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>
62 lines
1.4 KiB
C
62 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _BCACHEFS_BKEY_BUF_H
|
|
#define _BCACHEFS_BKEY_BUF_H
|
|
|
|
#include "bcachefs.h"
|
|
#include "bkey.h"
|
|
|
|
struct bkey_buf {
|
|
struct bkey_i *k;
|
|
u64 onstack[12];
|
|
};
|
|
|
|
static inline void bch2_bkey_buf_realloc(struct bkey_buf *s,
|
|
struct bch_fs *c, unsigned u64s)
|
|
{
|
|
if (s->k == (void *) s->onstack &&
|
|
u64s > ARRAY_SIZE(s->onstack)) {
|
|
s->k = mempool_alloc(&c->large_bkey_pool, GFP_NOFS);
|
|
memcpy(s->k, s->onstack, sizeof(s->onstack));
|
|
}
|
|
}
|
|
|
|
static inline void bch2_bkey_buf_reassemble(struct bkey_buf *s,
|
|
struct bch_fs *c,
|
|
struct bkey_s_c k)
|
|
{
|
|
bch2_bkey_buf_realloc(s, c, k.k->u64s);
|
|
bkey_reassemble(s->k, k);
|
|
}
|
|
|
|
static inline void bch2_bkey_buf_copy(struct bkey_buf *s,
|
|
struct bch_fs *c,
|
|
struct bkey_i *src)
|
|
{
|
|
bch2_bkey_buf_realloc(s, c, src->k.u64s);
|
|
bkey_copy(s->k, src);
|
|
}
|
|
|
|
static inline void bch2_bkey_buf_unpack(struct bkey_buf *s,
|
|
struct bch_fs *c,
|
|
struct btree *b,
|
|
struct bkey_packed *src)
|
|
{
|
|
bch2_bkey_buf_realloc(s, c, BKEY_U64s +
|
|
bkeyp_val_u64s(&b->format, src));
|
|
bch2_bkey_unpack(b, s->k, src);
|
|
}
|
|
|
|
static inline void bch2_bkey_buf_init(struct bkey_buf *s)
|
|
{
|
|
s->k = (void *) s->onstack;
|
|
}
|
|
|
|
static inline void bch2_bkey_buf_exit(struct bkey_buf *s, struct bch_fs *c)
|
|
{
|
|
if (s->k != (void *) s->onstack)
|
|
mempool_free(s->k, &c->large_bkey_pool);
|
|
s->k = NULL;
|
|
}
|
|
|
|
#endif /* _BCACHEFS_BKEY_BUF_H */
|