65 			     struct f2fs_sb_info *sbi, char *buf);
67 static unsigned char *__struct_ptr(struct f2fs_sb_info *sbi, int struct_type)  in __struct_ptr()  argument
70 		return (unsigned char *)sbi->gc_thread;  in __struct_ptr()
72 		return (unsigned char *)SM_I(sbi);  in __struct_ptr()
74 		return (unsigned char *)SM_I(sbi)->dcc_info;  in __struct_ptr()
76 		return (unsigned char *)NM_I(sbi);  in __struct_ptr()
78 		return (unsigned char *)sbi;  in __struct_ptr()
82 		return (unsigned char *)&F2FS_OPTION(sbi).fault_info;  in __struct_ptr()
86 		return (unsigned char *)F2FS_STAT(sbi);  in __struct_ptr()
89 		return (unsigned char *)&sbi->cprc_info;  in __struct_ptr()
91 		return (unsigned char *)&sbi->am;  in __struct_ptr()
96 		struct f2fs_sb_info *sbi, char *buf)  in dirty_segments_show()  argument
99 			(unsigned long long)(dirty_segments(sbi)));  in dirty_segments_show()
103 		struct f2fs_sb_info *sbi, char *buf)  in free_segments_show()  argument
106 			(unsigned long long)(free_segments(sbi)));  in free_segments_show()
110 		struct f2fs_sb_info *sbi, char *buf)  in ovp_segments_show()  argument
113 			(unsigned long long)(overprovision_segments(sbi)));  in ovp_segments_show()
117 		struct f2fs_sb_info *sbi, char *buf)  in lifetime_write_kbytes_show()  argument
120 			(unsigned long long)(sbi->kbytes_written +  in lifetime_write_kbytes_show()
121 			((f2fs_get_sectors_written(sbi) -  in lifetime_write_kbytes_show()
122 				sbi->sectors_written_start) >> 1)));  in lifetime_write_kbytes_show()
126 		struct f2fs_sb_info *sbi, char *buf)  in sb_status_show()  argument
128 	return sprintf(buf, "%lx\n", sbi->s_flag);  in sb_status_show()
132 		struct f2fs_sb_info *sbi, char *buf)  in cp_status_show()  argument
134 	return sprintf(buf, "%x\n", le32_to_cpu(F2FS_CKPT(sbi)->ckpt_flags));  in cp_status_show()
138 		struct f2fs_sb_info *sbi, char *buf)  in pending_discard_show()  argument
140 	if (!SM_I(sbi)->dcc_info)  in pending_discard_show()
143 				&SM_I(sbi)->dcc_info->discard_cmd_cnt));  in pending_discard_show()
147 		struct f2fs_sb_info *sbi, char *buf)  in features_show()  argument
151 	if (f2fs_sb_has_encrypt(sbi))  in features_show()
154 	if (f2fs_sb_has_blkzoned(sbi))  in features_show()
157 	if (f2fs_sb_has_extra_attr(sbi))  in features_show()
160 	if (f2fs_sb_has_project_quota(sbi))  in features_show()
163 	if (f2fs_sb_has_inode_chksum(sbi))  in features_show()
166 	if (f2fs_sb_has_flexible_inline_xattr(sbi))  in features_show()
169 	if (f2fs_sb_has_quota_ino(sbi))  in features_show()
172 	if (f2fs_sb_has_inode_crtime(sbi))  in features_show()
175 	if (f2fs_sb_has_lost_found(sbi))  in features_show()
178 	if (f2fs_sb_has_verity(sbi))  in features_show()
181 	if (f2fs_sb_has_sb_chksum(sbi))  in features_show()
184 	if (f2fs_sb_has_casefold(sbi))  in features_show()
187 	if (f2fs_sb_has_readonly(sbi))  in features_show()
190 	if (f2fs_sb_has_compression(sbi))  in features_show()
200 					struct f2fs_sb_info *sbi, char *buf)  in current_reserved_blocks_show()  argument
