1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _BCACHEFS_NOCOW_LOCKING_TYPES_H
3#define _BCACHEFS_NOCOW_LOCKING_TYPES_H
4
5#define BUCKET_NOCOW_LOCKS_BITS		10
6#define BUCKET_NOCOW_LOCKS		(1U << BUCKET_NOCOW_LOCKS_BITS)
7
8struct nocow_lock_bucket {
9	struct closure_waitlist		wait;
10	spinlock_t			lock;
11	u64				b[4];
12	atomic_t			l[4];
13} __aligned(SMP_CACHE_BYTES);
14
15struct bucket_nocow_lock_table {
16	struct nocow_lock_bucket	l[BUCKET_NOCOW_LOCKS];
17};
18
19#endif /* _BCACHEFS_NOCOW_LOCKING_TYPES_H */
20
21