Home
last modified time | relevance | path

Searched refs:rwsem (Results 1 – 25 of 49) sorted by relevance

12

/linux-6.12.1/fs/btrfs/
Ddev-replace.c355 down_read(&dev_replace->rwsem); in btrfs_run_dev_replace()
358 up_read(&dev_replace->rwsem); in btrfs_run_dev_replace()
361 up_read(&dev_replace->rwsem); in btrfs_run_dev_replace()
419 down_write(&dev_replace->rwsem); in btrfs_run_dev_replace()
442 up_write(&dev_replace->rwsem); in btrfs_run_dev_replace()
643 down_write(&dev_replace->rwsem); in btrfs_dev_replace_start()
653 up_write(&dev_replace->rwsem); in btrfs_dev_replace_start()
681 up_write(&dev_replace->rwsem); in btrfs_dev_replace_start()
698 down_write(&dev_replace->rwsem); in btrfs_dev_replace_start()
703 up_write(&dev_replace->rwsem); in btrfs_dev_replace_start()
[all …]
Dzoned.c1287 down_read(&dev_replace->rwsem); in btrfs_load_zone_info()
1291 up_read(&dev_replace->rwsem); in btrfs_load_zone_info()
1301 up_read(&dev_replace->rwsem); in btrfs_load_zone_info()
1322 up_read(&dev_replace->rwsem); in btrfs_load_zone_info()
1334 up_read(&dev_replace->rwsem); in btrfs_load_zone_info()
1362 up_read(&dev_replace->rwsem); in btrfs_load_zone_info()
2263 down_read(&dev_replace->rwsem); in do_zone_finish()
2281 up_read(&dev_replace->rwsem); in do_zone_finish()
2289 up_read(&dev_replace->rwsem); in do_zone_finish()
/linux-6.12.1/drivers/gnss/
Dcore.c48 down_write(&gdev->rwsem); in gnss_open()
60 up_write(&gdev->rwsem); in gnss_open()
72 down_write(&gdev->rwsem); in gnss_release()
81 up_write(&gdev->rwsem); in gnss_release()
162 down_read(&gdev->rwsem); in gnss_write()
167 up_read(&gdev->rwsem); in gnss_write()
251 init_rwsem(&gdev->rwsem); in gnss_allocate_device()
302 down_write(&gdev->rwsem); in gnss_deregister_device()
308 up_write(&gdev->rwsem); in gnss_deregister_device()
/linux-6.12.1/kernel/time/
Dposix-clock.c25 down_read(&clk->rwsem); in get_posix_clock()
30 up_read(&clk->rwsem); in get_posix_clock()
37 up_read(&clk->rwsem); in put_posix_clock()
120 down_read(&clk->rwsem); in posix_clock_open()
144 up_read(&clk->rwsem); in posix_clock_open()
185 init_rwsem(&clk->rwsem); in posix_clock_register()
205 down_write(&clk->rwsem); in posix_clock_unregister()
207 up_write(&clk->rwsem); in posix_clock_unregister()
/linux-6.12.1/kernel/
Dnotifier.c271 down_write(&nh->rwsem); in __blocking_notifier_chain_register()
273 up_write(&nh->rwsem); in __blocking_notifier_chain_register()
334 down_write(&nh->rwsem); in blocking_notifier_chain_unregister()
336 up_write(&nh->rwsem); in blocking_notifier_chain_unregister()
352 down_read(&nh->rwsem); in blocking_notifier_call_chain_robust()
354 up_read(&nh->rwsem); in blocking_notifier_call_chain_robust()
387 down_read(&nh->rwsem); in blocking_notifier_call_chain()
389 up_read(&nh->rwsem); in blocking_notifier_call_chain()
/linux-6.12.1/drivers/cpufreq/
Dcpufreq.c265 lockdep_assert_held(&policy->rwsem); in cpufreq_cpu_release()
267 up_write(&policy->rwsem); in cpufreq_cpu_release()
291 down_write(&policy->rwsem); in cpufreq_cpu_acquire()
502 lockdep_assert_held(&policy->rwsem); in cpufreq_enable_fast_switch()
990 down_read(&policy->rwsem); in show()
993 up_read(&policy->rwsem); in show()
1008 down_write(&policy->rwsem); in store()
1011 up_write(&policy->rwsem); in store()
1150 down_write(&policy->rwsem); in cpufreq_add_policy_cpu()
1161 up_write(&policy->rwsem); in cpufreq_add_policy_cpu()
[all …]
/linux-6.12.1/include/linux/
Dnotifier.h66 struct rw_semaphore rwsem; member
86 init_rwsem(&(name)->rwsem); \
102 .rwsem = __RWSEM_INITIALIZER((name).rwsem), \
Drmap.h33 struct rw_semaphore rwsem; /* W: modification, R: walking the list */ member
121 down_write(&anon_vma->root->rwsem); in anon_vma_lock_write()
126 return down_write_trylock(&anon_vma->root->rwsem); in anon_vma_trylock_write()
131 up_write(&anon_vma->root->rwsem); in anon_vma_unlock_write()
136 down_read(&anon_vma->root->rwsem); in anon_vma_lock_read()
141 return down_read_trylock(&anon_vma->root->rwsem); in anon_vma_trylock_read()
146 up_read(&anon_vma->root->rwsem); in anon_vma_unlock_read()
Dgnss.h45 struct rw_semaphore rwsem; member
Dposix-clock.h90 struct rw_semaphore rwsem; member
