1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _BCACHEFS_SUPER_H
3 #define _BCACHEFS_SUPER_H
4
5 #include "extents.h"
6
7 #include "bcachefs_ioctl.h"
8
9 #include <linux/math64.h>
10
11 extern const char * const bch2_fs_flag_strs[];
12
13 struct bch_fs *bch2_dev_to_fs(dev_t);
14 struct bch_fs *bch2_uuid_to_fs(__uuid_t);
15
16 bool bch2_dev_state_allowed(struct bch_fs *, struct bch_dev *,
17 enum bch_member_state, int);
18 int __bch2_dev_set_state(struct bch_fs *, struct bch_dev *,
19 enum bch_member_state, int);
20 int bch2_dev_set_state(struct bch_fs *, struct bch_dev *,
21 enum bch_member_state, int);
22
23 int bch2_dev_fail(struct bch_dev *, int);
24 int bch2_dev_remove(struct bch_fs *, struct bch_dev *, int);
25 int bch2_dev_add(struct bch_fs *, const char *);
26 int bch2_dev_online(struct bch_fs *, const char *);
27 int bch2_dev_offline(struct bch_fs *, struct bch_dev *, int);
28 int bch2_dev_resize(struct bch_fs *, struct bch_dev *, u64);
29 struct bch_dev *bch2_dev_lookup(struct bch_fs *, const char *);
30
31 bool bch2_fs_emergency_read_only(struct bch_fs *);
32 void bch2_fs_read_only(struct bch_fs *);
33
34 int bch2_fs_read_write(struct bch_fs *);
35 int bch2_fs_read_write_early(struct bch_fs *);
36
37 /*
38 * Only for use in the recovery/fsck path:
39 */
40 static inline void bch2_fs_lazy_rw(struct bch_fs *c)
41 {
42 if (!test_bit(BCH_FS_rw, &c->flags) &&
43 !test_bit(BCH_FS_was_rw, &c->flags))
44 bch2_fs_read_write_early(c);
45 }
46
47 void __bch2_fs_stop(struct bch_fs *);
48 void bch2_fs_free(struct bch_fs *);
49 void bch2_fs_stop(struct bch_fs *);
50
51 int bch2_fs_start(struct bch_fs *);
52 struct bch_fs *bch2_fs_open(char * const *, unsigned, struct bch_opts);
53
54 #endif /* _BCACHEFS_SUPER_H */
55
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