48 	struct the_nilfs *nilfs = container_of(kobj->parent, \
54 	return a->show ? a->show(a, nilfs, buf) : 0; \
60 	struct the_nilfs *nilfs = container_of(kobj->parent, \
66 	return a->store ? a->store(a, nilfs, buf, len) : 0; \
77 	struct the_nilfs *nilfs = container_of(kobj->parent, \
80 	subgroups = nilfs->ns_##parent_name##_subgroups; \
90 static int nilfs_sysfs_create_##name##_group(struct the_nilfs *nilfs) \
97 	subgroups = nilfs->ns_##parent_name##_subgroups; \
100 	parent = &nilfs->ns_##parent_name##_kobj; \
109 static void nilfs_sysfs_delete_##name##_group(struct the_nilfs *nilfs) \
111 	kobject_del(&nilfs->ns_##parent_name##_subgroups->sg_##name##_kobj); \
200 	struct the_nilfs *nilfs;  in nilfs_sysfs_create_snapshot_group()  local
204 	nilfs = root->nilfs;  in nilfs_sysfs_create_snapshot_group()
205 	parent = &nilfs->ns_dev_subgroups->sg_mounted_snapshots_kobj;  in nilfs_sysfs_create_snapshot_group()
212 					    &nilfs->ns_dev_kobj,  in nilfs_sysfs_create_snapshot_group()
242 				    struct the_nilfs *nilfs, char *buf)  in nilfs_mounted_snapshots_README_show()  argument
264 					    struct the_nilfs *nilfs,  in nilfs_checkpoints_checkpoints_number_show()  argument
271 	down_read(&nilfs->ns_segctor_sem);  in nilfs_checkpoints_checkpoints_number_show()
272 	err = nilfs_cpfile_get_stat(nilfs->ns_cpfile, &cpstat);  in nilfs_checkpoints_checkpoints_number_show()
273 	up_read(&nilfs->ns_segctor_sem);  in nilfs_checkpoints_checkpoints_number_show()
275 		nilfs_msg(nilfs->ns_sb, KERN_ERR,  in nilfs_checkpoints_checkpoints_number_show()
287 					struct the_nilfs *nilfs,  in nilfs_checkpoints_snapshots_number_show()  argument
294 	down_read(&nilfs->ns_segctor_sem);  in nilfs_checkpoints_snapshots_number_show()
295 	err = nilfs_cpfile_get_stat(nilfs->ns_cpfile, &cpstat);  in nilfs_checkpoints_snapshots_number_show()
296 	up_read(&nilfs->ns_segctor_sem);  in nilfs_checkpoints_snapshots_number_show()
298 		nilfs_msg(nilfs->ns_sb, KERN_ERR,  in nilfs_checkpoints_snapshots_number_show()
310 					    struct the_nilfs *nilfs,  in nilfs_checkpoints_last_seg_checkpoint_show()  argument
315 	spin_lock(&nilfs->ns_last_segment_lock);  in nilfs_checkpoints_last_seg_checkpoint_show()
316 	last_cno = nilfs->ns_last_cno;  in nilfs_checkpoints_last_seg_checkpoint_show()
317 	spin_unlock(&nilfs->ns_last_segment_lock);  in nilfs_checkpoints_last_seg_checkpoint_show()
324 					struct the_nilfs *nilfs,  in nilfs_checkpoints_next_checkpoint_show()  argument
329 	down_read(&nilfs->ns_segctor_sem);  in nilfs_checkpoints_next_checkpoint_show()
330 	cno = nilfs->ns_cno;  in nilfs_checkpoints_next_checkpoint_show()
331 	up_read(&nilfs->ns_segctor_sem);  in nilfs_checkpoints_next_checkpoint_show()
347 				struct the_nilfs *nilfs, char *buf)  in nilfs_checkpoints_README_show()  argument
377 				     struct the_nilfs *nilfs,  in nilfs_segments_segments_number_show()  argument
380 	return snprintf(buf, PAGE_SIZE, "%lu\n", nilfs->ns_nsegments);  in nilfs_segments_segments_number_show()
385 					struct the_nilfs *nilfs,  in nilfs_segments_blocks_per_segment_show()  argument
388 	return snprintf(buf, PAGE_SIZE, "%lu\n", nilfs->ns_blocks_per_segment);  in nilfs_segments_blocks_per_segment_show()
393 				    struct the_nilfs *nilfs,  in nilfs_segments_clean_segments_show()  argument
398 	down_read(&NILFS_MDT(nilfs->ns_dat)->mi_sem);  in nilfs_segments_clean_segments_show()
399 	ncleansegs = nilfs_sufile_get_ncleansegs(nilfs->ns_sufile);  in nilfs_segments_clean_segments_show()
400 	up_read(&NILFS_MDT(nilfs->ns_dat)->mi_sem);  in nilfs_segments_clean_segments_show()