Dipc_namespace.h21 struct rw_semaphore rwsem; member
Drwsem.h155 extern void __init_rwsem(struct rw_semaphore *rwsem, const char *name,
/linux-6.12.1/drivers/leds/
Dleds-bd2802.c71 struct rw_semaphore rwsem; member
330 down_write(&led->rwsem); \
332 up_write(&led->rwsem); \
435 down_read(&led->rwsem); in bd2802_show_adv_conf()
440 up_read(&led->rwsem); in bd2802_show_adv_conf()
453 down_write(&led->rwsem); in bd2802_store_adv_conf()
458 up_write(&led->rwsem); in bd2802_store_adv_conf()
478 down_read(&led->rwsem); \
480 up_read(&led->rwsem); \
494 down_write(&led->rwsem); \
[all …]
/linux-6.12.1/tools/perf/Documentation/
Dperf-lock.txt189 semaphore, spinlock, rwlock, rwlock:R, rwlock:W, rwsem, rwsem:R, rwsem:W,
194 suffix are shortcuts for the both variants. Ex) rwsem = rwsem:R + rwsem:W.
/linux-6.12.1/tools/perf/util/bpf_skel/
Dlock_contention.bpf.c263 struct rw_semaphore___old *rwsem = (void *)lock; in get_lock_owner() local
264 owner = (unsigned long)BPF_CORE_READ(rwsem, owner); in get_lock_owner()
266 struct rw_semaphore___new *rwsem = (void *)lock; in get_lock_owner() local
267 owner = BPF_CORE_READ(rwsem, owner.counter); in get_lock_owner()
271 struct rw_semaphore *rwsem = (void *)lock; in get_lock_owner()
272 owner = BPF_CORE_READ(rwsem, owner.counter); in get_lock_owner()
/linux-6.12.1/kernel/locking/
DMakefile6 obj-y += mutex.o semaphore.o rwsem.o percpu-rwsem.o
/linux-6.12.1/ipc/
Dutil.c119 init_rwsem(&ids->rwsem); in ipc_init_ids()
344 down_write(&ids->rwsem); in ipcget_new()
346 up_write(&ids->rwsem); in ipcget_new()
408 down_write(&ids->rwsem); in ipcget_public()
434 up_write(&ids->rwsem); in ipcget_public()
850 down_read(&ids->rwsem); in sysvipc_proc_start()
877 up_read(&ids->rwsem); in sysvipc_proc_stop()
Dshm.c374 down_write(&shm_ids(ns).rwsem); in __shm_close()
393 up_write(&shm_ids(ns).rwsem); in __shm_close()
433 down_write(&shm_ids(ns).rwsem); in shm_destroy_orphaned()
436 up_write(&shm_ids(ns).rwsem); in shm_destroy_orphaned()
508 down_write(&shm_ids(ns).rwsem); in exit_shm()
530 up_write(&shm_ids(ns).rwsem); in exit_shm()
995 down_write(&shm_ids(ns).rwsem); in shmctl_down()
1034 up_write(&shm_ids(ns).rwsem); in shmctl_down()
1048 down_read(&shm_ids(ns).rwsem); in shmctl_ipc_info()
1050 up_read(&shm_ids(ns).rwsem); in shmctl_ipc_info()
[all …]
Dnamespace.c130 down_write(&ids->rwsem); in free_ipcs()
143 up_write(&ids->rwsem); in free_ipcs()
Dmsg.c408 down_write(&msg_ids(ns).rwsem); in msgctl_down()
473 up_write(&msg_ids(ns).rwsem); in msgctl_down()
498 down_read(&msg_ids(ns).rwsem); in msgctl_info()
502 up_read(&msg_ids(ns).rwsem); in msgctl_info()
/linux-6.12.1/fs/erofs/
Ddata.c216 down_read(&devs->rwsem); in erofs_map_dev()
219 up_read(&devs->rwsem); in erofs_map_dev()
224 up_read(&devs->rwsem); in erofs_map_dev()
228 up_read(&devs->rwsem); in erofs_map_dev()
230 down_read(&devs->rwsem); in erofs_map_dev()
244 up_read(&devs->rwsem); in erofs_map_dev()
Dsuper.c241 down_read(&sbi->devs->rwsem); in erofs_scan_devices()
268 up_read(&sbi->devs->rwsem); in erofs_scan_devices()
500 down_write(&sbi->devs->rwsem); in erofs_fc_parse_param()
502 up_write(&sbi->devs->rwsem); in erofs_fc_parse_param()
813 init_rwsem(&sbi->devs->rwsem); in erofs_init_fs_context()
/linux-6.12.1/drivers/gpu/drm/vmwgfx/
Dvmwgfx_irq.c193 down_read(&fifo_state->rwsem); in vmw_fallback_wait()
237 up_read(&fifo_state->rwsem); in vmw_fallback_wait()
Dvmwgfx_cmd.c121 init_rwsem(&fifo->rwsem); in vmw_fifo_create()
455 down_write(&fifo_state->rwsem); in vmw_local_fifo_commit()
467 up_write(&fifo_state->rwsem); in vmw_local_fifo_commit()
/linux-6.12.1/mm/
Drmap.c133 if (rwsem_is_locked(&anon_vma->root->rwsem)) { in anon_vma_free()
249 up_write(&root->rwsem); in lock_anon_vma_root()
251 down_write(&root->rwsem); in lock_anon_vma_root()
259 up_write(&root->rwsem); in unlock_anon_vma_root()
456 init_rwsem(&anon_vma->rwsem); in anon_vma_ctor()
561 if (down_read_trylock(&root_anon_vma->rwsem)) { in folio_lock_anon_vma_read()
568 up_read(&root_anon_vma->rwsem); in folio_lock_anon_vma_read()
579 up_read(&root_anon_vma->rwsem); in folio_lock_anon_vma_read()

12