Home
last modified time | relevance | path

Searched refs:rwsem (Results 1 – 25 of 50) sorted by relevance

12

/linux-6.15/fs/btrfs/
H A Ddev-replace.c349 down_read(&dev_replace->rwsem); in btrfs_run_dev_replace()
352 up_read(&dev_replace->rwsem); in btrfs_run_dev_replace()
355 up_read(&dev_replace->rwsem); in btrfs_run_dev_replace()
435 up_write(&dev_replace->rwsem); in btrfs_run_dev_replace()
670 up_write(&dev_replace->rwsem); in btrfs_dev_replace_start()
877 up_read(&dev_replace->rwsem); in btrfs_dev_replace_finishing()
884 up_read(&dev_replace->rwsem); in btrfs_dev_replace_finishing()
987 up_write(&dev_replace->rwsem); in btrfs_dev_replace_finishing()
1074 up_read(&dev_replace->rwsem); in btrfs_dev_replace_status()
1185 up_write(&dev_replace->rwsem); in btrfs_dev_replace_suspend_for_unmount()
[all …]
H A Dzoned.c1291 down_read(&dev_replace->rwsem); in btrfs_load_zone_info()
1295 up_read(&dev_replace->rwsem); in btrfs_load_zone_info()
1305 up_read(&dev_replace->rwsem); in btrfs_load_zone_info()
1329 up_read(&dev_replace->rwsem); in btrfs_load_zone_info()
1340 up_read(&dev_replace->rwsem); in btrfs_load_zone_info()
1352 up_read(&dev_replace->rwsem); in btrfs_load_zone_info()
1380 up_read(&dev_replace->rwsem); in btrfs_load_zone_info()
2283 down_read(&dev_replace->rwsem); in do_zone_finish()
2304 up_read(&dev_replace->rwsem); in do_zone_finish()
2312 up_read(&dev_replace->rwsem); in do_zone_finish()
[all …]
/linux-6.15/drivers/gnss/
H A 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-6.15/kernel/time/
H A 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()
100 down_read(&clk->rwsem); in posix_clock_open()
125 up_read(&clk->rwsem); in posix_clock_open()
164 init_rwsem(&clk->rwsem); in posix_clock_register()
184 down_write(&clk->rwsem); in posix_clock_unregister()
186 up_write(&clk->rwsem); in posix_clock_unregister()
/linux-6.15/kernel/
H A Dnotifier.c263 down_write(&nh->rwsem); in __blocking_notifier_chain_register()
265 up_write(&nh->rwsem); in __blocking_notifier_chain_register()
326 down_write(&nh->rwsem); in blocking_notifier_chain_unregister()
328 up_write(&nh->rwsem); in blocking_notifier_chain_unregister()
344 down_read(&nh->rwsem); in blocking_notifier_call_chain_robust()
346 up_read(&nh->rwsem); in blocking_notifier_call_chain_robust()
379 down_read(&nh->rwsem); in blocking_notifier_call_chain()
381 up_read(&nh->rwsem); in blocking_notifier_call_chain()
/linux-6.15/drivers/cpufreq/
H A Dcpufreq.c269 up_write(&policy->rwsem); in cpufreq_cpu_release()
293 down_write(&policy->rwsem); in cpufreq_cpu_acquire()
1036 up_read(&policy->rwsem); in show()
1054 up_write(&policy->rwsem); in store()
1225 up_write(&policy->rwsem); in cpufreq_add_policy_cpu()
1247 up_write(&policy->rwsem); in handle_update()
1277 up_write(&policy->rwsem); in cpufreq_policy_put_kobj()
1624 up_write(&policy->rwsem); in cpufreq_online()
1667 up_write(&policy->rwsem); in cpufreq_online()
1764 up_write(&policy->rwsem); in cpufreq_offline()
[all …]
/linux-6.15/include/linux/
H A Dnotifier.h66 struct rw_semaphore rwsem; member
86 init_rwsem(&(name)->rwsem); \
102 .rwsem = __RWSEM_INITIALIZER((name).rwsem), \
H A Drmap.h34 struct rw_semaphore rwsem; /* W: modification, R: walking the list */ member
122 down_write(&anon_vma->root->rwsem); in anon_vma_lock_write()
127 return down_write_trylock(&anon_vma->root->rwsem); in anon_vma_trylock_write()