407 				    struct the_nilfs *nilfs,  in nilfs_segments_dirty_segments_show()  argument
413 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segments_dirty_segments_show()
414 	err = nilfs_sufile_get_stat(nilfs->ns_sufile, &sustat);  in nilfs_segments_dirty_segments_show()
415 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segments_dirty_segments_show()
417 		nilfs_msg(nilfs->ns_sb, KERN_ERR,  in nilfs_segments_dirty_segments_show()
435 			    struct the_nilfs *nilfs,  in nilfs_segments_README_show()  argument
466 				    struct the_nilfs *nilfs,  in nilfs_segctor_last_pseg_block_show()  argument
471 	spin_lock(&nilfs->ns_last_segment_lock);  in nilfs_segctor_last_pseg_block_show()
472 	last_pseg = nilfs->ns_last_pseg;  in nilfs_segctor_last_pseg_block_show()
473 	spin_unlock(&nilfs->ns_last_segment_lock);  in nilfs_segctor_last_pseg_block_show()
481 					struct the_nilfs *nilfs,  in nilfs_segctor_last_seg_sequence_show()  argument
486 	spin_lock(&nilfs->ns_last_segment_lock);  in nilfs_segctor_last_seg_sequence_show()
487 	last_seq = nilfs->ns_last_seq;  in nilfs_segctor_last_seg_sequence_show()
488 	spin_unlock(&nilfs->ns_last_segment_lock);  in nilfs_segctor_last_seg_sequence_show()
495 					struct the_nilfs *nilfs,  in nilfs_segctor_last_seg_checkpoint_show()  argument
500 	spin_lock(&nilfs->ns_last_segment_lock);  in nilfs_segctor_last_seg_checkpoint_show()
501 	last_cno = nilfs->ns_last_cno;  in nilfs_segctor_last_seg_checkpoint_show()
502 	spin_unlock(&nilfs->ns_last_segment_lock);  in nilfs_segctor_last_seg_checkpoint_show()
509 					struct the_nilfs *nilfs,  in nilfs_segctor_current_seg_sequence_show()  argument
514 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_current_seg_sequence_show()
515 	seg_seq = nilfs->ns_seg_seq;  in nilfs_segctor_current_seg_sequence_show()
516 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_current_seg_sequence_show()
523 					 struct the_nilfs *nilfs,  in nilfs_segctor_current_last_full_seg_show()  argument
528 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_current_last_full_seg_show()
529 	segnum = nilfs->ns_segnum;  in nilfs_segctor_current_last_full_seg_show()
530 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_current_last_full_seg_show()
537 				 struct the_nilfs *nilfs,  in nilfs_segctor_next_full_seg_show()  argument
542 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_next_full_seg_show()
543 	nextnum = nilfs->ns_nextnum;  in nilfs_segctor_next_full_seg_show()
544 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_next_full_seg_show()
551 					struct the_nilfs *nilfs,  in nilfs_segctor_next_pseg_offset_show()  argument
556 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_next_pseg_offset_show()
557 	pseg_offset = nilfs->ns_pseg_offset;  in nilfs_segctor_next_pseg_offset_show()
558 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_next_pseg_offset_show()
565 					struct the_nilfs *nilfs,  in nilfs_segctor_next_checkpoint_show()  argument
570 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_next_checkpoint_show()
571 	cno = nilfs->ns_cno;  in nilfs_segctor_next_checkpoint_show()
572 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_next_checkpoint_show()
579 					struct the_nilfs *nilfs,  in nilfs_segctor_last_seg_write_time_show()  argument
584 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_last_seg_write_time_show()
585 	ctime = nilfs->ns_ctime;  in nilfs_segctor_last_seg_write_time_show()
586 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_last_seg_write_time_show()
593 					    struct the_nilfs *nilfs,  in nilfs_segctor_last_seg_write_time_secs_show()  argument
