50 			     struct f2fs_sb_info *sbi, char *buf);
52 static unsigned char *__struct_ptr(struct f2fs_sb_info *sbi, int struct_type)  in __struct_ptr()  argument
55 		return (unsigned char *)sbi->gc_thread;  in __struct_ptr()
57 		return (unsigned char *)SM_I(sbi);  in __struct_ptr()
59 		return (unsigned char *)SM_I(sbi)->dcc_info;  in __struct_ptr()
61 		return (unsigned char *)NM_I(sbi);  in __struct_ptr()
63 		return (unsigned char *)sbi;  in __struct_ptr()
67 		return (unsigned char *)&F2FS_OPTION(sbi).fault_info;  in __struct_ptr()
71 		return (unsigned char *)F2FS_STAT(sbi);  in __struct_ptr()
77 		struct f2fs_sb_info *sbi, char *buf)  in dirty_segments_show()  argument
80 			(unsigned long long)(dirty_segments(sbi)));  in dirty_segments_show()
84 		struct f2fs_sb_info *sbi, char *buf)  in free_segments_show()  argument
87 			(unsigned long long)(free_segments(sbi)));  in free_segments_show()
91 		struct f2fs_sb_info *sbi, char *buf)  in lifetime_write_kbytes_show()  argument
93 	struct super_block *sb = sbi->sb;  in lifetime_write_kbytes_show()
99 			(unsigned long long)(sbi->kbytes_written +  in lifetime_write_kbytes_show()
100 			BD_PART_WRITTEN(sbi)));  in lifetime_write_kbytes_show()
104 		struct f2fs_sb_info *sbi, char *buf)  in features_show()  argument
106 	struct super_block *sb = sbi->sb;  in features_show()
112 	if (f2fs_sb_has_encrypt(sbi))  in features_show()
115 	if (f2fs_sb_has_blkzoned(sbi))  in features_show()
118 	if (f2fs_sb_has_extra_attr(sbi))  in features_show()
121 	if (f2fs_sb_has_project_quota(sbi))  in features_show()
124 	if (f2fs_sb_has_inode_chksum(sbi))  in features_show()
127 	if (f2fs_sb_has_flexible_inline_xattr(sbi))  in features_show()
130 	if (f2fs_sb_has_quota_ino(sbi))  in features_show()
133 	if (f2fs_sb_has_inode_crtime(sbi))  in features_show()
136 	if (f2fs_sb_has_lost_found(sbi))  in features_show()
139 	if (f2fs_sb_has_verity(sbi))  in features_show()
142 	if (f2fs_sb_has_sb_chksum(sbi))  in features_show()
145 	if (f2fs_sb_has_casefold(sbi))  in features_show()
148 	if (f2fs_sb_has_compression(sbi))  in features_show()
158 					struct f2fs_sb_info *sbi, char *buf)  in current_reserved_blocks_show()  argument
160 	return sprintf(buf, "%u\n", sbi->current_reserved_blocks);  in current_reserved_blocks_show()
164 		struct f2fs_sb_info *sbi, char *buf)  in unusable_show()  argument
168 	if (test_opt(sbi, DISABLE_CHECKPOINT))  in unusable_show()
169 		unusable = sbi->unusable_block_count;  in unusable_show()
171 		unusable = f2fs_get_unusable_blocks(sbi);  in unusable_show()
176 		struct f2fs_sb_info *sbi, char *buf)  in encoding_show()  argument
179 	struct super_block *sb = sbi->sb;  in encoding_show()
181 	if (f2fs_sb_has_casefold(sbi))  in encoding_show()
192 		struct f2fs_sb_info *sbi, char *buf)  in mounted_time_sec_show()  argument
194 	return sprintf(buf, "%llu", SIT_I(sbi)->mounted_time);  in mounted_time_sec_show()
