +({ \ + struct bkey_i_##_type *_k = bch2_trans_kmalloc_nomemzero(_trans, sizeof(*_k));\ + if (!IS_ERR(_k)) { \ + bkey_##_type##_init(&_k->k_i); \ + _k->k.p = (_iter)->pos; \ + } \ + _k; \ +}) + #endif /* _BCACHEFS_BTREE_UPDATE_H */ |