26 	struct the_nilfs *nilfs = container_of(kobj->parent, \
32 	return a->show ? a->show(a, nilfs, buf) : 0; \
38 	struct the_nilfs *nilfs = container_of(kobj->parent, \
44 	return a->store ? a->store(a, nilfs, buf, len) : 0; \
66 static int nilfs_sysfs_create_##name##_group(struct the_nilfs *nilfs) \
73 	subgroups = nilfs->ns_##parent_name##_subgroups; \
76 	parent = &nilfs->ns_##parent_name##_kobj; \
85 static void nilfs_sysfs_delete_##name##_group(struct the_nilfs *nilfs) \
87 	kobject_put(&nilfs->ns_##parent_name##_subgroups->sg_##name##_kobj); \
177 	struct the_nilfs *nilfs;  in nilfs_sysfs_create_snapshot_group()  local
181 	nilfs = root->nilfs;  in nilfs_sysfs_create_snapshot_group()
182 	parent = &nilfs->ns_dev_subgroups->sg_mounted_snapshots_kobj;  in nilfs_sysfs_create_snapshot_group()
189 					    &nilfs->ns_dev_kobj,  in nilfs_sysfs_create_snapshot_group()
219 				    struct the_nilfs *nilfs, char *buf)  in nilfs_mounted_snapshots_README_show()  argument
242 					    struct the_nilfs *nilfs,  in nilfs_checkpoints_checkpoints_number_show()  argument
249 	down_read(&nilfs->ns_segctor_sem);  in nilfs_checkpoints_checkpoints_number_show()
250 	err = nilfs_cpfile_get_stat(nilfs->ns_cpfile, &cpstat);  in nilfs_checkpoints_checkpoints_number_show()
251 	up_read(&nilfs->ns_segctor_sem);  in nilfs_checkpoints_checkpoints_number_show()
253 		nilfs_err(nilfs->ns_sb, "unable to get checkpoint stat: err=%d",  in nilfs_checkpoints_checkpoints_number_show()
265 					struct the_nilfs *nilfs,  in nilfs_checkpoints_snapshots_number_show()  argument
272 	down_read(&nilfs->ns_segctor_sem);  in nilfs_checkpoints_snapshots_number_show()
273 	err = nilfs_cpfile_get_stat(nilfs->ns_cpfile, &cpstat);  in nilfs_checkpoints_snapshots_number_show()
274 	up_read(&nilfs->ns_segctor_sem);  in nilfs_checkpoints_snapshots_number_show()
276 		nilfs_err(nilfs->ns_sb, "unable to get checkpoint stat: err=%d",  in nilfs_checkpoints_snapshots_number_show()
288 					    struct the_nilfs *nilfs,  in nilfs_checkpoints_last_seg_checkpoint_show()  argument
293 	spin_lock(&nilfs->ns_last_segment_lock);  in nilfs_checkpoints_last_seg_checkpoint_show()
294 	last_cno = nilfs->ns_last_cno;  in nilfs_checkpoints_last_seg_checkpoint_show()
295 	spin_unlock(&nilfs->ns_last_segment_lock);  in nilfs_checkpoints_last_seg_checkpoint_show()
302 					struct the_nilfs *nilfs,  in nilfs_checkpoints_next_checkpoint_show()  argument
307 	down_read(&nilfs->ns_segctor_sem);  in nilfs_checkpoints_next_checkpoint_show()
308 	cno = nilfs->ns_cno;  in nilfs_checkpoints_next_checkpoint_show()
309 	up_read(&nilfs->ns_segctor_sem);  in nilfs_checkpoints_next_checkpoint_show()
325 				struct the_nilfs *nilfs, char *buf)  in nilfs_checkpoints_README_show()  argument
356 				     struct the_nilfs *nilfs,  in nilfs_segments_segments_number_show()  argument
359 	return sysfs_emit(buf, "%lu\n", nilfs->ns_nsegments);  in nilfs_segments_segments_number_show()
364 					struct the_nilfs *nilfs,  in nilfs_segments_blocks_per_segment_show()  argument
367 	return sysfs_emit(buf, "%lu\n", nilfs->ns_blocks_per_segment);  in nilfs_segments_blocks_per_segment_show()
372 				    struct the_nilfs *nilfs,  in nilfs_segments_clean_segments_show()  argument
377 	down_read(&NILFS_MDT(nilfs->ns_dat)->mi_sem);  in nilfs_segments_clean_segments_show()
378 	ncleansegs = nilfs_sufile_get_ncleansegs(nilfs->ns_sufile);  in nilfs_segments_clean_segments_show()
379 	up_read(&NILFS_MDT(nilfs->ns_dat)->mi_sem);  in nilfs_segments_clean_segments_show()
386 				    struct the_nilfs *nilfs,  in nilfs_segments_dirty_segments_show()  argument
