1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BCACHEFS_INODE_H
#define _BCACHEFS_INODE_H
#include "opts.h"
#include <linux/math64.h>
const char *bch2_inode_invalid(const struct bch_fs *, struct bkey_s_c);
void bch2_inode_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
#define bch2_bkey_inode_ops (struct bkey_ops) { \
.key_invalid = bch2_inode_invalid, \
.val_to_text = bch2_inode_to_text, \
}
struct bch_inode_unpacked {
u64 bi_inum;
__le64 bi_hash_seed;
u32 bi_flags;
u16 bi_mode;
#define BCH_INODE_FIELD(_name, _bits) u##_bits _name;
BCH_INODE_FIELDS()
#undef BCH_INODE_FIELD
};
struct bkey_inode_buf {
struct bkey_i_inode inode;
#define BCH_INODE_FIELD(_name, _bits) + 8 + _bits / 8
u8 _pad[0 + BCH_INODE_FIELDS()];
#undef BCH_INODE_FIELD
} __attribute__((packed, aligned(8)));
void bch2_inode_pack(struct bkey_inode_buf *, const struct bch_inode_unpacked *);
int bch2_inode_unpack(struct bkey_s_c_inode, struct bch_inode_unpacked *);
void bch2_inode_init(struct bch_fs *, struct bch_inode_unpacked *,
uid_t, gid_t, umode_t, dev_t,
struct bch_inode_unpacked *);
int __bch2_inode_create(struct btree_trans *,
struct bch_inode_unpacked *,
u64, u64, u64 *);
int bch2_inode_create(struct bch_fs *, struct bch_inode_unpacked *,
u64, u64, u64 *);
int bch2_inode_rm(struct bch_fs *, u64);
int bch2_inode_find_by_inum(struct bch_fs *, u64,
struct bch_inode_unpacked *);
static inline struct bch_io_opts bch2_inode_opts_get(struct bch_inode_unpacked *inode)
{
struct bch_io_opts ret = { 0 };
#define BCH_INODE_OPT(_name, _bits) \
if (inode->bi_##_name) \
opt_set(ret, _name, inode->bi_##_name - 1);
BCH_INODE_OPTS()
#undef BCH_INODE_OPT
return ret;
}
static inline void __bch2_inode_opt_set(struct bch_inode_unpacked *inode,
enum bch_opt_id id, u64 v)
{
switch (id) {
#define BCH_INODE_OPT(_name, ...) \
case Opt_##_name: \
inode->bi_##_name = v; \
break;
BCH_INODE_OPTS()
#undef BCH_INODE_OPT
default:
BUG();
}
}
static inline void bch2_inode_opt_set(struct bch_inode_unpacked *inode,
enum bch_opt_id id, u64 v)
{
return __bch2_inode_opt_set(inode, id, v + 1);
}
static inline void bch2_inode_opt_clear(struct bch_inode_unpacked *inode,
enum bch_opt_id id)
{
return __bch2_inode_opt_set(inode, id, 0);
}
#ifdef CONFIG_BCACHEFS_DEBUG
void bch2_inode_pack_test(void);
#else
static inline void bch2_inode_pack_test(void) {}
#endif
#endif /* _BCACHEFS_INODE_H */
|
