]> git.sesse.net Git - bcachefs-tools-debian/blobdiff - libbcachefs/quota.h
Move c_src dirs back to toplevel
[bcachefs-tools-debian] / libbcachefs / quota.h
diff --git a/libbcachefs/quota.h b/libbcachefs/quota.h
new file mode 100644 (file)
index 0000000..884f601
--- /dev/null
@@ -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 */