392 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segments_dirty_segments_show()
393 	err = nilfs_sufile_get_stat(nilfs->ns_sufile, &sustat);  in nilfs_segments_dirty_segments_show()
394 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segments_dirty_segments_show()
396 		nilfs_err(nilfs->ns_sb, "unable to get segment stat: err=%d",  in nilfs_segments_dirty_segments_show()
414 			    struct the_nilfs *nilfs,  in nilfs_segments_README_show()  argument
446 				    struct the_nilfs *nilfs,  in nilfs_segctor_last_pseg_block_show()  argument
451 	spin_lock(&nilfs->ns_last_segment_lock);  in nilfs_segctor_last_pseg_block_show()
452 	last_pseg = nilfs->ns_last_pseg;  in nilfs_segctor_last_pseg_block_show()
453 	spin_unlock(&nilfs->ns_last_segment_lock);  in nilfs_segctor_last_pseg_block_show()
461 					struct the_nilfs *nilfs,  in nilfs_segctor_last_seg_sequence_show()  argument
466 	spin_lock(&nilfs->ns_last_segment_lock);  in nilfs_segctor_last_seg_sequence_show()
467 	last_seq = nilfs->ns_last_seq;  in nilfs_segctor_last_seg_sequence_show()
468 	spin_unlock(&nilfs->ns_last_segment_lock);  in nilfs_segctor_last_seg_sequence_show()
475 					struct the_nilfs *nilfs,  in nilfs_segctor_last_seg_checkpoint_show()  argument
480 	spin_lock(&nilfs->ns_last_segment_lock);  in nilfs_segctor_last_seg_checkpoint_show()
481 	last_cno = nilfs->ns_last_cno;  in nilfs_segctor_last_seg_checkpoint_show()
482 	spin_unlock(&nilfs->ns_last_segment_lock);  in nilfs_segctor_last_seg_checkpoint_show()
489 					struct the_nilfs *nilfs,  in nilfs_segctor_current_seg_sequence_show()  argument
494 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_current_seg_sequence_show()
495 	seg_seq = nilfs->ns_seg_seq;  in nilfs_segctor_current_seg_sequence_show()
496 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_current_seg_sequence_show()
503 					 struct the_nilfs *nilfs,  in nilfs_segctor_current_last_full_seg_show()  argument
508 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_current_last_full_seg_show()
509 	segnum = nilfs->ns_segnum;  in nilfs_segctor_current_last_full_seg_show()
510 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_current_last_full_seg_show()
517 				 struct the_nilfs *nilfs,  in nilfs_segctor_next_full_seg_show()  argument
522 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_next_full_seg_show()
523 	nextnum = nilfs->ns_nextnum;  in nilfs_segctor_next_full_seg_show()
524 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_next_full_seg_show()
531 					struct the_nilfs *nilfs,  in nilfs_segctor_next_pseg_offset_show()  argument
536 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_next_pseg_offset_show()
537 	pseg_offset = nilfs->ns_pseg_offset;  in nilfs_segctor_next_pseg_offset_show()
538 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_next_pseg_offset_show()
545 					struct the_nilfs *nilfs,  in nilfs_segctor_next_checkpoint_show()  argument
550 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_next_checkpoint_show()
551 	cno = nilfs->ns_cno;  in nilfs_segctor_next_checkpoint_show()
552 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_next_checkpoint_show()
559 					struct the_nilfs *nilfs,  in nilfs_segctor_last_seg_write_time_show()  argument
564 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_last_seg_write_time_show()
565 	ctime = nilfs->ns_ctime;  in nilfs_segctor_last_seg_write_time_show()
566 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_last_seg_write_time_show()
573 					    struct the_nilfs *nilfs,  in nilfs_segctor_last_seg_write_time_secs_show()  argument
578 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_last_seg_write_time_secs_show()
