39 	struct the_nilfs *nilfs = container_of(kobj->parent, \
45 	return a->show ? a->show(a, nilfs, buf) : 0; \
51 	struct the_nilfs *nilfs = container_of(kobj->parent, \
57 	return a->store ? a->store(a, nilfs, buf, len) : 0; \
68 	struct the_nilfs *nilfs = container_of(kobj->parent, \
71 	subgroups = nilfs->ns_##parent_name##_subgroups; \
81 static int nilfs_sysfs_create_##name##_group(struct the_nilfs *nilfs) \
88 	subgroups = nilfs->ns_##parent_name##_subgroups; \
91 	parent = &nilfs->ns_##parent_name##_kobj; \
100 static void nilfs_sysfs_delete_##name##_group(struct the_nilfs *nilfs) \
102 	kobject_del(&nilfs->ns_##parent_name##_subgroups->sg_##name##_kobj); \
191 	struct the_nilfs *nilfs;  in nilfs_sysfs_create_snapshot_group()  local
195 	nilfs = root->nilfs;  in nilfs_sysfs_create_snapshot_group()
196 	parent = &nilfs->ns_dev_subgroups->sg_mounted_snapshots_kobj;  in nilfs_sysfs_create_snapshot_group()
203 					    &nilfs->ns_dev_kobj,  in nilfs_sysfs_create_snapshot_group()
233 				    struct the_nilfs *nilfs, char *buf)  in nilfs_mounted_snapshots_README_show()  argument
255 					    struct the_nilfs *nilfs,  in nilfs_checkpoints_checkpoints_number_show()  argument
262 	down_read(&nilfs->ns_segctor_sem);  in nilfs_checkpoints_checkpoints_number_show()
263 	err = nilfs_cpfile_get_stat(nilfs->ns_cpfile, &cpstat);  in nilfs_checkpoints_checkpoints_number_show()
264 	up_read(&nilfs->ns_segctor_sem);  in nilfs_checkpoints_checkpoints_number_show()
266 		nilfs_err(nilfs->ns_sb, "unable to get checkpoint stat: err=%d",  in nilfs_checkpoints_checkpoints_number_show()
278 					struct the_nilfs *nilfs,  in nilfs_checkpoints_snapshots_number_show()  argument
285 	down_read(&nilfs->ns_segctor_sem);  in nilfs_checkpoints_snapshots_number_show()
286 	err = nilfs_cpfile_get_stat(nilfs->ns_cpfile, &cpstat);  in nilfs_checkpoints_snapshots_number_show()
287 	up_read(&nilfs->ns_segctor_sem);  in nilfs_checkpoints_snapshots_number_show()
289 		nilfs_err(nilfs->ns_sb, "unable to get checkpoint stat: err=%d",  in nilfs_checkpoints_snapshots_number_show()
301 					    struct the_nilfs *nilfs,  in nilfs_checkpoints_last_seg_checkpoint_show()  argument
306 	spin_lock(&nilfs->ns_last_segment_lock);  in nilfs_checkpoints_last_seg_checkpoint_show()
307 	last_cno = nilfs->ns_last_cno;  in nilfs_checkpoints_last_seg_checkpoint_show()
308 	spin_unlock(&nilfs->ns_last_segment_lock);  in nilfs_checkpoints_last_seg_checkpoint_show()
315 					struct the_nilfs *nilfs,  in nilfs_checkpoints_next_checkpoint_show()  argument
320 	down_read(&nilfs->ns_segctor_sem);  in nilfs_checkpoints_next_checkpoint_show()
321 	cno = nilfs->ns_cno;  in nilfs_checkpoints_next_checkpoint_show()
322 	up_read(&nilfs->ns_segctor_sem);  in nilfs_checkpoints_next_checkpoint_show()
338 				struct the_nilfs *nilfs, char *buf)  in nilfs_checkpoints_README_show()  argument
368 				     struct the_nilfs *nilfs,  in nilfs_segments_segments_number_show()  argument
371 	return snprintf(buf, PAGE_SIZE, "%lu\n", nilfs->ns_nsegments);  in nilfs_segments_segments_number_show()
376 					struct the_nilfs *nilfs,  in nilfs_segments_blocks_per_segment_show()  argument
379 	return snprintf(buf, PAGE_SIZE, "%lu\n", nilfs->ns_blocks_per_segment);  in nilfs_segments_blocks_per_segment_show()
384 				    struct the_nilfs *nilfs,  in nilfs_segments_clean_segments_show()  argument
389 	down_read(&NILFS_MDT(nilfs->ns_dat)->mi_sem);  in nilfs_segments_clean_segments_show()
390 	ncleansegs = nilfs_sufile_get_ncleansegs(nilfs->ns_sufile);  in nilfs_segments_clean_segments_show()
391 	up_read(&NILFS_MDT(nilfs->ns_dat)->mi_sem);  in nilfs_segments_clean_segments_show()
