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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
8extern const struct bch_sb_field_ops bch_sb_field_ops_quota;
9
10int bch2_quota_validate(struct bch_fs *, struct bkey_s_c,
11 struct bkey_validate_context);
12void 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
20static 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
29static 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
38int bch2_quota_acct(struct bch_fs *, struct bch_qid, enum quota_counters,
39 s64, enum quota_acct_mode);
40
41int bch2_quota_transfer(struct bch_fs *, unsigned, struct bch_qid,
42 struct bch_qid, u64, enum quota_acct_mode);
43
44void bch2_fs_quota_exit(struct bch_fs *);
45void bch2_fs_quota_init(struct bch_fs *);
46int bch2_fs_quota_read(struct bch_fs *);
47
48extern const struct quotactl_ops bch2_quotactl_operations;
49
50#else
51
52static 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
59static 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
67static inline void bch2_fs_quota_exit(struct bch_fs *c) {}
68static inline void bch2_fs_quota_init(struct bch_fs *c) {}
69static inline int bch2_fs_quota_read(struct bch_fs *c) { return 0; }
70
71#endif
72
73#endif /* _BCACHEFS_QUOTA_H */