199 				struct f2fs_sb_info *sbi, char *buf)  in moved_blocks_foreground_show()  argument
201 	struct f2fs_stat_info *si = F2FS_STAT(sbi);  in moved_blocks_foreground_show()
209 				struct f2fs_sb_info *sbi, char *buf)  in moved_blocks_background_show()  argument
211 	struct f2fs_stat_info *si = F2FS_STAT(sbi);  in moved_blocks_background_show()
218 		struct f2fs_sb_info *sbi, char *buf)  in avg_vblocks_show()  argument
220 	struct f2fs_stat_info *si = F2FS_STAT(sbi);  in avg_vblocks_show()
222 	si->dirty_count = dirty_segments(sbi);  in avg_vblocks_show()
223 	f2fs_update_sit_info(sbi);  in avg_vblocks_show()
229 				struct f2fs_sb_info *sbi, char *buf)  in main_blkaddr_show()  argument
232 			(unsigned long long)MAIN_BLKADDR(sbi));  in main_blkaddr_show()
236 			struct f2fs_sb_info *sbi, char *buf)  in f2fs_sbi_show()  argument
241 	ptr = __struct_ptr(sbi, a->struct_type);  in f2fs_sbi_show()
247 					sbi->raw_super->extension_list;  in f2fs_sbi_show()
248 		int cold_count = le32_to_cpu(sbi->raw_super->extension_count);  in f2fs_sbi_show()
249 		int hot_count = sbi->raw_super->hot_ext_count;  in f2fs_sbi_show()
272 			struct f2fs_sb_info *sbi,  in __sbi_store()  argument
280 	ptr = __struct_ptr(sbi, a->struct_type);  in __sbi_store()
305 		down_write(&sbi->sb_lock);  in __sbi_store()
307 		ret = f2fs_update_extension_list(sbi, name, hot, set);  in __sbi_store()
311 		ret = f2fs_commit_super(sbi, false);  in __sbi_store()
313 			f2fs_update_extension_list(sbi, name, hot, !set);  in __sbi_store()
315 		up_write(&sbi->sb_lock);  in __sbi_store()
331 		spin_lock(&sbi->stat_lock);  in __sbi_store()
332 		if (t > (unsigned long)(sbi->user_block_count -  in __sbi_store()
333 				F2FS_OPTION(sbi).root_reserved_blocks)) {  in __sbi_store()
334 			spin_unlock(&sbi->stat_lock);  in __sbi_store()
338 		sbi->current_reserved_blocks = min(sbi->reserved_blocks,  in __sbi_store()
339 				sbi->user_block_count - valid_user_blocks(sbi));  in __sbi_store()
340 		spin_unlock(&sbi->stat_lock);  in __sbi_store()
354 		if (t == 0 || t > sbi->segs_per_sec)  in __sbi_store()
363 			sbi->gc_mode = GC_NORMAL;  in __sbi_store()
365 			sbi->gc_mode = GC_URGENT_HIGH;  in __sbi_store()
366 			if (sbi->gc_thread) {  in __sbi_store()
367 				sbi->gc_thread->gc_wake = 1;  in __sbi_store()
369 					&sbi->gc_thread->gc_wait_queue_head);  in __sbi_store()
370 				wake_up_discard_thread(sbi, true);  in __sbi_store()
373 			sbi->gc_mode = GC_URGENT_LOW;  in __sbi_store()
381 			sbi->gc_mode = GC_IDLE_CB;  in __sbi_store()
383 			sbi->gc_mode = GC_IDLE_GREEDY;  in __sbi_store()
385 			if (!sbi->am.atgc_enabled)  in __sbi_store()
387 			sbi->gc_mode = GC_AT;  in __sbi_store()
389 			sbi->gc_mode = GC_NORMAL;  in __sbi_store()
395 		sbi->iostat_enable = !!t;  in __sbi_store()
396 		if (!sbi->iostat_enable)  in __sbi_store()
397 			f2fs_reset_iostat(sbi);  in __sbi_store()
404 		spin_lock(&sbi->iostat_lock);  in __sbi_store()