398 				    struct the_nilfs *nilfs,  in nilfs_segments_dirty_segments_show()  argument
404 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segments_dirty_segments_show()
405 	err = nilfs_sufile_get_stat(nilfs->ns_sufile, &sustat);  in nilfs_segments_dirty_segments_show()
406 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segments_dirty_segments_show()
408 		nilfs_err(nilfs->ns_sb, "unable to get segment stat: err=%d",  in nilfs_segments_dirty_segments_show()
426 			    struct the_nilfs *nilfs,  in nilfs_segments_README_show()  argument
457 				    struct the_nilfs *nilfs,  in nilfs_segctor_last_pseg_block_show()  argument
462 	spin_lock(&nilfs->ns_last_segment_lock);  in nilfs_segctor_last_pseg_block_show()
463 	last_pseg = nilfs->ns_last_pseg;  in nilfs_segctor_last_pseg_block_show()
464 	spin_unlock(&nilfs->ns_last_segment_lock);  in nilfs_segctor_last_pseg_block_show()
472 					struct the_nilfs *nilfs,  in nilfs_segctor_last_seg_sequence_show()  argument
477 	spin_lock(&nilfs->ns_last_segment_lock);  in nilfs_segctor_last_seg_sequence_show()
478 	last_seq = nilfs->ns_last_seq;  in nilfs_segctor_last_seg_sequence_show()
479 	spin_unlock(&nilfs->ns_last_segment_lock);  in nilfs_segctor_last_seg_sequence_show()
486 					struct the_nilfs *nilfs,  in nilfs_segctor_last_seg_checkpoint_show()  argument
491 	spin_lock(&nilfs->ns_last_segment_lock);  in nilfs_segctor_last_seg_checkpoint_show()
492 	last_cno = nilfs->ns_last_cno;  in nilfs_segctor_last_seg_checkpoint_show()
493 	spin_unlock(&nilfs->ns_last_segment_lock);  in nilfs_segctor_last_seg_checkpoint_show()
500 					struct the_nilfs *nilfs,  in nilfs_segctor_current_seg_sequence_show()  argument
505 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_current_seg_sequence_show()
506 	seg_seq = nilfs->ns_seg_seq;  in nilfs_segctor_current_seg_sequence_show()
507 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_current_seg_sequence_show()
514 					 struct the_nilfs *nilfs,  in nilfs_segctor_current_last_full_seg_show()  argument
519 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_current_last_full_seg_show()
520 	segnum = nilfs->ns_segnum;  in nilfs_segctor_current_last_full_seg_show()
521 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_current_last_full_seg_show()
528 				 struct the_nilfs *nilfs,  in nilfs_segctor_next_full_seg_show()  argument
533 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_next_full_seg_show()
534 	nextnum = nilfs->ns_nextnum;  in nilfs_segctor_next_full_seg_show()
535 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_next_full_seg_show()
542 					struct the_nilfs *nilfs,  in nilfs_segctor_next_pseg_offset_show()  argument
547 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_next_pseg_offset_show()
548 	pseg_offset = nilfs->ns_pseg_offset;  in nilfs_segctor_next_pseg_offset_show()
549 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_next_pseg_offset_show()
556 					struct the_nilfs *nilfs,  in nilfs_segctor_next_checkpoint_show()  argument
561 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_next_checkpoint_show()
562 	cno = nilfs->ns_cno;  in nilfs_segctor_next_checkpoint_show()
563 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_next_checkpoint_show()
570 					struct the_nilfs *nilfs,  in nilfs_segctor_last_seg_write_time_show()  argument
575 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_last_seg_write_time_show()
576 	ctime = nilfs->ns_ctime;  in nilfs_segctor_last_seg_write_time_show()
577 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_last_seg_write_time_show()
584 					    struct the_nilfs *nilfs,  in nilfs_segctor_last_seg_write_time_secs_show()  argument
