linux/fs/bcachefs/reflink.h
Kent Overstreet 890b74f03d bcachefs: Fsck for reflink refcounts
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
2023-10-22 17:09:05 -04:00

65 lines
1.9 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BCACHEFS_REFLINK_H
#define _BCACHEFS_REFLINK_H
const char *bch2_reflink_p_invalid(const struct bch_fs *, struct bkey_s_c);
void bch2_reflink_p_to_text(struct printbuf *, struct bch_fs *,
struct bkey_s_c);
enum merge_result bch2_reflink_p_merge(struct bch_fs *,
struct bkey_s, struct bkey_s);
#define bch2_bkey_ops_reflink_p (struct bkey_ops) { \
.key_invalid = bch2_reflink_p_invalid, \
.val_to_text = bch2_reflink_p_to_text, \
.key_merge = bch2_reflink_p_merge, \
}
const char *bch2_reflink_v_invalid(const struct bch_fs *, struct bkey_s_c);
void bch2_reflink_v_to_text(struct printbuf *, struct bch_fs *,
struct bkey_s_c);
#define bch2_bkey_ops_reflink_v (struct bkey_ops) { \
.key_invalid = bch2_reflink_v_invalid, \
.val_to_text = bch2_reflink_v_to_text, \
.swab = bch2_ptr_swab, \
}
const char *bch2_indirect_inline_data_invalid(const struct bch_fs *,
struct bkey_s_c);
void bch2_indirect_inline_data_to_text(struct printbuf *,
struct bch_fs *, struct bkey_s_c);
#define bch2_bkey_ops_indirect_inline_data (struct bkey_ops) { \
.key_invalid = bch2_indirect_inline_data_invalid, \
.val_to_text = bch2_indirect_inline_data_to_text, \
}
static inline const __le64 *bkey_refcount_c(struct bkey_s_c k)
{
switch (k.k->type) {
case KEY_TYPE_reflink_v:
return &bkey_s_c_to_reflink_v(k).v->refcount;
case KEY_TYPE_indirect_inline_data:
return &bkey_s_c_to_indirect_inline_data(k).v->refcount;
default:
return NULL;
}
}
static inline __le64 *bkey_refcount(struct bkey_i *k)
{
switch (k->k.type) {
case KEY_TYPE_reflink_v:
return &bkey_i_to_reflink_v(k)->v.refcount;
case KEY_TYPE_indirect_inline_data:
return &bkey_i_to_indirect_inline_data(k)->v.refcount;
default:
return NULL;
}
}
s64 bch2_remap_range(struct bch_fs *, struct bpos, struct bpos,
u64, u64 *, u64, s64 *);
#endif /* _BCACHEFS_REFLINK_H */