405 		sbi->iostat_period_ms = (unsigned int)t;  in __sbi_store()
406 		spin_unlock(&sbi->iostat_lock);  in __sbi_store()
416 			struct f2fs_sb_info *sbi,  in f2fs_sbi_store()  argument
424 		if (!down_read_trylock(&sbi->sb->s_umount))  in f2fs_sbi_store()
427 	ret = __sbi_store(a, sbi, buf, count);  in f2fs_sbi_store()
429 		up_read(&sbi->sb->s_umount);  in f2fs_sbi_store()
437 	struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,  in f2fs_attr_show()  local
441 	return a->show ? a->show(a, sbi, buf) : 0;  in f2fs_attr_show()
447 	struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,  in f2fs_attr_store()  local
451 	return a->store ? a->store(a, sbi, buf, len) : 0;  in f2fs_attr_store()
456 	struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,  in f2fs_sb_release()  local
458 	complete(&sbi->s_kobj_unregister);  in f2fs_sb_release()
480 		struct f2fs_sb_info *sbi, char *buf)  in f2fs_feature_show()  argument
743 	struct f2fs_sb_info *sbi = F2FS_SB(sb);  in segment_info_seq_show()  local
745 			le32_to_cpu(sbi->raw_super->segment_count_main);  in segment_info_seq_show()
752 		struct seg_entry *se = get_seg_entry(sbi, i);  in segment_info_seq_show()
770 	struct f2fs_sb_info *sbi = F2FS_SB(sb);  in segment_bits_seq_show()  local
772 			le32_to_cpu(sbi->raw_super->segment_count_main);  in segment_bits_seq_show()
779 		struct seg_entry *se = get_seg_entry(sbi, i);  in segment_bits_seq_show()
790 void f2fs_record_iostat(struct f2fs_sb_info *sbi)  in f2fs_record_iostat()  argument
795 	if (time_is_after_jiffies(sbi->iostat_next_period))  in f2fs_record_iostat()
799 	spin_lock(&sbi->iostat_lock);  in f2fs_record_iostat()
800 	if (time_is_after_jiffies(sbi->iostat_next_period)) {  in f2fs_record_iostat()
801 		spin_unlock(&sbi->iostat_lock);  in f2fs_record_iostat()
804 	sbi->iostat_next_period = jiffies +  in f2fs_record_iostat()
805 				msecs_to_jiffies(sbi->iostat_period_ms);  in f2fs_record_iostat()
808 		iostat_diff[i] = sbi->rw_iostat[i] -  in f2fs_record_iostat()
809 				sbi->prev_rw_iostat[i];  in f2fs_record_iostat()
810 		sbi->prev_rw_iostat[i] = sbi->rw_iostat[i];  in f2fs_record_iostat()
812 	spin_unlock(&sbi->iostat_lock);  in f2fs_record_iostat()
814 	trace_f2fs_iostat(sbi, iostat_diff);  in f2fs_record_iostat()
821 	struct f2fs_sb_info *sbi = F2FS_SB(sb);  in iostat_info_seq_show()  local
824 	if (!sbi->iostat_enable)  in iostat_info_seq_show()
832 				sbi->rw_iostat[APP_BUFFERED_IO]);  in iostat_info_seq_show()
834 				sbi->rw_iostat[APP_DIRECT_IO]);  in iostat_info_seq_show()
836 				sbi->rw_iostat[APP_MAPPED_IO]);  in iostat_info_seq_show()
840 				sbi->rw_iostat[FS_DATA_IO]);  in iostat_info_seq_show()
842 				sbi->rw_iostat[FS_NODE_IO]);  in iostat_info_seq_show()
844 				sbi->rw_iostat[FS_META_IO]);  in iostat_info_seq_show()
846 				sbi->rw_iostat[FS_GC_DATA_IO]);  in iostat_info_seq_show()
848 				sbi->rw_iostat[FS_GC_NODE_IO]);  in iostat_info_seq_show()
