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Searched refs:down_read (Results 1 – 25 of 413) sorted by relevance

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/Linux-v5.4/kernel/bpf/
Doffload.c132 down_read(&bpf_devs_lock); in bpf_prog_offload_verifier_prep()
149 down_read(&bpf_devs_lock); in bpf_prog_offload_verify_insn()
164 down_read(&bpf_devs_lock); in bpf_prog_offload_finalize()
185 down_read(&bpf_devs_lock); in bpf_prog_offload_replace_insn()
202 down_read(&bpf_devs_lock); in bpf_prog_offload_remove_insns()
240 down_read(&bpf_devs_lock); in bpf_prog_offload_translate()
276 down_read(&bpf_devs_lock); in bpf_prog_offload_info_fill_ns()
315 down_read(&bpf_devs_lock); in bpf_prog_offload_info_fill()
439 down_read(&bpf_devs_lock); in bpf_map_offload_lookup_elem()
456 down_read(&bpf_devs_lock); in bpf_map_offload_update_elem()
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/Linux-v5.4/fs/nilfs2/
Dsysfs.c262 down_read(&nilfs->ns_segctor_sem); in nilfs_checkpoints_checkpoints_number_show()
285 down_read(&nilfs->ns_segctor_sem); in nilfs_checkpoints_snapshots_number_show()
320 down_read(&nilfs->ns_segctor_sem); in nilfs_checkpoints_next_checkpoint_show()
389 down_read(&NILFS_MDT(nilfs->ns_dat)->mi_sem); in nilfs_segments_clean_segments_show()
404 down_read(&nilfs->ns_segctor_sem); in nilfs_segments_dirty_segments_show()
505 down_read(&nilfs->ns_segctor_sem); in nilfs_segctor_current_seg_sequence_show()
519 down_read(&nilfs->ns_segctor_sem); in nilfs_segctor_current_last_full_seg_show()
533 down_read(&nilfs->ns_segctor_sem); in nilfs_segctor_next_full_seg_show()
547 down_read(&nilfs->ns_segctor_sem); in nilfs_segctor_next_pseg_offset_show()
561 down_read(&nilfs->ns_segctor_sem); in nilfs_segctor_next_checkpoint_show()
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Dioctl.c308 down_read(&nilfs->ns_segctor_sem); in nilfs_ioctl_do_get_cpinfo()
343 down_read(&nilfs->ns_segctor_sem); in nilfs_ioctl_get_cpstat()
375 down_read(&nilfs->ns_segctor_sem); in nilfs_ioctl_do_get_suinfo()
410 down_read(&nilfs->ns_segctor_sem); in nilfs_ioctl_get_sustat()
442 down_read(&nilfs->ns_segctor_sem); in nilfs_ioctl_do_get_vinfo()
471 down_read(&nilfs->ns_segctor_sem); in nilfs_ioctl_do_get_bdescs()
1015 down_read(&nilfs->ns_segctor_sem); in nilfs_ioctl_sync()
1086 down_read(&nilfs->ns_segctor_sem); in nilfs_ioctl_trim_fs()
/Linux-v5.4/net/rds/
Dtransport.c94 down_read(&rds_trans_sem); in rds_trans_get_preferred()
115 down_read(&rds_trans_sem); in rds_trans_get()
146 down_read(&rds_trans_sem); in rds_trans_stats_info_copy()
/Linux-v5.4/include/linux/
Drwsem.h127 extern void down_read(struct rw_semaphore *sem);
195 # define down_read_nested(sem, subclass) down_read(sem)
199 # define down_read_non_owner(sem) down_read(sem)
/Linux-v5.4/drivers/md/
Ddm-target.c34 down_read(&_lock); in get_target_type()
63 down_read(&_lock); in dm_put_target_type()
73 down_read(&_lock); in dm_target_iterate()
Ddm-path-selector.c45 down_read(&_ps_lock); in get_path_selector()
