1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _BCACHEFS_BKEY_BUF_H
3 #define _BCACHEFS_BKEY_BUF_H
12 static inline void bch2_bkey_buf_realloc(struct bkey_buf *s,
13 struct bch_fs *c, unsigned u64s)
15 if (s->k == (void *) s->onstack &&
16 u64s > ARRAY_SIZE(s->onstack)) {
17 s->k = mempool_alloc(&c->large_bkey_pool, GFP_NOFS);
18 memcpy(s->k, s->onstack, sizeof(s->onstack));
22 static inline void bch2_bkey_buf_reassemble(struct bkey_buf *s,
26 bch2_bkey_buf_realloc(s, c, k.k->u64s);
27 bkey_reassemble(s->k, k);
30 static inline void bch2_bkey_buf_copy(struct bkey_buf *s,
34 bch2_bkey_buf_realloc(s, c, src->k.u64s);
38 static inline void bch2_bkey_buf_unpack(struct bkey_buf *s,
41 struct bkey_packed *src)
43 bch2_bkey_buf_realloc(s, c, BKEY_U64s +
44 bkeyp_val_u64s(&b->format, src));
45 bch2_bkey_unpack(b, s->k, src);
48 static inline void bch2_bkey_buf_init(struct bkey_buf *s)
50 s->k = (void *) s->onstack;
53 static inline void bch2_bkey_buf_exit(struct bkey_buf *s, struct bch_fs *c)
55 if (s->k != (void *) s->onstack)
56 mempool_free(s->k, &c->large_bkey_pool);
60 #endif /* _BCACHEFS_BKEY_BUF_H */