1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _BCACHEFS_QUOTA_H
3 #define _BCACHEFS_QUOTA_H
4
5 #include "inode.h"
6 #include "quota_types.h"
7
8 enum bch_validate_flags;
9 extern const struct bch_sb_field_ops bch_sb_field_ops_quota;
10
11 int bch2_quota_validate(struct bch_fs *, struct bkey_s_c, enum bch_validate_flags);
12 void bch2_quota_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
13
14 #define bch2_bkey_ops_quota ((struct bkey_ops) { \
15 .key_validate = bch2_quota_validate, \
16 .val_to_text = bch2_quota_to_text, \
17 .min_val_size = 32, \
18 })
19
20 static inline struct bch_qid bch_qid(struct bch_inode_unpacked *u)
21 {
22 return (struct bch_qid) {
23 .q[QTYP_USR] = u->bi_uid,
24 .q[QTYP_GRP] = u->bi_gid,
25 .q[QTYP_PRJ] = u->bi_project ? u->bi_project - 1 : 0,
26 };
27 }
28
29 static inline unsigned enabled_qtypes(struct bch_fs *c)
30 {
31 return ((c->opts.usrquota << QTYP_USR)|
32 (c->opts.grpquota << QTYP_GRP)|
33 (c->opts.prjquota << QTYP_PRJ));
34 }
35
36 #ifdef CONFIG_BCACHEFS_QUOTA
37
38 int bch2_quota_acct(struct bch_fs *, struct bch_qid, enum quota_counters,
39 s64, enum quota_acct_mode);
40
41 int bch2_quota_transfer(struct bch_fs *, unsigned, struct bch_qid,
42 struct bch_qid, u64, enum quota_acct_mode);
43
44 void bch2_fs_quota_exit(struct bch_fs *);
45 void bch2_fs_quota_init(struct bch_fs *);
46 int bch2_fs_quota_read(struct bch_fs *);
47
48 extern const struct quotactl_ops bch2_quotactl_operations;
49
50 #else
51
52 static inline int bch2_quota_acct(struct bch_fs *c, struct bch_qid qid,
53 enum quota_counters counter, s64 v,
54 enum quota_acct_mode mode)
55 {
56 return 0;
57 }
58
59 static inline int bch2_quota_transfer(struct bch_fs *c, unsigned qtypes,
60 struct bch_qid dst,
61 struct bch_qid src, u64 space,
62 enum quota_acct_mode mode)
63 {
64 return 0;
65 }
66
67 static inline void bch2_fs_quota_exit(struct bch_fs *c) {}
68 static inline void bch2_fs_quota_init(struct bch_fs *c) {}
69 static inline int bch2_fs_quota_read(struct bch_fs *c) { return 0; }
70
71 #endif
72
73 #endif /* _BCACHEFS_QUOTA_H */
74
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