linux/fs/bcachefs/quota.h
Kent Overstreet 275c8426fb bcachefs: Add rw to .key_invalid()
This adds a new parameter to .key_invalid() methods for whether the key
is being read or written; the idea being that methods can do more
aggressive checks when a key is newly created and being written, when we
wouldn't want to delete the key because of those checks.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
2023-10-22 17:09:30 -04:00

72 lines
1.9 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BCACHEFS_QUOTA_H
#define _BCACHEFS_QUOTA_H
#include "inode.h"
#include "quota_types.h"
extern const struct bch_sb_field_ops bch_sb_field_ops_quota;
int bch2_quota_invalid(const struct bch_fs *, struct bkey_s_c, int, struct printbuf *);
void bch2_quota_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
#define bch2_bkey_ops_quota (struct bkey_ops) { \
.key_invalid = bch2_quota_invalid, \
.val_to_text = bch2_quota_to_text, \
}
static inline struct bch_qid bch_qid(struct bch_inode_unpacked *u)
{
return (struct bch_qid) {
.q[QTYP_USR] = u->bi_uid,
.q[QTYP_GRP] = u->bi_gid,
.q[QTYP_PRJ] = u->bi_project ? u->bi_project - 1 : 0,
};
}
static inline unsigned enabled_qtypes(struct bch_fs *c)
{
return ((c->opts.usrquota << QTYP_USR)|
(c->opts.grpquota << QTYP_GRP)|
(c->opts.prjquota << QTYP_PRJ));
}
#ifdef CONFIG_BCACHEFS_QUOTA
int bch2_quota_acct(struct bch_fs *, struct bch_qid, enum quota_counters,
s64, enum quota_acct_mode);
int bch2_quota_transfer(struct bch_fs *, unsigned, struct bch_qid,
struct bch_qid, u64, enum quota_acct_mode);
void bch2_fs_quota_exit(struct bch_fs *);
void bch2_fs_quota_init(struct bch_fs *);
int bch2_fs_quota_read(struct bch_fs *);
extern const struct quotactl_ops bch2_quotactl_operations;
#else
static inline int bch2_quota_acct(struct bch_fs *c, struct bch_qid qid,
enum quota_counters counter, s64 v,
enum quota_acct_mode mode)
{
return 0;
}
static inline int bch2_quota_transfer(struct bch_fs *c, unsigned qtypes,
struct bch_qid dst,
struct bch_qid src, u64 space,
enum quota_acct_mode mode)
{
return 0;
}
static inline void bch2_fs_quota_exit(struct bch_fs *c) {}
static inline void bch2_fs_quota_init(struct bch_fs *c) {}
static inline int bch2_fs_quota_read(struct bch_fs *c) { return 0; }
#endif
#endif /* _BCACHEFS_QUOTA_H */