579 	ctime = nilfs->ns_ctime;  in nilfs_segctor_last_seg_write_time_secs_show()
580 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_last_seg_write_time_secs_show()
587 					 struct the_nilfs *nilfs,  in nilfs_segctor_last_nongc_write_time_show()  argument
592 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_last_nongc_write_time_show()
593 	nongc_ctime = nilfs->ns_nongc_ctime;  in nilfs_segctor_last_nongc_write_time_show()
594 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_last_nongc_write_time_show()
601 						struct the_nilfs *nilfs,  in nilfs_segctor_last_nongc_write_time_secs_show()  argument
606 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_last_nongc_write_time_secs_show()
607 	nongc_ctime = nilfs->ns_nongc_ctime;  in nilfs_segctor_last_nongc_write_time_secs_show()
608 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_last_nongc_write_time_secs_show()
615 					    struct the_nilfs *nilfs,  in nilfs_segctor_dirty_data_blocks_count_show()  argument
620 	down_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_dirty_data_blocks_count_show()
621 	ndirtyblks = atomic_read(&nilfs->ns_ndirtyblks);  in nilfs_segctor_dirty_data_blocks_count_show()
622 	up_read(&nilfs->ns_segctor_sem);  in nilfs_segctor_dirty_data_blocks_count_show()
659 			  struct the_nilfs *nilfs, char *buf)  in nilfs_segctor_README_show()  argument
708 				     struct the_nilfs *nilfs,  in nilfs_superblock_sb_write_time_show()  argument
713 	down_read(&nilfs->ns_sem);  in nilfs_superblock_sb_write_time_show()
714 	sbwtime = nilfs->ns_sbwtime;  in nilfs_superblock_sb_write_time_show()
715 	up_read(&nilfs->ns_sem);  in nilfs_superblock_sb_write_time_show()
722 					 struct the_nilfs *nilfs,  in nilfs_superblock_sb_write_time_secs_show()  argument
727 	down_read(&nilfs->ns_sem);  in nilfs_superblock_sb_write_time_secs_show()
728 	sbwtime = nilfs->ns_sbwtime;  in nilfs_superblock_sb_write_time_secs_show()
729 	up_read(&nilfs->ns_sem);  in nilfs_superblock_sb_write_time_secs_show()
736 				      struct the_nilfs *nilfs,  in nilfs_superblock_sb_write_count_show()  argument
741 	down_read(&nilfs->ns_sem);  in nilfs_superblock_sb_write_count_show()
742 	sbwcount = nilfs->ns_sbwcount;  in nilfs_superblock_sb_write_count_show()
743 	up_read(&nilfs->ns_sem);  in nilfs_superblock_sb_write_count_show()
750 					    struct the_nilfs *nilfs,  in nilfs_superblock_sb_update_frequency_show()  argument
755 	down_read(&nilfs->ns_sem);  in nilfs_superblock_sb_update_frequency_show()
756 	sb_update_freq = nilfs->ns_sb_update_freq;  in nilfs_superblock_sb_update_frequency_show()
757 	up_read(&nilfs->ns_sem);  in nilfs_superblock_sb_update_frequency_show()
764 					    struct the_nilfs *nilfs,  in nilfs_superblock_sb_update_frequency_store()  argument
772 		nilfs_err(nilfs->ns_sb, "unable to convert string: err=%d",  in nilfs_superblock_sb_update_frequency_store()
779 		nilfs_warn(nilfs->ns_sb,  in nilfs_superblock_sb_update_frequency_store()
783 	down_write(&nilfs->ns_sem);  in nilfs_superblock_sb_update_frequency_store()
784 	nilfs->ns_sb_update_freq = val;  in nilfs_superblock_sb_update_frequency_store()
785 	up_write(&nilfs->ns_sem);  in nilfs_superblock_sb_update_frequency_store()
805 				struct the_nilfs *nilfs, char *buf)  in nilfs_superblock_README_show()  argument
836 				struct the_nilfs *nilfs,  in nilfs_dev_revision_show()  argument
839 	struct nilfs_super_block **sbp = nilfs->ns_sbp;  in nilfs_dev_revision_show()
848 				 struct the_nilfs *nilfs,  in nilfs_dev_blocksize_show()  argument
851 	return sysfs_emit(buf, "%u\n", nilfs->ns_blocksize);  in nilfs_dev_blocksize_show()
