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 */