202 	return sprintf(buf, "%u\n", sbi->current_reserved_blocks);  in current_reserved_blocks_show()
206 		struct f2fs_sb_info *sbi, char *buf)  in unusable_show()  argument
210 	if (test_opt(sbi, DISABLE_CHECKPOINT))  in unusable_show()
211 		unusable = sbi->unusable_block_count;  in unusable_show()
213 		unusable = f2fs_get_unusable_blocks(sbi);  in unusable_show()
218 		struct f2fs_sb_info *sbi, char *buf)  in encoding_show()  argument
221 	struct super_block *sb = sbi->sb;  in encoding_show()
223 	if (f2fs_sb_has_casefold(sbi))  in encoding_show()
233 		struct f2fs_sb_info *sbi, char *buf)  in mounted_time_sec_show()  argument
235 	return sprintf(buf, "%llu", SIT_I(sbi)->mounted_time);  in mounted_time_sec_show()
240 				struct f2fs_sb_info *sbi, char *buf)  in moved_blocks_foreground_show()  argument
242 	struct f2fs_stat_info *si = F2FS_STAT(sbi);  in moved_blocks_foreground_show()
250 				struct f2fs_sb_info *sbi, char *buf)  in moved_blocks_background_show()  argument
252 	struct f2fs_stat_info *si = F2FS_STAT(sbi);  in moved_blocks_background_show()
259 		struct f2fs_sb_info *sbi, char *buf)  in avg_vblocks_show()  argument
261 	struct f2fs_stat_info *si = F2FS_STAT(sbi);  in avg_vblocks_show()
263 	si->dirty_count = dirty_segments(sbi);  in avg_vblocks_show()
264 	f2fs_update_sit_info(sbi);  in avg_vblocks_show()
270 				struct f2fs_sb_info *sbi, char *buf)  in main_blkaddr_show()  argument
273 			(unsigned long long)MAIN_BLKADDR(sbi));  in main_blkaddr_show()
277 			struct f2fs_sb_info *sbi, char *buf)  in f2fs_sbi_show()  argument
282 	ptr = __struct_ptr(sbi, a->struct_type);  in f2fs_sbi_show()
288 					sbi->raw_super->extension_list;  in f2fs_sbi_show()
289 		int cold_count = le32_to_cpu(sbi->raw_super->extension_count);  in f2fs_sbi_show()
290 		int hot_count = sbi->raw_super->hot_ext_count;  in f2fs_sbi_show()
308 		struct ckpt_req_control *cprc = &sbi->cprc_info;  in f2fs_sbi_show()
326 		return sysfs_emit(buf, "%llu\n", sbi->compr_written_block);  in f2fs_sbi_show()
329 		return sysfs_emit(buf, "%llu\n", sbi->compr_saved_block);  in f2fs_sbi_show()
332 		return sysfs_emit(buf, "%u\n", sbi->compr_new_inode);  in f2fs_sbi_show()
337 				gc_mode_names[sbi->gc_mode]);  in f2fs_sbi_show()
341 				gc_mode_names[sbi->gc_segment_mode]);  in f2fs_sbi_show()
345 			sbi->gc_reclaimed_segs[sbi->gc_segment_mode]);  in f2fs_sbi_show()
349 		s64 current_write = atomic64_read(&sbi->current_atomic_write);  in f2fs_sbi_show()
355 		return sysfs_emit(buf, "%lld\n", sbi->peak_atomic_write);  in f2fs_sbi_show()
358 		return sysfs_emit(buf, "%llu\n", sbi->committed_atomic_block);  in f2fs_sbi_show()
361 		return sysfs_emit(buf, "%llu\n", sbi->revoked_atomic_block);  in f2fs_sbi_show()
369 			struct f2fs_sb_info *sbi,  in __sbi_store()  argument
377 	ptr = __struct_ptr(sbi, a->struct_type);  in __sbi_store()
402 		f2fs_down_write(&sbi->sb_lock);  in __sbi_store()
404 		ret = f2fs_update_extension_list(sbi, name, hot, set);  in __sbi_store()
