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; \
79 static int nilfs_sysfs_create_##name##_group(struct the_nilfs *nilfs) \
86 	subgroups = nilfs->ns_##parent_name##_subgroups; \
89 	parent = &nilfs->ns_##parent_name##_kobj; \
98 static void nilfs_sysfs_delete_##name##_group(struct the_nilfs *nilfs) \
100 	kobject_put(&nilfs->ns_##parent_name##_subgroups->sg_##name##_kobj); \
189 	struct the_nilfs *nilfs;  in nilfs_sysfs_create_snapshot_group()  local
193 	nilfs = root->nilfs;  in nilfs_sysfs_create_snapshot_group()
194 	parent = &nilfs->ns_dev_subgroups->sg_mounted_snapshots_kobj;  in nilfs_sysfs_create_snapshot_group()
201 					    &nilfs->ns_dev_kobj,  in nilfs_sysfs_create_snapshot_group()
231 				    struct the_nilfs *nilfs, char *buf)  in nilfs_mounted_snapshots_README_show()  argument
253 					    struct the_nilfs *nilfs,  in nilfs_checkpoints_checkpoints_number_show()  argument
260 	down_read(&nilfs->ns_segctor_sem);  in nilfs_checkpoints_checkpoints_number_show()
261 	err = nilfs_cpfile_get_stat(nilfs->ns_cpfile, &cpstat);  in nilfs_checkpoints_checkpoints_number_show()
262 	up_read(&nilfs->ns_segctor_sem);  in nilfs_checkpoints_checkpoints_number_show()
264 		nilfs_err(nilfs->ns_sb, "unable to get checkpoint stat: err=%d",  in nilfs_checkpoints_checkpoints_number_show()
276 					struct the_nilfs *nilfs,  in nilfs_checkpoints_snapshots_number_show()  argument
283 	down_read(&nilfs->ns_segctor_sem);  in nilfs_checkpoints_snapshots_number_show()
284 	err = nilfs_cpfile_get_stat(nilfs->ns_cpfile, &cpstat);  in nilfs_checkpoints_snapshots_number_show()
285 	up_read(&nilfs->ns_segctor_sem);  in nilfs_checkpoints_snapshots_number_show()
287 		nilfs_err(nilfs->ns_sb, "unable to get checkpoint stat: err=%d",  in nilfs_checkpoints_snapshots_number_show()
299 					    struct the_nilfs *nilfs,  in nilfs_checkpoints_last_seg_checkpoint_show()  argument
304 	spin_lock(&nilfs->ns_last_segment_lock);  in nilfs_checkpoints_last_seg_checkpoint_show()
305 	last_cno = nilfs->ns_last_cno;  in nilfs_checkpoints_last_seg_checkpoint_show()
306 	spin_unlock(&nilfs->ns_last_segment_lock);  in nilfs_checkpoints_last_seg_checkpoint_show()
313 					struct the_nilfs *nilfs,  in nilfs_checkpoints_next_checkpoint_show()  argument
318 	down_read(&nilfs->ns_segctor_sem);  in nilfs_checkpoints_next_checkpoint_show()
319 	cno = nilfs->ns_cno;  in nilfs_checkpoints_next_checkpoint_show()
320 	up_read(&nilfs->ns_segctor_sem);  in nilfs_checkpoints_next_checkpoint_show()
336 				struct the_nilfs *nilfs, char *buf)  in nilfs_checkpoints_README_show()  argument
366 				     struct the_nilfs *nilfs,  in nilfs_segments_segments_number_show()  argument
369 	return snprintf(buf, PAGE_SIZE, "%lu\n", nilfs->ns_nsegments);  in nilfs_segments_segments_number_show()
374 					struct the_nilfs *nilfs,  in nilfs_segments_blocks_per_segment_show()  argument
377 	return snprintf(buf, PAGE_SIZE, "%lu\n", nilfs->ns_blocks_per_segment);  in nilfs_segments_blocks_per_segment_show()
382 				    struct the_nilfs *nilfs,  in nilfs_segments_clean_segments_show()  argument
387 	down_read(&NILFS_MDT(nilfs->ns_dat)->mi_sem);  in nilfs_segments_clean_segments_show()
388 	ncleansegs = nilfs_sufile_get_ncleansegs(nilfs->ns_sufile);  in nilfs_segments_clean_segments_show()
389 	up_read(&NILFS_MDT(nilfs->ns_dat)->mi_sem);  in nilfs_segments_clean_segments_show()
396 				    struct the_nilfs *nilfs,  in nilfs_segments_dirty_segments_show()  argument
402 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segments_dirty_segments_show()