856 				    struct the_nilfs *nilfs,  in nilfs_dev_device_size_show()  argument
859 	struct nilfs_super_block **sbp = nilfs->ns_sbp;  in nilfs_dev_device_size_show()
867 				   struct the_nilfs *nilfs,  in nilfs_dev_free_blocks_show()  argument
872 	nilfs_count_free_blocks(nilfs, &free_blocks);  in nilfs_dev_free_blocks_show()
879 			    struct the_nilfs *nilfs,  in nilfs_dev_uuid_show()  argument
882 	struct nilfs_super_block **sbp = nilfs->ns_sbp;  in nilfs_dev_uuid_show()
889 				    struct the_nilfs *nilfs,  in nilfs_dev_volume_name_show()  argument
892 	struct nilfs_super_block **sbp = nilfs->ns_sbp;  in nilfs_dev_volume_name_show()
909 				     struct the_nilfs *nilfs,  in nilfs_dev_README_show()  argument
938 	struct the_nilfs *nilfs = container_of(kobj, struct the_nilfs,  in nilfs_dev_attr_show()  local
943 	return a->show ? a->show(a, nilfs, buf) : 0;  in nilfs_dev_attr_show()
950 	struct the_nilfs *nilfs = container_of(kobj, struct the_nilfs,  in nilfs_dev_attr_store()  local
955 	return a->store ? a->store(a, nilfs, buf, len) : 0;  in nilfs_dev_attr_store()
960 	struct the_nilfs *nilfs = container_of(kobj, struct the_nilfs,  in nilfs_dev_attr_release()  local
962 	complete(&nilfs->ns_dev_kobj_unregister);  in nilfs_dev_attr_release()
978 	struct the_nilfs *nilfs = sb->s_fs_info;  in nilfs_sysfs_create_device_group()  local
982 	nilfs->ns_dev_subgroups = kzalloc(devgrp_size, GFP_KERNEL);  in nilfs_sysfs_create_device_group()
983 	if (unlikely(!nilfs->ns_dev_subgroups)) {  in nilfs_sysfs_create_device_group()
989 	nilfs->ns_dev_kobj.kset = nilfs_kset;  in nilfs_sysfs_create_device_group()
990 	init_completion(&nilfs->ns_dev_kobj_unregister);  in nilfs_sysfs_create_device_group()
991 	err = kobject_init_and_add(&nilfs->ns_dev_kobj, &nilfs_dev_ktype, NULL,  in nilfs_sysfs_create_device_group()
996 	err = nilfs_sysfs_create_mounted_snapshots_group(nilfs);  in nilfs_sysfs_create_device_group()
1000 	err = nilfs_sysfs_create_checkpoints_group(nilfs);  in nilfs_sysfs_create_device_group()
1004 	err = nilfs_sysfs_create_segments_group(nilfs);  in nilfs_sysfs_create_device_group()
1008 	err = nilfs_sysfs_create_superblock_group(nilfs);  in nilfs_sysfs_create_device_group()
1012 	err = nilfs_sysfs_create_segctor_group(nilfs);  in nilfs_sysfs_create_device_group()
1019 	nilfs_sysfs_delete_superblock_group(nilfs);  in nilfs_sysfs_create_device_group()
1022 	nilfs_sysfs_delete_segments_group(nilfs);  in nilfs_sysfs_create_device_group()
1025 	nilfs_sysfs_delete_checkpoints_group(nilfs);  in nilfs_sysfs_create_device_group()
1028 	nilfs_sysfs_delete_mounted_snapshots_group(nilfs);  in nilfs_sysfs_create_device_group()
1031 	kobject_put(&nilfs->ns_dev_kobj);  in nilfs_sysfs_create_device_group()
1032 	kfree(nilfs->ns_dev_subgroups);  in nilfs_sysfs_create_device_group()
1038 void nilfs_sysfs_delete_device_group(struct the_nilfs *nilfs)  in nilfs_sysfs_delete_device_group()  argument
1040 	nilfs_sysfs_delete_mounted_snapshots_group(nilfs);  in nilfs_sysfs_delete_device_group()
1041 	nilfs_sysfs_delete_checkpoints_group(nilfs);  in nilfs_sysfs_delete_device_group()
1042 	nilfs_sysfs_delete_segments_group(nilfs);  in nilfs_sysfs_delete_device_group()
1043 	nilfs_sysfs_delete_superblock_group(nilfs);  in nilfs_sysfs_delete_device_group()
1044 	nilfs_sysfs_delete_segctor_group(nilfs);  in nilfs_sysfs_delete_device_group()
1045 	kobject_del(&nilfs->ns_dev_kobj);  in nilfs_sysfs_delete_device_group()
1046 	kobject_put(&nilfs->ns_dev_kobj);  in nilfs_sysfs_delete_device_group()
1047 	kfree(nilfs->ns_dev_subgroups);  in nilfs_sysfs_delete_device_group()