| /linux/fs/btrfs/ |
| H A D | dev-replace.c | 355 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()
640 down_write(&dev_replace->rwsem); in btrfs_dev_replace_start()
651 up_write(&dev_replace->rwsem); in btrfs_dev_replace_start()
679 up_write(&dev_replace->rwsem); in btrfs_dev_replace_start()
696 down_write(&dev_replace->rwsem); in btrfs_dev_replace_start()
701 up_write(&dev_replace->rwsem); in btrfs_dev_replace_start()
[all …]
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| H A D | zoned.c | 1291 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()
1326 up_read(&dev_replace->rwsem); in btrfs_load_zone_info()
1338 up_read(&dev_replace->rwsem); in btrfs_load_zone_info()
1366 up_read(&dev_replace->rwsem); in btrfs_load_zone_info()
2267 down_read(&dev_replace->rwsem); in do_zone_finish()
2285 up_read(&dev_replace->rwsem); in do_zone_finish()
2293 up_read(&dev_replace->rwsem); in do_zone_finish()
2729 down_read(&fs_info->dev_replace.rwsem); in btrfs_reset_unused_block_groups()
[all …]
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| H A D | scrub.c | 2705 down_write(&dev_replace->rwsem); in scrub_enumerate_chunks()
2709 up_write(&dev_replace->rwsem); in scrub_enumerate_chunks()
2718 down_write(&dev_replace->rwsem); in scrub_enumerate_chunks()
2721 up_write(&dev_replace->rwsem); in scrub_enumerate_chunks()
2971 down_read(&fs_info->dev_replace.rwsem); in btrfs_scrub_dev()
2975 up_read(&fs_info->dev_replace.rwsem); in btrfs_scrub_dev()
2981 up_read(&fs_info->dev_replace.rwsem); in btrfs_scrub_dev()
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| /linux/drivers/gnss/ |
| H A D | core.c | 48 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()
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| /linux/kernel/time/ |
| H A D | posix-clock.c | 25 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()
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| /linux/kernel/ |
| H A D | notifier.c | 263 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()
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| /linux/drivers/cpufreq/ |
| H A D | cpufreq.c | 266 lockdep_assert_held(&policy->rwsem); in cpufreq_cpu_release()
268 up_write(&policy->rwsem); in cpufreq_cpu_release()
292 down_write(&policy->rwsem); in cpufreq_cpu_acquire()
503 lockdep_assert_held(&policy->rwsem); in cpufreq_enable_fast_switch()
991 down_read(&policy->rwsem); in show()
994 up_read(&policy->rwsem); in show()
1009 down_write(&policy->rwsem); in store()
1012 up_write(&policy->rwsem); in store()
1151 down_write(&policy->rwsem); in cpufreq_add_policy_cpu()
1162 up_write(&policy->rwsem); in cpufreq_add_policy_cpu()
[all …]
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| /linux/drivers/leds/ |
| H A D | leds-bd2802.c | 71 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 …]
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| /linux/include/linux/ |
| H A D | notifier.h | 66 struct rw_semaphore rwsem; member
86 init_rwsem(&(name)->rwsem); \
102 .rwsem = __RWSEM_INITIALIZER((name).rwsem), \
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| H A D | gnss.h | 45 struct rw_semaphore rwsem; member
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| H A D | posix-clock.h | 90 struct rw_semaphore rwsem; member
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| H A D | ipc_namespace.h | 21 struct rw_semaphore rwsem; member
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| H A D | rwsem.h | 155 extern void __init_rwsem(struct rw_semaphore *rwsem, const char *name,
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| /linux/tools/perf/Documentation/ |
| H A D | perf-lock.txt | 189 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.
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| /linux/tools/perf/util/bpf_skel/ |
| H A D | lock_contention.bpf.c | 293 struct rw_semaphore___old *rwsem = (void *)lock; in check_lock_type()
294 owner = (unsigned long)BPF_CORE_READ(rwsem, owner); in check_lock_type()
296 struct rw_semaphore___new *rwsem = (void *)lock; in check_lock_type()
297 owner = BPF_CORE_READ(rwsem, owner.counter); in check_lock_type()
301 struct rw_semaphore *rwsem = (void *)lock; in check_lock_type()
302 owner = BPF_CORE_READ(rwsem, owner.counter); in check_lock_type()
321 case LCB_F_READ: /* rwsem */ in get_tstamp_elem()
263 struct rw_semaphore___old *rwsem = (void *)lock; get_lock_owner() local
266 struct rw_semaphore___new *rwsem = (void *)lock; get_lock_owner() local
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| /linux/ipc/ |
| H A D | util.c | 38 * The ids->rwsem must be taken when:
63 #include <linux/rwsem.h>
119 init_rwsem(&ids->rwsem); in ipc_init_ids()
170 * Called with writer ipc_ids.rwsem held.
276 * Called with writer ipc_ids.rwsem held.
344 down_write(&ids->rwsem); in ipcget_new()
346 up_write(&ids->rwsem); in ipcget_new()
363 * It is called with ipc_ids.rwsem and ipcp->lock held.
408 down_write(&ids->rwsem); in ipcget_public()
434 up_write(&ids->rwsem); in ipcget_public()
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| H A D | shm.c | 374 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 …]
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| H A D | namespace.c | 132 down_write(&ids->rwsem); in free_ipcs()
145 up_write(&ids->rwsem); in free_ipcs()
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| H A D | msg.c | 408 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()
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| H A D | sem.c | 1328 down_read(&sem_ids(ns).rwsem); in semctl_info()
1337 up_read(&sem_ids(ns).rwsem); in semctl_info()
1608 down_write(&sem_ids(ns).rwsem); in semctl_down()
1647 up_write(&sem_ids(ns).rwsem); in semctl_down()
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| /linux/kernel/locking/ |
| H A D | Makefile | 6 obj-y += mutex.o semaphore.o rwsem.o percpu-rwsem.o
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| /linux/fs/erofs/ |
| H A D | data.c | 201 down_read(&devs->rwsem); in erofs_map_dev()
204 up_read(&devs->rwsem); in erofs_map_dev()
209 up_read(&devs->rwsem); in erofs_map_dev()
213 up_read(&devs->rwsem); in erofs_map_dev()
215 down_read(&devs->rwsem); in erofs_map_dev()
229 up_read(&devs->rwsem); in erofs_map_dev()
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| H A D | super.c | 218 down_read(&sbi->devs->rwsem); in erofs_scan_devices()
245 up_read(&sbi->devs->rwsem); in erofs_scan_devices()
472 down_write(&sbi->devs->rwsem); in erofs_fc_parse_param()
474 up_write(&sbi->devs->rwsem); in erofs_fc_parse_param()
803 init_rwsem(&sbi->devs->rwsem); in erofs_init_fs_context()
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| /linux/drivers/gpu/drm/vmwgfx/ |
| H A D | vmwgfx_irq.c | 193 down_read(&fifo_state->rwsem); in vmw_fallback_wait()
237 up_read(&fifo_state->rwsem); in vmw_fallback_wait()
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| /linux/lib/ |
| H A D | locking-selftest.c | 157 struct mutex *mutex, struct rw_semaphore *rwsem)\
162 init_rwsem(rwsem); \
2714 static inline const char *rw_semaphore_lockdep_name(struct rw_semaphore *rwsem) in rw_semaphore_lockdep_name() argument
2716 return rwsem->dep_map.name; in rw_semaphore_lockdep_name()
2719 static inline const char *rw_semaphore_lockdep_name(struct rw_semaphore *rwsem) in rw_semaphore_lockdep_name() argument
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