403 	err = nilfs_sufile_get_stat(nilfs->ns_sufile, &sustat);  in nilfs_segments_dirty_segments_show()
404 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segments_dirty_segments_show()
406 		nilfs_err(nilfs->ns_sb, "unable to get segment stat: err=%d",  in nilfs_segments_dirty_segments_show()
424 			    struct the_nilfs *nilfs,  in nilfs_segments_README_show()  argument
455 				    struct the_nilfs *nilfs,  in nilfs_segctor_last_pseg_block_show()  argument
460 	spin_lock(&nilfs->ns_last_segment_lock);  in nilfs_segctor_last_pseg_block_show()
461 	last_pseg = nilfs->ns_last_pseg;  in nilfs_segctor_last_pseg_block_show()
462 	spin_unlock(&nilfs->ns_last_segment_lock);  in nilfs_segctor_last_pseg_block_show()
470 					struct the_nilfs *nilfs,  in nilfs_segctor_last_seg_sequence_show()  argument
475 	spin_lock(&nilfs->ns_last_segment_lock);  in nilfs_segctor_last_seg_sequence_show()
476 	last_seq = nilfs->ns_last_seq;  in nilfs_segctor_last_seg_sequence_show()
477 	spin_unlock(&nilfs->ns_last_segment_lock);  in nilfs_segctor_last_seg_sequence_show()
484 					struct the_nilfs *nilfs,  in nilfs_segctor_last_seg_checkpoint_show()  argument
489 	spin_lock(&nilfs->ns_last_segment_lock);  in nilfs_segctor_last_seg_checkpoint_show()
490 	last_cno = nilfs->ns_last_cno;  in nilfs_segctor_last_seg_checkpoint_show()
491 	spin_unlock(&nilfs->ns_last_segment_lock);  in nilfs_segctor_last_seg_checkpoint_show()
498 					struct the_nilfs *nilfs,  in nilfs_segctor_current_seg_sequence_show()  argument
503 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_current_seg_sequence_show()
504 	seg_seq = nilfs->ns_seg_seq;  in nilfs_segctor_current_seg_sequence_show()
505 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_current_seg_sequence_show()
512 					 struct the_nilfs *nilfs,  in nilfs_segctor_current_last_full_seg_show()  argument
517 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_current_last_full_seg_show()
518 	segnum = nilfs->ns_segnum;  in nilfs_segctor_current_last_full_seg_show()
519 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_current_last_full_seg_show()
526 				 struct the_nilfs *nilfs,  in nilfs_segctor_next_full_seg_show()  argument
531 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_next_full_seg_show()
532 	nextnum = nilfs->ns_nextnum;  in nilfs_segctor_next_full_seg_show()
533 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_next_full_seg_show()
540 					struct the_nilfs *nilfs,  in nilfs_segctor_next_pseg_offset_show()  argument
545 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_next_pseg_offset_show()
546 	pseg_offset = nilfs->ns_pseg_offset;  in nilfs_segctor_next_pseg_offset_show()
547 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_next_pseg_offset_show()
554 					struct the_nilfs *nilfs,  in nilfs_segctor_next_checkpoint_show()  argument
559 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_next_checkpoint_show()
560 	cno = nilfs->ns_cno;  in nilfs_segctor_next_checkpoint_show()
561 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_next_checkpoint_show()
568 					struct the_nilfs *nilfs,  in nilfs_segctor_last_seg_write_time_show()  argument
573 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_last_seg_write_time_show()
574 	ctime = nilfs->ns_ctime;  in nilfs_segctor_last_seg_write_time_show()
575 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_last_seg_write_time_show()
582 					    struct the_nilfs *nilfs,  in nilfs_segctor_last_seg_write_time_secs_show()  argument
587 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_last_seg_write_time_secs_show()
588 	ctime = nilfs->ns_ctime;  in nilfs_segctor_last_seg_write_time_secs_show()