408 		ret = f2fs_commit_super(sbi, false);  in __sbi_store()
410 			f2fs_update_extension_list(sbi, name, hot, !set);  in __sbi_store()
412 		f2fs_up_write(&sbi->sb_lock);  in __sbi_store()
418 		struct ckpt_req_control *cprc = &sbi->cprc_info;  in __sbi_store()
438 		if (test_opt(sbi, MERGE_CHECKPOINT)) {  in __sbi_store()
460 		spin_lock(&sbi->stat_lock);  in __sbi_store()
461 		if (t > (unsigned long)(sbi->user_block_count -  in __sbi_store()
462 				F2FS_OPTION(sbi).root_reserved_blocks -  in __sbi_store()
463 				sbi->blocks_per_seg *  in __sbi_store()
464 				SM_I(sbi)->additional_reserved_segments)) {  in __sbi_store()
465 			spin_unlock(&sbi->stat_lock);  in __sbi_store()
469 		sbi->current_reserved_blocks = min(sbi->reserved_blocks,  in __sbi_store()
470 				sbi->user_block_count - valid_user_blocks(sbi));  in __sbi_store()
471 		spin_unlock(&sbi->stat_lock);  in __sbi_store()
478 		if (!f2fs_block_unit_discard(sbi))  in __sbi_store()
487 		if (t == 0 || t > sbi->segs_per_sec)  in __sbi_store()
496 			sbi->gc_mode = GC_NORMAL;  in __sbi_store()
498 			sbi->gc_mode = GC_URGENT_HIGH;  in __sbi_store()
499 			if (sbi->gc_thread) {  in __sbi_store()
500 				sbi->gc_thread->gc_wake = 1;  in __sbi_store()
502 					&sbi->gc_thread->gc_wait_queue_head);  in __sbi_store()
503 				wake_up_discard_thread(sbi, true);  in __sbi_store()
506 			sbi->gc_mode = GC_URGENT_LOW;  in __sbi_store()
508 			sbi->gc_mode = GC_URGENT_MID;  in __sbi_store()
509 			if (sbi->gc_thread) {  in __sbi_store()
510 				sbi->gc_thread->gc_wake = 1;  in __sbi_store()
512 					&sbi->gc_thread->gc_wait_queue_head);  in __sbi_store()
521 			sbi->gc_mode = GC_IDLE_CB;  in __sbi_store()
523 			sbi->gc_mode = GC_IDLE_GREEDY;  in __sbi_store()
525 			if (!sbi->am.atgc_enabled)  in __sbi_store()
527 			sbi->gc_mode = GC_IDLE_AT;  in __sbi_store()
529 			sbi->gc_mode = GC_NORMAL;  in __sbi_store()
535 		spin_lock(&sbi->gc_urgent_high_lock);  in __sbi_store()
536 		sbi->gc_urgent_high_remaining = t;  in __sbi_store()
537 		spin_unlock(&sbi->gc_urgent_high_lock);  in __sbi_store()
544 		sbi->iostat_enable = !!t;  in __sbi_store()
545 		if (!sbi->iostat_enable)  in __sbi_store()
546 			f2fs_reset_iostat(sbi);  in __sbi_store()
553 		spin_lock(&sbi->iostat_lock);  in __sbi_store()
554 		sbi->iostat_period_ms = (unsigned int)t;  in __sbi_store()
555 		spin_unlock(&sbi->iostat_lock);  in __sbi_store()
565 		sbi->compr_written_block = 0;  in __sbi_store()
566 		sbi->compr_saved_block = 0;  in __sbi_store()
573 		sbi->compr_new_inode = 0;  in __sbi_store()
581 		sbi->am.candidate_ratio = t;  in __sbi_store()
588 		sbi->am.age_weight = t;  in __sbi_store()
594 			sbi->gc_segment_mode = t;  in __sbi_store()
603 		sbi->gc_reclaimed_segs[sbi->gc_segment_mode] = 0;  in __sbi_store()
609 			sbi->seq_file_ra_mul = t;  in __sbi_store()
617 			sbi->max_fragment_chunk = t;  in __sbi_store()
625 			sbi->max_fragment_hole = t;  in __sbi_store()
634 		sbi->peak_atomic_write = 0;  in __sbi_store()
