bcachefs: Initial commit

Initially forked from drivers/md/bcache, bcachefs is a new copy-on-write
filesystem with every feature you could possibly want.

Website: https://bcachefs.org

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

1 files changed, 37 insertions, 0 deletions

diff --git a/fs/bcachefs/quota_types.h b/fs/bcachefs/quota_types.h
new file mode 100644
index 000000000000..9eda6c363736
--- /dev/null
+++ b/fs/bcachefs/quota_types.h
@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _BCACHEFS_QUOTA_TYPES_H
+#define _BCACHEFS_QUOTA_TYPES_H
+
+#include <linux/generic-radix-tree.h>
+
+struct bch_qid {
+	u32		q[QTYP_NR];
+};
+
+struct memquota_counter {
+	u64				v;
+	u64				hardlimit;
+	u64				softlimit;
+	s64				timer;
+	int				warns;
+	int				warning_issued;
+};
+
+struct bch_memquota {
+	struct memquota_counter		c[Q_COUNTERS];
+};
+
+typedef GENRADIX(struct bch_memquota)	bch_memquota_table;
+
+struct quota_limit {
+	u32				timelimit;
+	u32				warnlimit;
+};
+
+struct bch_memquota_type {
+	struct quota_limit		limits[Q_COUNTERS];
+	bch_memquota_table		table;
+	struct mutex			lock;
+};
+
+#endif /* _BCACHEFS_QUOTA_TYPES_H */