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77671e8fff
Long ago, bkey_unpack_key() was added to bset.h instead of bkey.h because bkey.h didn't include btree_types.h, which it needs for the compiled unpack function. This patch finally moves it to the proper location. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
61 lines
1.4 KiB
C
61 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _BCACHEFS_BKEY_BUF_H
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#define _BCACHEFS_BKEY_BUF_H
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#include "bcachefs.h"
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#include "bkey.h"
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struct bkey_buf {
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struct bkey_i *k;
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u64 onstack[12];
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};
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static inline void bch2_bkey_buf_realloc(struct bkey_buf *s,
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struct bch_fs *c, unsigned u64s)
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{
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if (s->k == (void *) s->onstack &&
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u64s > ARRAY_SIZE(s->onstack)) {
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s->k = mempool_alloc(&c->large_bkey_pool, GFP_NOFS);
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memcpy(s->k, s->onstack, sizeof(s->onstack));
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}
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}
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static inline void bch2_bkey_buf_reassemble(struct bkey_buf *s,
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struct bch_fs *c,
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struct bkey_s_c k)
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{
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bch2_bkey_buf_realloc(s, c, k.k->u64s);
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bkey_reassemble(s->k, k);
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}
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static inline void bch2_bkey_buf_copy(struct bkey_buf *s,
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struct bch_fs *c,
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struct bkey_i *src)
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{
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bch2_bkey_buf_realloc(s, c, src->k.u64s);
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bkey_copy(s->k, src);
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}
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static inline void bch2_bkey_buf_unpack(struct bkey_buf *s,
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struct bch_fs *c,
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struct btree *b,
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struct bkey_packed *src)
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{
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bch2_bkey_buf_realloc(s, c, BKEY_U64s +
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bkeyp_val_u64s(&b->format, src));
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bch2_bkey_unpack(b, s->k, src);
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}
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static inline void bch2_bkey_buf_init(struct bkey_buf *s)
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{
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s->k = (void *) s->onstack;
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}
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static inline void bch2_bkey_buf_exit(struct bkey_buf *s, struct bch_fs *c)
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{
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if (s->k != (void *) s->onstack)
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mempool_free(s->k, &c->large_bkey_pool);
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s->k = NULL;
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}
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#endif /* _BCACHEFS_BKEY_BUF_H */
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