77 down_read(&_ps_lock); in dm_put_path_selector()
Ddm-thin-metadata.c920 down_read(&pmd->root_lock); in dm_pool_metadata_close()
1243 down_read(&pmd->root_lock); in dm_pool_get_metadata_transaction_id()
1408 down_read(&pmd->root_lock); in dm_pool_get_metadata_snap()
1494 down_read(&pmd->root_lock); in dm_thin_find_block()
1576 down_read(&pmd->root_lock); in dm_thin_find_mapped_range()
1727 down_read(&pmd->root_lock); in dm_pool_block_is_shared()
1770 down_read(&td->pmd->root_lock); in dm_thin_changed_this_transaction()
1782 down_read(&pmd->root_lock); in dm_pool_changed_this_transaction()
1798 down_read(&td->pmd->root_lock); in dm_thin_aborted_changes()
1874 down_read(&pmd->root_lock); in dm_pool_get_free_block_count()
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/Linux-v5.4/drivers/leds/
Dled-triggers.c48 down_read(&triggers_list_lock); in led_trigger_store()
76 down_read(&triggers_list_lock); in led_trigger_show()
77 down_read(&led_cdev->trigger_lock); in led_trigger_show()
197 down_read(&triggers_list_lock); in led_trigger_set_default()
247 down_read(&leds_list_lock); in led_trigger_register()
276 down_read(&leds_list_lock); in led_trigger_unregister()
/Linux-v5.4/drivers/staging/greybus/
Daudio_manager.c112 down_read(&modules_rwsem); in gb_audio_manager_get_module()
130 down_read(&modules_rwsem); in gb_audio_manager_dump_module()
147 down_read(&modules_rwsem); in gb_audio_manager_dump_all()
/Linux-v5.4/arch/arm/lib/
Duaccess_with_memcpy.c99 down_read(&current->mm->mmap_sem); in __copy_to_user_memcpy()
111 down_read(&current->mm->mmap_sem); in __copy_to_user_memcpy()
168 down_read(&current->mm->mmap_sem); in __clear_user_memset()
178 down_read(&current->mm->mmap_sem); in __clear_user_memset()
/Linux-v5.4/arch/x86/mm/
Ddebug_pagetables.c19 down_read(&current->mm->mmap_sem); in ptdump_curknl_show()
32 down_read(&current->mm->mmap_sem); in ptdump_curusr_show()
/Linux-v5.4/fs/nfs/
Dio.c47 down_read(&inode->i_rwsem); in nfs_start_io_read()
127 down_read(&inode->i_rwsem); in nfs_start_io_direct()
/Linux-v5.4/drivers/infiniband/core/
Ddevice.c314 down_read(&devices_rwsem); in ib_device_get_by_index()
369 down_read(&devices_rwsem); in ib_device_get_by_name()
431 down_read(&ibdev->client_data_rwsem); in ib_device_rename()
819 down_read(&devices_rwsem); in ib_policy_change_task()
962 down_read(&rdma_nets_rwsem); in add_compat_devs()
978 down_read(&devices_rwsem); in remove_all_compat_devs()
985 down_read(&rdma_nets_rwsem); in remove_all_compat_devs()
1000 down_read(&devices_rwsem); in add_all_compat_devs()
1007 down_read(&rdma_nets_rwsem); in add_all_compat_devs()
1068 down_read(&devices_rwsem); in rdma_dev_exit_net()
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/Linux-v5.4/fs/ceph/
Dio.c56 down_read(&inode->i_rwsem); in ceph_start_io_read()
142 down_read(&inode->i_rwsem); in ceph_start_io_direct()
Dquota.c239 down_read(&mdsc->snap_rwsem); in get_quota_realm()
280 down_read(&mdsc->snap_rwsem); in ceph_quota_is_same_realm()