641 		sbi->committed_atomic_block = 0;  in __sbi_store()
648 		sbi->revoked_atomic_block = 0;  in __sbi_store()
658 			struct f2fs_sb_info *sbi,  in f2fs_sbi_store()  argument
666 		if (!down_read_trylock(&sbi->sb->s_umount))  in f2fs_sbi_store()
669 	ret = __sbi_store(a, sbi, buf, count);  in f2fs_sbi_store()
671 		up_read(&sbi->sb->s_umount);  in f2fs_sbi_store()
679 	struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,  in f2fs_attr_show()  local
683 	return a->show ? a->show(a, sbi, buf) : 0;  in f2fs_attr_show()
689 	struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,  in f2fs_attr_store()  local
693 	return a->store ? a->store(a, sbi, buf, len) : 0;  in f2fs_attr_store()
698 	struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,  in f2fs_sb_release()  local
700 	complete(&sbi->s_kobj_unregister);  in f2fs_sb_release()
722 		struct f2fs_sb_info *sbi, char *buf)  in f2fs_feature_show()  argument
734 		struct f2fs_sb_info *sbi, char *buf)  in f2fs_sb_feature_show()  argument
736 	if (F2FS_HAS_FEATURE(sbi, a->id))  in f2fs_sb_feature_show()
1111 	struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,  in f2fs_stat_attr_show()  local
1115 	return a->show ? a->show(a, sbi, buf) : 0;  in f2fs_stat_attr_show()
1121 	struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,  in f2fs_stat_attr_store()  local
1125 	return a->store ? a->store(a, sbi, buf, len) : 0;  in f2fs_stat_attr_store()
1130 	struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,  in f2fs_stat_kobj_release()  local
1132 	complete(&sbi->s_stat_kobj_unregister);  in f2fs_stat_kobj_release()
1149 	struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,  in f2fs_sb_feat_attr_show()  local
1153 	return a->show ? a->show(a, sbi, buf) : 0;  in f2fs_sb_feat_attr_show()
1158 	struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,  in f2fs_feature_list_kobj_release()  local
1160 	complete(&sbi->s_feature_list_kobj_unregister);  in f2fs_feature_list_kobj_release()
1177 	struct f2fs_sb_info *sbi = F2FS_SB(sb);  in segment_info_seq_show()  local
1179 			le32_to_cpu(sbi->raw_super->segment_count_main);  in segment_info_seq_show()
1186 		struct seg_entry *se = get_seg_entry(sbi, i);  in segment_info_seq_show()
1204 	struct f2fs_sb_info *sbi = F2FS_SB(sb);  in segment_bits_seq_show()  local
1206 			le32_to_cpu(sbi->raw_super->segment_count_main);  in segment_bits_seq_show()
1213 		struct seg_entry *se = get_seg_entry(sbi, i);  in segment_bits_seq_show()
1228 	struct f2fs_sb_info *sbi = F2FS_SB(sb);  in victim_bits_seq_show()  local
1229 	struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);  in victim_bits_seq_show()
1234 	for (i = 0; i < MAIN_SECS(sbi); i++) {  in victim_bits_seq_show()
1238 		if ((i % 10) == 9 || i == (MAIN_SECS(sbi) - 1))  in victim_bits_seq_show()
1275 int f2fs_register_sysfs(struct f2fs_sb_info *sbi)  in f2fs_register_sysfs()  argument
1277 	struct super_block *sb = sbi->sb;  in f2fs_register_sysfs()