850 				sbi->rw_iostat[FS_CP_DATA_IO]);  in iostat_info_seq_show()
852 				sbi->rw_iostat[FS_CP_NODE_IO]);  in iostat_info_seq_show()
854 				sbi->rw_iostat[FS_CP_META_IO]);  in iostat_info_seq_show()
859 				sbi->rw_iostat[APP_BUFFERED_READ_IO]);  in iostat_info_seq_show()
861 				sbi->rw_iostat[APP_DIRECT_READ_IO]);  in iostat_info_seq_show()
863 				sbi->rw_iostat[APP_MAPPED_READ_IO]);  in iostat_info_seq_show()
867 				sbi->rw_iostat[FS_DATA_READ_IO]);  in iostat_info_seq_show()
869 				sbi->rw_iostat[FS_GDATA_READ_IO]);  in iostat_info_seq_show()
871 				sbi->rw_iostat[FS_CDATA_READ_IO]);  in iostat_info_seq_show()
873 				sbi->rw_iostat[FS_NODE_READ_IO]);  in iostat_info_seq_show()
875 				sbi->rw_iostat[FS_META_READ_IO]);  in iostat_info_seq_show()
880 				sbi->rw_iostat[FS_DISCARD]);  in iostat_info_seq_show()
889 	struct f2fs_sb_info *sbi = F2FS_SB(sb);  in victim_bits_seq_show()  local
890 	struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);  in victim_bits_seq_show()
895 	for (i = 0; i < MAIN_SECS(sbi); i++) {  in victim_bits_seq_show()
899 		if ((i % 10) == 9 || i == (MAIN_SECS(sbi) - 1))  in victim_bits_seq_show()
936 int f2fs_register_sysfs(struct f2fs_sb_info *sbi)  in f2fs_register_sysfs()  argument
938 	struct super_block *sb = sbi->sb;  in f2fs_register_sysfs()
941 	sbi->s_kobj.kset = &f2fs_kset;  in f2fs_register_sysfs()
942 	init_completion(&sbi->s_kobj_unregister);  in f2fs_register_sysfs()
943 	err = kobject_init_and_add(&sbi->s_kobj, &f2fs_sb_ktype, NULL,  in f2fs_register_sysfs()
946 		kobject_put(&sbi->s_kobj);  in f2fs_register_sysfs()
947 		wait_for_completion(&sbi->s_kobj_unregister);  in f2fs_register_sysfs()
952 		sbi->s_proc = proc_mkdir(sb->s_id, f2fs_proc_root);  in f2fs_register_sysfs()
954 	if (sbi->s_proc) {  in f2fs_register_sysfs()
955 		proc_create_single_data("segment_info", S_IRUGO, sbi->s_proc,  in f2fs_register_sysfs()
957 		proc_create_single_data("segment_bits", S_IRUGO, sbi->s_proc,  in f2fs_register_sysfs()
959 		proc_create_single_data("iostat_info", S_IRUGO, sbi->s_proc,  in f2fs_register_sysfs()
961 		proc_create_single_data("victim_bits", S_IRUGO, sbi->s_proc,  in f2fs_register_sysfs()
967 void f2fs_unregister_sysfs(struct f2fs_sb_info *sbi)  in f2fs_unregister_sysfs()  argument
969 	if (sbi->s_proc) {  in f2fs_unregister_sysfs()
970 		remove_proc_entry("iostat_info", sbi->s_proc);  in f2fs_unregister_sysfs()
971 		remove_proc_entry("segment_info", sbi->s_proc);  in f2fs_unregister_sysfs()
972 		remove_proc_entry("segment_bits", sbi->s_proc);  in f2fs_unregister_sysfs()
973 		remove_proc_entry("victim_bits", sbi->s_proc);  in f2fs_unregister_sysfs()
974 		remove_proc_entry(sbi->sb->s_id, f2fs_proc_root);  in f2fs_unregister_sysfs()
976 	kobject_del(&sbi->s_kobj);  in f2fs_unregister_sysfs()
977 	kobject_put(&sbi->s_kobj);  in f2fs_unregister_sysfs()
978 	wait_for_completion(&sbi->s_kobj_unregister);  in f2fs_unregister_sysfs()