File: nocow_locking_types.h

package info (click to toggle)
linux 6.12.73-1
  • links: PTS, VCS
  • area: main
  • in suites: trixie-proposed-updates
  • size: 1,675,820 kB
  • sloc: ansic: 25,915,858; asm: 269,648; sh: 136,658; python: 65,456; makefile: 55,721; perl: 37,753; xml: 19,284; cpp: 5,895; yacc: 4,927; lex: 2,939; awk: 1,594; sed: 28; ruby: 25
file content (20 lines) | stat: -rw-r--r-- 491 bytes parent folder | download | duplicates (16)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BCACHEFS_NOCOW_LOCKING_TYPES_H
#define _BCACHEFS_NOCOW_LOCKING_TYPES_H

#define BUCKET_NOCOW_LOCKS_BITS		10
#define BUCKET_NOCOW_LOCKS		(1U << BUCKET_NOCOW_LOCKS_BITS)

struct nocow_lock_bucket {
	struct closure_waitlist		wait;
	spinlock_t			lock;
	u64				b[4];
	atomic_t			l[4];
} __aligned(SMP_CACHE_BYTES);

struct bucket_nocow_lock_table {
	struct nocow_lock_bucket	l[BUCKET_NOCOW_LOCKS];
};

#endif /* _BCACHEFS_NOCOW_LOCKING_TYPES_H */