132 up_write(&anon_vma->root->rwsem); in anon_vma_unlock_write()
137 down_read(&anon_vma->root->rwsem); in anon_vma_lock_read()
142 return down_read_trylock(&anon_vma->root->rwsem); in anon_vma_trylock_read()
147 up_read(&anon_vma->root->rwsem); in anon_vma_unlock_read()
H A Dgnss.h45 struct rw_semaphore rwsem; member
H A Dposix-clock.h90 struct rw_semaphore rwsem; member
H A Dipc_namespace.h21 struct rw_semaphore rwsem; member
H A Drwsem.h155 extern void __init_rwsem(struct rw_semaphore *rwsem, const char *name,
/linux-6.15/drivers/leds/
H A 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); \
496 up_write(&led->rwsem); \
[all …]
/linux-6.15/tools/perf/Documentation/
H A Dperf-lock.txt190 semaphore, spinlock, rwlock, rwlock:R, rwlock:W, rwsem, rwsem:R, rwsem:W,
195 suffix are shortcuts for the both variants. Ex) rwsem = rwsem:R + rwsem:W.
/linux-6.15/kernel/locking/
H A DMakefile6 obj-y += mutex.o semaphore.o rwsem.o percpu-rwsem.o
/linux-6.15/ipc/
H A 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()
847 down_read(&ids->rwsem); in sysvipc_proc_start()
874 up_read(&ids->rwsem); in sysvipc_proc_stop()
H A 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()
1050 up_read(&shm_ids(ns).rwsem); in shmctl_ipc_info()
1070 up_read(&shm_ids(ns).rwsem); in shmctl_shm_info()
[all …]
H A Dnamespace.c132 down_write(&ids->rwsem); in free_ipcs()
145 up_write(&ids->rwsem); in free_ipcs()
H A 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-6.15/fs/erofs/
H A Ddata.c182 down_read(&devs->rwsem); in erofs_map_dev()
185 up_read(&devs->rwsem); in erofs_map_dev()
190 up_read(&devs->rwsem); in erofs_map_dev()
194 up_read(&devs->rwsem); in erofs_map_dev()
196 down_read(&devs->rwsem); in erofs_map_dev()
209 up_read(&devs->rwsem); in erofs_map_dev()
H A Dsuper.c218 down_read(&sbi->devs->rwsem); in erofs_scan_devices()
245 up_read(&sbi->devs->rwsem); in erofs_scan_devices()
470 down_write(&sbi->devs->rwsem); in erofs_fc_parse_param()
472 up_write(&sbi->devs->rwsem); in erofs_fc_parse_param()
795 init_rwsem(&sbi->devs->rwsem); in erofs_init_fs_context()
/linux-6.15/tools/perf/util/bpf_skel/
H A Dlock_contention.bpf.c329 struct rw_semaphore___old *rwsem = (void *)lock; in get_lock_owner() local
330 owner = (unsigned long)BPF_CORE_READ(rwsem, owner); in get_lock_owner()
332 struct rw_semaphore___new *rwsem = (void *)lock; in get_lock_owner() local
333 owner = BPF_CORE_READ(rwsem, owner.counter); in get_lock_owner()
337 struct rw_semaphore *rwsem = (void *)lock; in get_lock_owner()
338 owner = BPF_CORE_READ(rwsem, owner.counter); in get_lock_owner()
/linux-6.15/drivers/gpu/drm/vmwgfx/
H A Dvmwgfx_irq.c193 down_read(&fifo_state->rwsem); in vmw_fallback_wait()
237 up_read(&fifo_state->rwsem); in vmw_fallback_wait()
H A 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-6.15/mm/
H A Drmap.c132 if (rwsem_is_locked(&anon_vma->root->rwsem)) { in anon_vma_free()
248 up_write(&root->rwsem); in lock_anon_vma_root()
250 down_write(&root->rwsem); in lock_anon_vma_root()
258 up_write(&root->rwsem); in unlock_anon_vma_root()
455 init_rwsem(&anon_vma->rwsem); in anon_vma_ctor()
560 if (down_read_trylock(&root_anon_vma->rwsem)) { in folio_lock_anon_vma_read()
567 up_read(&root_anon_vma->rwsem); in folio_lock_anon_vma_read()
578 up_read(&root_anon_vma->rwsem); in folio_lock_anon_vma_read()

12