1280 	sbi->s_kobj.kset = &f2fs_kset;  in f2fs_register_sysfs()
1281 	init_completion(&sbi->s_kobj_unregister);  in f2fs_register_sysfs()
1282 	err = kobject_init_and_add(&sbi->s_kobj, &f2fs_sb_ktype, NULL,  in f2fs_register_sysfs()
1287 	sbi->s_stat_kobj.kset = &f2fs_kset;  in f2fs_register_sysfs()
1288 	init_completion(&sbi->s_stat_kobj_unregister);  in f2fs_register_sysfs()
1289 	err = kobject_init_and_add(&sbi->s_stat_kobj, &f2fs_stat_ktype,  in f2fs_register_sysfs()
1290 						&sbi->s_kobj, "stat");  in f2fs_register_sysfs()
1294 	sbi->s_feature_list_kobj.kset = &f2fs_kset;  in f2fs_register_sysfs()
1295 	init_completion(&sbi->s_feature_list_kobj_unregister);  in f2fs_register_sysfs()
1296 	err = kobject_init_and_add(&sbi->s_feature_list_kobj,  in f2fs_register_sysfs()
1298 					&sbi->s_kobj, "feature_list");  in f2fs_register_sysfs()
1303 		sbi->s_proc = proc_mkdir(sb->s_id, f2fs_proc_root);  in f2fs_register_sysfs()
1305 	if (sbi->s_proc) {  in f2fs_register_sysfs()
1306 		proc_create_single_data("segment_info", 0444, sbi->s_proc,  in f2fs_register_sysfs()
1308 		proc_create_single_data("segment_bits", 0444, sbi->s_proc,  in f2fs_register_sysfs()
1311 		proc_create_single_data("iostat_info", 0444, sbi->s_proc,  in f2fs_register_sysfs()
1314 		proc_create_single_data("victim_bits", 0444, sbi->s_proc,  in f2fs_register_sysfs()
1319 	kobject_put(&sbi->s_feature_list_kobj);  in f2fs_register_sysfs()
1320 	wait_for_completion(&sbi->s_feature_list_kobj_unregister);  in f2fs_register_sysfs()
1322 	kobject_put(&sbi->s_stat_kobj);  in f2fs_register_sysfs()
1323 	wait_for_completion(&sbi->s_stat_kobj_unregister);  in f2fs_register_sysfs()
1325 	kobject_put(&sbi->s_kobj);  in f2fs_register_sysfs()
1326 	wait_for_completion(&sbi->s_kobj_unregister);  in f2fs_register_sysfs()
1330 void f2fs_unregister_sysfs(struct f2fs_sb_info *sbi)  in f2fs_unregister_sysfs()  argument
1332 	if (sbi->s_proc) {  in f2fs_unregister_sysfs()
1334 		remove_proc_entry("iostat_info", sbi->s_proc);  in f2fs_unregister_sysfs()
1336 		remove_proc_entry("segment_info", sbi->s_proc);  in f2fs_unregister_sysfs()
1337 		remove_proc_entry("segment_bits", sbi->s_proc);  in f2fs_unregister_sysfs()
1338 		remove_proc_entry("victim_bits", sbi->s_proc);  in f2fs_unregister_sysfs()
1339 		remove_proc_entry(sbi->sb->s_id, f2fs_proc_root);  in f2fs_unregister_sysfs()
1342 	kobject_del(&sbi->s_stat_kobj);  in f2fs_unregister_sysfs()
1343 	kobject_put(&sbi->s_stat_kobj);  in f2fs_unregister_sysfs()
1344 	wait_for_completion(&sbi->s_stat_kobj_unregister);  in f2fs_unregister_sysfs()
1345 	kobject_del(&sbi->s_feature_list_kobj);  in f2fs_unregister_sysfs()
1346 	kobject_put(&sbi->s_feature_list_kobj);  in f2fs_unregister_sysfs()
1347 	wait_for_completion(&sbi->s_feature_list_kobj_unregister);  in f2fs_unregister_sysfs()
1349 	kobject_del(&sbi->s_kobj);  in f2fs_unregister_sysfs()
1350 	kobject_put(&sbi->s_kobj);  in f2fs_unregister_sysfs()
1351 	wait_for_completion(&sbi->s_kobj_unregister);  in f2fs_unregister_sysfs()