589 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_last_seg_write_time_secs_show()
596 					 struct the_nilfs *nilfs,  in nilfs_segctor_last_nongc_write_time_show()  argument
601 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_last_nongc_write_time_show()
602 	nongc_ctime = nilfs->ns_nongc_ctime;  in nilfs_segctor_last_nongc_write_time_show()
603 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_last_nongc_write_time_show()
610 						struct the_nilfs *nilfs,  in nilfs_segctor_last_nongc_write_time_secs_show()  argument
615 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_last_nongc_write_time_secs_show()
616 	nongc_ctime = nilfs->ns_nongc_ctime;  in nilfs_segctor_last_nongc_write_time_secs_show()
617 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_last_nongc_write_time_secs_show()
624 					    struct the_nilfs *nilfs,  in nilfs_segctor_dirty_data_blocks_count_show()  argument
629 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_dirty_data_blocks_count_show()
630 	ndirtyblks = atomic_read(&nilfs->ns_ndirtyblks);  in nilfs_segctor_dirty_data_blocks_count_show()
631 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_dirty_data_blocks_count_show()
668 			  struct the_nilfs *nilfs, char *buf)  in nilfs_segctor_README_show()  argument
716 				     struct the_nilfs *nilfs,  in nilfs_superblock_sb_write_time_show()  argument
721 	down_read(&nilfs->ns_sem);  in nilfs_superblock_sb_write_time_show()
722 	sbwtime = nilfs->ns_sbwtime;  in nilfs_superblock_sb_write_time_show()
723 	up_read(&nilfs->ns_sem);  in nilfs_superblock_sb_write_time_show()
730 					 struct the_nilfs *nilfs,  in nilfs_superblock_sb_write_time_secs_show()  argument
735 	down_read(&nilfs->ns_sem);  in nilfs_superblock_sb_write_time_secs_show()
736 	sbwtime = nilfs->ns_sbwtime;  in nilfs_superblock_sb_write_time_secs_show()
737 	up_read(&nilfs->ns_sem);  in nilfs_superblock_sb_write_time_secs_show()
744 				      struct the_nilfs *nilfs,  in nilfs_superblock_sb_write_count_show()  argument
749 	down_read(&nilfs->ns_sem);  in nilfs_superblock_sb_write_count_show()
750 	sbwcount = nilfs->ns_sbwcount;  in nilfs_superblock_sb_write_count_show()
751 	up_read(&nilfs->ns_sem);  in nilfs_superblock_sb_write_count_show()
758 					    struct the_nilfs *nilfs,  in nilfs_superblock_sb_update_frequency_show()  argument
763 	down_read(&nilfs->ns_sem);  in nilfs_superblock_sb_update_frequency_show()
764 	sb_update_freq = nilfs->ns_sb_update_freq;  in nilfs_superblock_sb_update_frequency_show()
765 	up_read(&nilfs->ns_sem);  in nilfs_superblock_sb_update_frequency_show()
772 					    struct the_nilfs *nilfs,  in nilfs_superblock_sb_update_frequency_store()  argument
780 		nilfs_err(nilfs->ns_sb, "unable to convert string: err=%d",  in nilfs_superblock_sb_update_frequency_store()
787 		nilfs_warn(nilfs->ns_sb,  in nilfs_superblock_sb_update_frequency_store()
791 	down_write(&nilfs->ns_sem);  in nilfs_superblock_sb_update_frequency_store()
792 	nilfs->ns_sb_update_freq = val;  in nilfs_superblock_sb_update_frequency_store()
793 	up_write(&nilfs->ns_sem);  in nilfs_superblock_sb_update_frequency_store()
813 				struct the_nilfs *nilfs, char *buf)  in nilfs_superblock_README_show()  argument
843 				struct the_nilfs *nilfs,  in nilfs_dev_revision_show()  argument
846 	struct nilfs_super_block **sbp = nilfs->ns_sbp;  in nilfs_dev_revision_show()
855 				 struct the_nilfs *nilfs,  in nilfs_dev_blocksize_show()  argument
858 	return snprintf(buf, PAGE_SIZE, "%u\n", nilfs->ns_blocksize);  in nilfs_dev_blocksize_show()
