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[bcachefs-tools-debian] / libbcachefs / quota.h
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 bkey_invalid_flags;
9 extern const struct bch_sb_field_ops bch_sb_field_ops_quota;
10
11 int bch2_quota_invalid(struct bch_fs *, struct bkey_s_c,
12                        enum bkey_invalid_flags, struct printbuf *);
13 void bch2_quota_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
14
15 #define bch2_bkey_ops_quota ((struct bkey_ops) {        \
16         .key_invalid    = bch2_quota_invalid,           \
17         .val_to_text    = bch2_quota_to_text,           \
18         .min_val_size   = 32,                           \
19 })
20
21 static inline struct bch_qid bch_qid(struct bch_inode_unpacked *u)
22 {
23         return (struct bch_qid) {
24                 .q[QTYP_USR] = u->bi_uid,
25                 .q[QTYP_GRP] = u->bi_gid,
26                 .q[QTYP_PRJ] = u->bi_project ? u->bi_project - 1 : 0,
27         };
28 }
29
30 static inline unsigned enabled_qtypes(struct bch_fs *c)
31 {
32         return ((c->opts.usrquota << QTYP_USR)|
33                 (c->opts.grpquota << QTYP_GRP)|
34                 (c->opts.prjquota << QTYP_PRJ));
35 }
36
37 #ifdef CONFIG_BCACHEFS_QUOTA
38
39 int bch2_quota_acct(struct bch_fs *, struct bch_qid, enum quota_counters,
40                     s64, enum quota_acct_mode);
41
42 int bch2_quota_transfer(struct bch_fs *, unsigned, struct bch_qid,
43                         struct bch_qid, u64, enum quota_acct_mode);
44
45 void bch2_fs_quota_exit(struct bch_fs *);
46 void bch2_fs_quota_init(struct bch_fs *);
47 int bch2_fs_quota_read(struct bch_fs *);
48
49 extern const struct quotactl_ops bch2_quotactl_operations;
50
51 #else
52
53 static inline int bch2_quota_acct(struct bch_fs *c, struct bch_qid qid,
54                                   enum quota_counters counter, s64 v,
55                                   enum quota_acct_mode mode)
56 {
57         return 0;
58 }
59
60 static inline int bch2_quota_transfer(struct bch_fs *c, unsigned qtypes,
61                                       struct bch_qid dst,
62                                       struct bch_qid src, u64 space,
63                                       enum quota_acct_mode mode)
64 {
65         return 0;
66 }
67
68 static inline void bch2_fs_quota_exit(struct bch_fs *c) {}
69 static inline void bch2_fs_quota_init(struct bch_fs *c) {}
70 static inline int bch2_fs_quota_read(struct bch_fs *c) { return 0; }
71
72 #endif
73
74 #endif /* _BCACHEFS_QUOTA_H */