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-rw-r--r--fs/bcachefs/quota.h74
1 files changed, 74 insertions, 0 deletions
diff --git a/fs/bcachefs/quota.h b/fs/bcachefs/quota.h
new file mode 100644
index 0000000000..884f601f41
--- /dev/null
+++ b/fs/bcachefs/quota.h
@@ -0,0 +1,74 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _BCACHEFS_QUOTA_H
+#define _BCACHEFS_QUOTA_H
+
+#include "inode.h"
+#include "quota_types.h"
+
+enum bkey_invalid_flags;
+extern const struct bch_sb_field_ops bch_sb_field_ops_quota;
+
+int bch2_quota_invalid(struct bch_fs *, struct bkey_s_c,
+ enum bkey_invalid_flags, 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, \
+ .min_val_size = 32, \
+})
+
+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 */