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
100
101
102
103
104
105
106
107
108
109
110
111
112
|
#ifndef _BCACHEFS_FS_H
#define _BCACHEFS_FS_H
#include "inode.h"
#include "opts.h"
#include "str_hash.h"
#include "quota_types.h"
#include <linux/seqlock.h>
#include <linux/stat.h>
struct bch_inode_info {
struct inode v;
struct mutex ei_update_lock;
u64 ei_journal_seq;
u64 ei_quota_reserved;
unsigned long ei_last_dirtied;
struct mutex ei_quota_lock;
struct bch_qid ei_qid;
struct bch_hash_info ei_str_hash;
/* copy of inode in btree: */
struct bch_inode_unpacked ei_inode;
};
#define to_bch_ei(_inode) \
container_of_or_null(_inode, struct bch_inode_info, v)
static inline struct bch_inode_info *file_bch_inode(struct file *file)
{
return to_bch_ei(file_inode(file));
}
static inline u8 mode_to_type(umode_t mode)
{
return (mode >> 12) & 15;
}
static inline unsigned nlink_bias(umode_t mode)
{
return S_ISDIR(mode) ? 2 : 1;
}
static inline u64 bch2_current_time(struct bch_fs *c)
{
return timespec_to_bch2_time(c, current_kernel_time64());
}
static inline bool inode_attr_changing(struct bch_inode_info *dir,
struct bch_inode_info *inode,
enum inode_opt_id id)
{
return !(inode->ei_inode.bi_fields_set & (1 << id)) &&
bch2_inode_opt_get(&dir->ei_inode, id) !=
bch2_inode_opt_get(&inode->ei_inode, id);
}
static inline bool inode_attrs_changing(struct bch_inode_info *dir,
struct bch_inode_info *inode)
{
unsigned id;
for (id = 0; id < Inode_opt_nr; id++)
if (inode_attr_changing(dir, inode, id))
return true;
return false;
}
struct bch_inode_unpacked;
#ifndef NO_BCACHEFS_FS
int bch2_fs_quota_transfer(struct bch_fs *,
struct bch_inode_info *,
struct bch_qid,
unsigned,
enum quota_acct_mode);
/* returns 0 if we want to do the update, or error is passed up */
typedef int (*inode_set_fn)(struct bch_inode_info *,
struct bch_inode_unpacked *, void *);
void bch2_inode_update_after_write(struct bch_fs *,
struct bch_inode_info *,
struct bch_inode_unpacked *,
unsigned);
int __must_check bch2_write_inode_trans(struct btree_trans *,
struct bch_inode_info *,
struct bch_inode_unpacked *,
inode_set_fn, void *);
int __must_check bch2_write_inode(struct bch_fs *, struct bch_inode_info *,
inode_set_fn, void *, unsigned);
int bch2_reinherit_attrs_fn(struct bch_inode_info *,
struct bch_inode_unpacked *,
void *);
void bch2_vfs_exit(void);
int bch2_vfs_init(void);
#else
static inline void bch2_vfs_exit(void) {}
static inline int bch2_vfs_init(void) { return 0; }
#endif /* NO_BCACHEFS_FS */
#endif /* _BCACHEFS_FS_H */
|