326 down_read(&mdsc->snap_rwsem); in check_quota_exceeded()
346 down_read(&mdsc->snap_rwsem); in check_quota_exceeded()
487 down_read(&mdsc->snap_rwsem); in ceph_quota_update_statfs()
/Linux-v5.4/fs/configfs/
Dfile.c68 down_read(&frag->frag_sem); in fill_read_buffer()
162 down_read(&frag->frag_sem); in configfs_read_bin_file()
187 down_read(&frag->frag_sem); in configfs_read_bin_file()
249 down_read(&frag->frag_sem); in flush_write_buffer()
370 down_read(&frag->frag_sem); in __configfs_open_file()
479 down_read(&frag->frag_sem); in configfs_release_bin_file()
/Linux-v5.4/drivers/staging/comedi/kcomedilib/
Dkcomedilib_main.c45 down_read(&dev->attach_lock); in comedi_open()
216 down_read(&dev->attach_lock); in comedi_find_subdevice_by_type()
234 down_read(&dev->attach_lock); in comedi_get_n_channels()
/Linux-v5.4/mm/
Dmsync.c60 down_read(&mm->mmap_sem); in SYSCALL_DEFINE3()
96 down_read(&mm->mmap_sem); in SYSCALL_DEFINE3()
/Linux-v5.4/drivers/mtd/ubi/
Dfastmap-wl.c204 down_read(&ubi->fm_eba_sem); in ubi_wl_get_peb()
215 down_read(&ubi->fm_eba_sem); in ubi_wl_get_peb()
218 down_read(&ubi->fm_eba_sem); in ubi_wl_get_peb()
233 down_read(&ubi->fm_eba_sem); in ubi_wl_get_peb()
/Linux-v5.4/drivers/pci/pcie/
Dpme.c114 down_read(&pci_bus_sem); in pcie_pme_from_pci_bridge()
153 down_read(&pci_bus_sem); in pcie_pme_handle_request()
171 down_read(&pci_bus_sem); in pcie_pme_handle_request()
392 down_read(&pci_bus_sem); in pcie_pme_suspend()
/Linux-v5.4/fs/dlm/
Ddir.c54 down_read(&ls->ls_root_sem); in dlm_recover_dir_nodeid()
217 down_read(&ls->ls_root_sem); in find_rsb_root()
242 down_read(&ls->ls_root_sem); in dlm_copy_master_names()
/Linux-v5.4/drivers/tty/
Dtty_ioctl.c371 down_read(&tty->termios_rwsem); in set_termios()
425 down_read(&tty->termios_rwsem); in copy_termios()
432 down_read(&tty->termios_rwsem); in copy_termios_locked()
519 down_read(&tty->termios_rwsem); in get_sgttyb()
601 down_read(&tty->termios_rwsem); in get_tchars()
635 down_read(&tty->termios_rwsem); in get_ltchars()
822 down_read(&real_tty->termios_rwsem); in tty_mode_ioctl()
/Linux-v5.4/drivers/char/
Dapm-emulation.c194 down_read(&user_list_lock); in queue_event()
531 down_read(&user_list_lock); in apm_suspend_notifier()
569 down_read(&user_list_lock); in apm_suspend_notifier()
602 down_read(&user_list_lock); in apm_suspend_notifier()
/Linux-v5.4/drivers/block/zram/
Dzram_drv.c233 down_read(&zram->init_lock); in initstate_show()
277 down_read(&zram->init_lock); in mem_used_max_store()
297 down_read(&zram->init_lock); in idle_store()
331 down_read(&zram->init_lock); in writeback_limit_enable_store()
347 down_read(&zram->init_lock); in writeback_limit_enable_show()
366 down_read(&zram->init_lock); in writeback_limit_store()
382 down_read(&zram->init_lock); in writeback_limit_show()
421 down_read(&zram->init_lock); in backing_dev_show()
640 down_read(&zram->init_lock); in writeback_store()
876 down_read(&zram->init_lock); in read_block_state()
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