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