vasilito
dc68054305
- Restore 29 recipe symlinks (libdrm, qtbase, dbus, sddm, pipewire, etc.) - Restore 33 patches (KDE, libdrm, mesa, pipewire, sddm, wireplumber) - Restore 20+ local/scripts (audit, lint, test, build helpers) - Restore src/cook/scheduler.rs, status.rs, gnu-config/ - Restore scripts/patch-inclusion-gate.sh, run_mini1.sh, validate-collision-log.sh - Recover TLC source from HEAD (was overwritten by 0.2.3 checkout) - Recover 11 local/docs plans from HEAD (were overwritten) - Recover qt6-wayland-smoke symlink from HEAD - Fix MOTD: remove garbled ASCII art, use clean text - Update version: 0.2.0 -> 0.2.4 in os-release, motd, config - Reduce filesystem_size: 1536 -> 512 MiB - Add ABSOLUTE RULE to AGENTS.md: never delete/ignore packages - Reduce pcid scheme log verbosity: info -> debug
42 lines
810 B
C
42 lines
810 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _LINUX_BLOCKGROUP_LOCK_H
|
|
#define _LINUX_BLOCKGROUP_LOCK_H
|
|
/*
|
|
* Per-blockgroup locking for ext2 and ext3.
|
|
*
|
|
* Simple hashed spinlocking.
|
|
*/
|
|
|
|
#include <linux/spinlock.h>
|
|
#include <linux/cache.h>
|
|
|
|
#ifdef CONFIG_SMP
|
|
#define NR_BG_LOCKS (4 << ilog2(NR_CPUS < 32 ? NR_CPUS : 32))
|
|
#else
|
|
#define NR_BG_LOCKS 1
|
|
#endif
|
|
|
|
struct bgl_lock {
|
|
spinlock_t lock;
|
|
} ____cacheline_aligned_in_smp;
|
|
|
|
struct blockgroup_lock {
|
|
struct bgl_lock locks[NR_BG_LOCKS];
|
|
};
|
|
|
|
static inline void bgl_lock_init(struct blockgroup_lock *bgl)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < NR_BG_LOCKS; i++)
|
|
spin_lock_init(&bgl->locks[i].lock);
|
|
}
|
|
|
|
static inline spinlock_t *
|
|
bgl_lock_ptr(struct blockgroup_lock *bgl, unsigned int block_group)
|
|
{
|
|
return &bgl->locks[block_group & (NR_BG_LOCKS-1)].lock;
|
|
}
|
|
|
|
#endif
|