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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
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
8enum bkey_invalid_flags;
9extern const struct bch_sb_field_ops bch_sb_field_ops_quota;
10
11int bch2_quota_invalid(struct bch_fs *, struct bkey_s_c,
12 enum bkey_invalid_flags, struct printbuf *);
13void 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
21static 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
30static 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
39int bch2_quota_acct(struct bch_fs *, struct bch_qid, enum quota_counters,
40 s64, enum quota_acct_mode);
41
42int bch2_quota_transfer(struct bch_fs *, unsigned, struct bch_qid,
43 struct bch_qid, u64, enum quota_acct_mode);
44
45void bch2_fs_quota_exit(struct bch_fs *);
46void bch2_fs_quota_init(struct bch_fs *);
47int bch2_fs_quota_read(struct bch_fs *);
48
49extern const struct quotactl_ops bch2_quotactl_operations;
50
51#else
52
53static 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
60static 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
68static inline void bch2_fs_quota_exit(struct bch_fs *c) {}
69static inline void bch2_fs_quota_init(struct bch_fs *c) {}
70static inline int bch2_fs_quota_read(struct bch_fs *c) { return 0; }
71
72#endif
73
74#endif /* _BCACHEFS_QUOTA_H */