598 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_last_seg_write_time_secs_show()
599 	ctime = nilfs->ns_ctime;  in nilfs_segctor_last_seg_write_time_secs_show()
600 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_last_seg_write_time_secs_show()
607 					 struct the_nilfs *nilfs,  in nilfs_segctor_last_nongc_write_time_show()  argument
612 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_last_nongc_write_time_show()
613 	nongc_ctime = nilfs->ns_nongc_ctime;  in nilfs_segctor_last_nongc_write_time_show()
614 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_last_nongc_write_time_show()
621 						struct the_nilfs *nilfs,  in nilfs_segctor_last_nongc_write_time_secs_show()  argument
626 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_last_nongc_write_time_secs_show()
627 	nongc_ctime = nilfs->ns_nongc_ctime;  in nilfs_segctor_last_nongc_write_time_secs_show()
628 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_last_nongc_write_time_secs_show()
636 					    struct the_nilfs *nilfs,  in nilfs_segctor_dirty_data_blocks_count_show()  argument
641 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_dirty_data_blocks_count_show()
642 	ndirtyblks = atomic_read(&nilfs->ns_ndirtyblks);  in nilfs_segctor_dirty_data_blocks_count_show()
643 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_dirty_data_blocks_count_show()
680 			  struct the_nilfs *nilfs, char *buf)  in nilfs_segctor_README_show()  argument
728 				     struct the_nilfs *nilfs,  in nilfs_superblock_sb_write_time_show()  argument
733 	down_read(&nilfs->ns_sem);  in nilfs_superblock_sb_write_time_show()
734 	sbwtime = nilfs->ns_sbwtime;  in nilfs_superblock_sb_write_time_show()
735 	up_read(&nilfs->ns_sem);  in nilfs_superblock_sb_write_time_show()
742 					 struct the_nilfs *nilfs,  in nilfs_superblock_sb_write_time_secs_show()  argument
747 	down_read(&nilfs->ns_sem);  in nilfs_superblock_sb_write_time_secs_show()
748 	sbwtime = nilfs->ns_sbwtime;  in nilfs_superblock_sb_write_time_secs_show()
749 	up_read(&nilfs->ns_sem);  in nilfs_superblock_sb_write_time_secs_show()
756 				      struct the_nilfs *nilfs,  in nilfs_superblock_sb_write_count_show()  argument
761 	down_read(&nilfs->ns_sem);  in nilfs_superblock_sb_write_count_show()
762 	sbwcount = nilfs->ns_sbwcount;  in nilfs_superblock_sb_write_count_show()
763 	up_read(&nilfs->ns_sem);  in nilfs_superblock_sb_write_count_show()
770 					    struct the_nilfs *nilfs,  in nilfs_superblock_sb_update_frequency_show()  argument
775 	down_read(&nilfs->ns_sem);  in nilfs_superblock_sb_update_frequency_show()
776 	sb_update_freq = nilfs->ns_sb_update_freq;  in nilfs_superblock_sb_update_frequency_show()
777 	up_read(&nilfs->ns_sem);  in nilfs_superblock_sb_update_frequency_show()
784 					    struct the_nilfs *nilfs,  in nilfs_superblock_sb_update_frequency_store()  argument
792 		nilfs_msg(nilfs->ns_sb, KERN_ERR,  in nilfs_superblock_sb_update_frequency_store()
799 		nilfs_msg(nilfs->ns_sb, KERN_WARNING,  in nilfs_superblock_sb_update_frequency_store()
803 	down_write(&nilfs->ns_sem);  in nilfs_superblock_sb_update_frequency_store()
804 	nilfs->ns_sb_update_freq = val;  in nilfs_superblock_sb_update_frequency_store()
805 	up_write(&nilfs->ns_sem);  in nilfs_superblock_sb_update_frequency_store()
825 				struct the_nilfs *nilfs, char *buf)  in nilfs_superblock_README_show()  argument
855 				struct the_nilfs *nilfs,  in nilfs_dev_revision_show()  argument
858 	struct nilfs_super_block **sbp = nilfs->ns_sbp;  in nilfs_dev_revision_show()
867 				 struct the_nilfs *nilfs,  in nilfs_dev_blocksize_show()  argument
