713 	down_read(&nilfs->ns_sem);  in nilfs_superblock_sb_write_time_show()
715 	up_read(&nilfs->ns_sem);  in nilfs_superblock_sb_write_time_show()
727 	down_read(&nilfs->ns_sem);  in nilfs_superblock_sb_write_time_secs_show()
729 	up_read(&nilfs->ns_sem);  in nilfs_superblock_sb_write_time_secs_show()
741 	down_read(&nilfs->ns_sem);  in nilfs_superblock_sb_write_count_show()
743 	up_read(&nilfs->ns_sem);  in nilfs_superblock_sb_write_count_show()
755 	down_read(&nilfs->ns_sem);  in nilfs_superblock_sb_update_frequency_show()
757 	up_read(&nilfs->ns_sem);  in nilfs_superblock_sb_update_frequency_show()
783 	down_write(&nilfs->ns_sem);  in nilfs_superblock_sb_update_frequency_store()
785 	up_write(&nilfs->ns_sem);  in nilfs_superblock_sb_update_frequency_store()
843 	down_read(&nilfs->ns_sem);  in nilfs_dev_revision_show()
847 	up_read(&nilfs->ns_sem);  in nilfs_dev_revision_show()
868 	down_read(&nilfs->ns_sem);  in nilfs_dev_device_size_show()
871 	up_read(&nilfs->ns_sem);  in nilfs_dev_device_size_show()
896 	down_read(&nilfs->ns_sem);  in nilfs_dev_uuid_show()
899 	up_read(&nilfs->ns_sem);  in nilfs_dev_uuid_show()
912 	down_read(&nilfs->ns_sem);  in nilfs_dev_volume_name_show()
916 	up_read(&nilfs->ns_sem);  in nilfs_dev_volume_name_show()