589 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_last_seg_write_time_secs_show()
590 	ctime = nilfs->ns_ctime;  in nilfs_segctor_last_seg_write_time_secs_show()
591 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_last_seg_write_time_secs_show()
598 					 struct the_nilfs *nilfs,  in nilfs_segctor_last_nongc_write_time_show()  argument
603 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_last_nongc_write_time_show()
604 	nongc_ctime = nilfs->ns_nongc_ctime;  in nilfs_segctor_last_nongc_write_time_show()
605 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_last_nongc_write_time_show()
612 						struct the_nilfs *nilfs,  in nilfs_segctor_last_nongc_write_time_secs_show()  argument
617 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_last_nongc_write_time_secs_show()
618 	nongc_ctime = nilfs->ns_nongc_ctime;  in nilfs_segctor_last_nongc_write_time_secs_show()
619 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_last_nongc_write_time_secs_show()
626 					    struct the_nilfs *nilfs,  in nilfs_segctor_dirty_data_blocks_count_show()  argument
631 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_dirty_data_blocks_count_show()
632 	ndirtyblks = atomic_read(&nilfs->ns_ndirtyblks);  in nilfs_segctor_dirty_data_blocks_count_show()
633 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_dirty_data_blocks_count_show()
670 			  struct the_nilfs *nilfs, char *buf)  in nilfs_segctor_README_show()  argument
718 				     struct the_nilfs *nilfs,  in nilfs_superblock_sb_write_time_show()  argument
723 	down_read(&nilfs->ns_sem);  in nilfs_superblock_sb_write_time_show()
724 	sbwtime = nilfs->ns_sbwtime;  in nilfs_superblock_sb_write_time_show()
725 	up_read(&nilfs->ns_sem);  in nilfs_superblock_sb_write_time_show()
732 					 struct the_nilfs *nilfs,  in nilfs_superblock_sb_write_time_secs_show()  argument
737 	down_read(&nilfs->ns_sem);  in nilfs_superblock_sb_write_time_secs_show()
738 	sbwtime = nilfs->ns_sbwtime;  in nilfs_superblock_sb_write_time_secs_show()
739 	up_read(&nilfs->ns_sem);  in nilfs_superblock_sb_write_time_secs_show()
746 				      struct the_nilfs *nilfs,  in nilfs_superblock_sb_write_count_show()  argument
751 	down_read(&nilfs->ns_sem);  in nilfs_superblock_sb_write_count_show()
752 	sbwcount = nilfs->ns_sbwcount;  in nilfs_superblock_sb_write_count_show()
753 	up_read(&nilfs->ns_sem);  in nilfs_superblock_sb_write_count_show()
760 					    struct the_nilfs *nilfs,  in nilfs_superblock_sb_update_frequency_show()  argument
765 	down_read(&nilfs->ns_sem);  in nilfs_superblock_sb_update_frequency_show()
766 	sb_update_freq = nilfs->ns_sb_update_freq;  in nilfs_superblock_sb_update_frequency_show()
767 	up_read(&nilfs->ns_sem);  in nilfs_superblock_sb_update_frequency_show()
774 					    struct the_nilfs *nilfs,  in nilfs_superblock_sb_update_frequency_store()  argument
782 		nilfs_err(nilfs->ns_sb, "unable to convert string: err=%d",  in nilfs_superblock_sb_update_frequency_store()
789 		nilfs_warn(nilfs->ns_sb,  in nilfs_superblock_sb_update_frequency_store()
793 	down_write(&nilfs->ns_sem);  in nilfs_superblock_sb_update_frequency_store()
794 	nilfs->ns_sb_update_freq = val;  in nilfs_superblock_sb_update_frequency_store()
795 	up_write(&nilfs->ns_sem);  in nilfs_superblock_sb_update_frequency_store()
815 				struct the_nilfs *nilfs, char *buf)  in nilfs_superblock_README_show()  argument
845 				struct the_nilfs *nilfs,  in nilfs_dev_revision_show()  argument
848 	struct nilfs_super_block **sbp = nilfs->ns_sbp;  in nilfs_dev_revision_show()
857 				 struct the_nilfs *nilfs,  in nilfs_dev_blocksize_show()  argument