870 	return snprintf(buf, PAGE_SIZE, "%u\n", nilfs->ns_blocksize);  in nilfs_dev_blocksize_show()
875 				    struct the_nilfs *nilfs,  in nilfs_dev_device_size_show()  argument
878 	struct nilfs_super_block **sbp = nilfs->ns_sbp;  in nilfs_dev_device_size_show()
886 				   struct the_nilfs *nilfs,  in nilfs_dev_free_blocks_show()  argument
891 	nilfs_count_free_blocks(nilfs, &free_blocks);  in nilfs_dev_free_blocks_show()
898 			    struct the_nilfs *nilfs,  in nilfs_dev_uuid_show()  argument
901 	struct nilfs_super_block **sbp = nilfs->ns_sbp;  in nilfs_dev_uuid_show()
908 				    struct the_nilfs *nilfs,  in nilfs_dev_volume_name_show()  argument
911 	struct nilfs_super_block **sbp = nilfs->ns_sbp;  in nilfs_dev_volume_name_show()
928 				     struct the_nilfs *nilfs,  in nilfs_dev_README_show()  argument
956 	struct the_nilfs *nilfs = container_of(kobj, struct the_nilfs,  in nilfs_dev_attr_show()  local
961 	return a->show ? a->show(a, nilfs, buf) : 0;  in nilfs_dev_attr_show()
968 	struct the_nilfs *nilfs = container_of(kobj, struct the_nilfs,  in nilfs_dev_attr_store()  local
973 	return a->store ? a->store(a, nilfs, buf, len) : 0;  in nilfs_dev_attr_store()
978 	struct the_nilfs *nilfs = container_of(kobj, struct the_nilfs,  in nilfs_dev_attr_release()  local
980 	complete(&nilfs->ns_dev_kobj_unregister);  in nilfs_dev_attr_release()
996 	struct the_nilfs *nilfs = sb->s_fs_info;  in nilfs_sysfs_create_device_group()  local
1000 	nilfs->ns_dev_subgroups = kzalloc(devgrp_size, GFP_KERNEL);  in nilfs_sysfs_create_device_group()
1001 	if (unlikely(!nilfs->ns_dev_subgroups)) {  in nilfs_sysfs_create_device_group()
1008 	nilfs->ns_dev_kobj.kset = nilfs_kset;  in nilfs_sysfs_create_device_group()
1009 	init_completion(&nilfs->ns_dev_kobj_unregister);  in nilfs_sysfs_create_device_group()
1010 	err = kobject_init_and_add(&nilfs->ns_dev_kobj, &nilfs_dev_ktype, NULL,  in nilfs_sysfs_create_device_group()
1015 	err = nilfs_sysfs_create_mounted_snapshots_group(nilfs);  in nilfs_sysfs_create_device_group()
1019 	err = nilfs_sysfs_create_checkpoints_group(nilfs);  in nilfs_sysfs_create_device_group()
1023 	err = nilfs_sysfs_create_segments_group(nilfs);  in nilfs_sysfs_create_device_group()
1027 	err = nilfs_sysfs_create_superblock_group(nilfs);  in nilfs_sysfs_create_device_group()
1031 	err = nilfs_sysfs_create_segctor_group(nilfs);  in nilfs_sysfs_create_device_group()
1038 	nilfs_sysfs_delete_superblock_group(nilfs);  in nilfs_sysfs_create_device_group()
1041 	nilfs_sysfs_delete_segments_group(nilfs);  in nilfs_sysfs_create_device_group()
1044 	nilfs_sysfs_delete_checkpoints_group(nilfs);  in nilfs_sysfs_create_device_group()
1047 	nilfs_sysfs_delete_mounted_snapshots_group(nilfs);  in nilfs_sysfs_create_device_group()
1050 	kobject_del(&nilfs->ns_dev_kobj);  in nilfs_sysfs_create_device_group()
1053 	kfree(nilfs->ns_dev_subgroups);  in nilfs_sysfs_create_device_group()
1059 void nilfs_sysfs_delete_device_group(struct the_nilfs *nilfs)  in nilfs_sysfs_delete_device_group()  argument
1061 	nilfs_sysfs_delete_mounted_snapshots_group(nilfs);  in nilfs_sysfs_delete_device_group()
1062 	nilfs_sysfs_delete_checkpoints_group(nilfs);  in nilfs_sysfs_delete_device_group()
1063 	nilfs_sysfs_delete_segments_group(nilfs);  in nilfs_sysfs_delete_device_group()
1064 	nilfs_sysfs_delete_superblock_group(nilfs);  in nilfs_sysfs_delete_device_group()
1065 	nilfs_sysfs_delete_segctor_group(nilfs);  in nilfs_sysfs_delete_device_group()
1066 	kobject_del(&nilfs->ns_dev_kobj);  in nilfs_sysfs_delete_device_group()
1067 	kfree(nilfs->ns_dev_subgroups);  in nilfs_sysfs_delete_device_group()