863 				    struct the_nilfs *nilfs,  in nilfs_dev_device_size_show()  argument
866 	struct nilfs_super_block **sbp = nilfs->ns_sbp;  in nilfs_dev_device_size_show()
874 				   struct the_nilfs *nilfs,  in nilfs_dev_free_blocks_show()  argument
879 	nilfs_count_free_blocks(nilfs, &free_blocks);  in nilfs_dev_free_blocks_show()
886 			    struct the_nilfs *nilfs,  in nilfs_dev_uuid_show()  argument
889 	struct nilfs_super_block **sbp = nilfs->ns_sbp;  in nilfs_dev_uuid_show()
896 				    struct the_nilfs *nilfs,  in nilfs_dev_volume_name_show()  argument
899 	struct nilfs_super_block **sbp = nilfs->ns_sbp;  in nilfs_dev_volume_name_show()
916 				     struct the_nilfs *nilfs,  in nilfs_dev_README_show()  argument
944 	struct the_nilfs *nilfs = container_of(kobj, struct the_nilfs,  in nilfs_dev_attr_show()  local
949 	return a->show ? a->show(a, nilfs, buf) : 0;  in nilfs_dev_attr_show()
956 	struct the_nilfs *nilfs = container_of(kobj, struct the_nilfs,  in nilfs_dev_attr_store()  local
961 	return a->store ? a->store(a, nilfs, buf, len) : 0;  in nilfs_dev_attr_store()
966 	struct the_nilfs *nilfs = container_of(kobj, struct the_nilfs,  in nilfs_dev_attr_release()  local
968 	complete(&nilfs->ns_dev_kobj_unregister);  in nilfs_dev_attr_release()
984 	struct the_nilfs *nilfs = sb->s_fs_info;  in nilfs_sysfs_create_device_group()  local
988 	nilfs->ns_dev_subgroups = kzalloc(devgrp_size, GFP_KERNEL);  in nilfs_sysfs_create_device_group()
989 	if (unlikely(!nilfs->ns_dev_subgroups)) {  in nilfs_sysfs_create_device_group()
995 	nilfs->ns_dev_kobj.kset = nilfs_kset;  in nilfs_sysfs_create_device_group()
996 	init_completion(&nilfs->ns_dev_kobj_unregister);  in nilfs_sysfs_create_device_group()
997 	err = kobject_init_and_add(&nilfs->ns_dev_kobj, &nilfs_dev_ktype, NULL,  in nilfs_sysfs_create_device_group()
1002 	err = nilfs_sysfs_create_mounted_snapshots_group(nilfs);  in nilfs_sysfs_create_device_group()
1006 	err = nilfs_sysfs_create_checkpoints_group(nilfs);  in nilfs_sysfs_create_device_group()
1010 	err = nilfs_sysfs_create_segments_group(nilfs);  in nilfs_sysfs_create_device_group()
1014 	err = nilfs_sysfs_create_superblock_group(nilfs);  in nilfs_sysfs_create_device_group()
1018 	err = nilfs_sysfs_create_segctor_group(nilfs);  in nilfs_sysfs_create_device_group()
1025 	nilfs_sysfs_delete_superblock_group(nilfs);  in nilfs_sysfs_create_device_group()
1028 	nilfs_sysfs_delete_segments_group(nilfs);  in nilfs_sysfs_create_device_group()
1031 	nilfs_sysfs_delete_checkpoints_group(nilfs);  in nilfs_sysfs_create_device_group()
1034 	nilfs_sysfs_delete_mounted_snapshots_group(nilfs);  in nilfs_sysfs_create_device_group()
1037 	kobject_put(&nilfs->ns_dev_kobj);  in nilfs_sysfs_create_device_group()
1038 	kfree(nilfs->ns_dev_subgroups);  in nilfs_sysfs_create_device_group()
1044 void nilfs_sysfs_delete_device_group(struct the_nilfs *nilfs)  in nilfs_sysfs_delete_device_group()  argument
1046 	nilfs_sysfs_delete_mounted_snapshots_group(nilfs);  in nilfs_sysfs_delete_device_group()
1047 	nilfs_sysfs_delete_checkpoints_group(nilfs);  in nilfs_sysfs_delete_device_group()
1048 	nilfs_sysfs_delete_segments_group(nilfs);  in nilfs_sysfs_delete_device_group()
1049 	nilfs_sysfs_delete_superblock_group(nilfs);  in nilfs_sysfs_delete_device_group()
1050 	nilfs_sysfs_delete_segctor_group(nilfs);  in nilfs_sysfs_delete_device_group()
1051 	kobject_del(&nilfs->ns_dev_kobj);  in nilfs_sysfs_delete_device_group()
1052 	kobject_put(&nilfs->ns_dev_kobj);  in nilfs_sysfs_delete_device_group()
1053 	kfree(nilfs->ns_dev_subgroups);  in nilfs_sysfs_delete_device_group()