860 	return snprintf(buf, PAGE_SIZE, "%u\n", nilfs->ns_blocksize);  in nilfs_dev_blocksize_show()
865 				    struct the_nilfs *nilfs,  in nilfs_dev_device_size_show()  argument
868 	struct nilfs_super_block **sbp = nilfs->ns_sbp;  in nilfs_dev_device_size_show()
876 				   struct the_nilfs *nilfs,  in nilfs_dev_free_blocks_show()  argument
881 	nilfs_count_free_blocks(nilfs, &free_blocks);  in nilfs_dev_free_blocks_show()
888 			    struct the_nilfs *nilfs,  in nilfs_dev_uuid_show()  argument
891 	struct nilfs_super_block **sbp = nilfs->ns_sbp;  in nilfs_dev_uuid_show()
898 				    struct the_nilfs *nilfs,  in nilfs_dev_volume_name_show()  argument
901 	struct nilfs_super_block **sbp = nilfs->ns_sbp;  in nilfs_dev_volume_name_show()
918 				     struct the_nilfs *nilfs,  in nilfs_dev_README_show()  argument
946 	struct the_nilfs *nilfs = container_of(kobj, struct the_nilfs,  in nilfs_dev_attr_show()  local
951 	return a->show ? a->show(a, nilfs, buf) : 0;  in nilfs_dev_attr_show()
958 	struct the_nilfs *nilfs = container_of(kobj, struct the_nilfs,  in nilfs_dev_attr_store()  local
963 	return a->store ? a->store(a, nilfs, buf, len) : 0;  in nilfs_dev_attr_store()
968 	struct the_nilfs *nilfs = container_of(kobj, struct the_nilfs,  in nilfs_dev_attr_release()  local
970 	complete(&nilfs->ns_dev_kobj_unregister);  in nilfs_dev_attr_release()
986 	struct the_nilfs *nilfs = sb->s_fs_info;  in nilfs_sysfs_create_device_group()  local
990 	nilfs->ns_dev_subgroups = kzalloc(devgrp_size, GFP_KERNEL);  in nilfs_sysfs_create_device_group()
991 	if (unlikely(!nilfs->ns_dev_subgroups)) {  in nilfs_sysfs_create_device_group()
997 	nilfs->ns_dev_kobj.kset = nilfs_kset;  in nilfs_sysfs_create_device_group()
998 	init_completion(&nilfs->ns_dev_kobj_unregister);  in nilfs_sysfs_create_device_group()
999 	err = kobject_init_and_add(&nilfs->ns_dev_kobj, &nilfs_dev_ktype, NULL,  in nilfs_sysfs_create_device_group()
1004 	err = nilfs_sysfs_create_mounted_snapshots_group(nilfs);  in nilfs_sysfs_create_device_group()
1008 	err = nilfs_sysfs_create_checkpoints_group(nilfs);  in nilfs_sysfs_create_device_group()
1012 	err = nilfs_sysfs_create_segments_group(nilfs);  in nilfs_sysfs_create_device_group()
1016 	err = nilfs_sysfs_create_superblock_group(nilfs);  in nilfs_sysfs_create_device_group()
1020 	err = nilfs_sysfs_create_segctor_group(nilfs);  in nilfs_sysfs_create_device_group()
1027 	nilfs_sysfs_delete_superblock_group(nilfs);  in nilfs_sysfs_create_device_group()
1030 	nilfs_sysfs_delete_segments_group(nilfs);  in nilfs_sysfs_create_device_group()
1033 	nilfs_sysfs_delete_checkpoints_group(nilfs);  in nilfs_sysfs_create_device_group()
1036 	nilfs_sysfs_delete_mounted_snapshots_group(nilfs);  in nilfs_sysfs_create_device_group()
1039 	kobject_del(&nilfs->ns_dev_kobj);  in nilfs_sysfs_create_device_group()
1042 	kfree(nilfs->ns_dev_subgroups);  in nilfs_sysfs_create_device_group()
1048 void nilfs_sysfs_delete_device_group(struct the_nilfs *nilfs)  in nilfs_sysfs_delete_device_group()  argument
1050 	nilfs_sysfs_delete_mounted_snapshots_group(nilfs);  in nilfs_sysfs_delete_device_group()
1051 	nilfs_sysfs_delete_checkpoints_group(nilfs);  in nilfs_sysfs_delete_device_group()
1052 	nilfs_sysfs_delete_segments_group(nilfs);  in nilfs_sysfs_delete_device_group()
1053 	nilfs_sysfs_delete_superblock_group(nilfs);  in nilfs_sysfs_delete_device_group()
1054 	nilfs_sysfs_delete_segctor_group(nilfs);  in nilfs_sysfs_delete_device_group()
1055 	kobject_del(&nilfs->ns_dev_kobj);  in nilfs_sysfs_delete_device_group()
1056 	kfree(nilfs->ns_dev_subgroups);  in nilfs_sysfs_delete_device_group()