105 static unsigned char *__struct_ptr(struct f2fs_sb_info *sbi, int struct_type)  in __struct_ptr()  argument
108 		return (unsigned char *)sbi->gc_thread;  in __struct_ptr()
110 		return (unsigned char *)SM_I(sbi);  in __struct_ptr()
112 		return (unsigned char *)NM_I(sbi);  in __struct_ptr()
114 		return (unsigned char *)sbi;  in __struct_ptr()
119 			struct f2fs_sb_info *sbi, char *buf)  in f2fs_sbi_show()  argument
124 	ptr = __struct_ptr(sbi, a->struct_type);  in f2fs_sbi_show()
134 			struct f2fs_sb_info *sbi,  in f2fs_sbi_store()  argument
142 	ptr = __struct_ptr(sbi, a->struct_type);  in f2fs_sbi_store()
158 	struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,  in f2fs_attr_show()  local
162 	return a->show ? a->show(a, sbi, buf) : 0;  in f2fs_attr_show()
168 	struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,  in f2fs_attr_store()  local
172 	return a->store ? a->store(a, sbi, buf, len) : 0;  in f2fs_attr_store()
177 	struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,  in f2fs_sb_release()  local
179 	complete(&sbi->s_kobj_unregister);  in f2fs_sb_release()
260 	struct f2fs_sb_info *sbi = F2FS_SB(sb);  in parse_options()  local
286 				set_opt(sbi, BG_GC);  in parse_options()
288 				clear_opt(sbi, BG_GC);  in parse_options()
296 			set_opt(sbi, DISABLE_ROLL_FORWARD);  in parse_options()
300 			set_opt(sbi, DISABLE_ROLL_FORWARD);  in parse_options()
305 			set_opt(sbi, DISCARD);  in parse_options()
308 			set_opt(sbi, NOHEAP);  in parse_options()
312 			set_opt(sbi, XATTR_USER);  in parse_options()
315 			clear_opt(sbi, XATTR_USER);  in parse_options()
318 			set_opt(sbi, INLINE_XATTR);  in parse_options()
336 			set_opt(sbi, POSIX_ACL);  in parse_options()
339 			clear_opt(sbi, POSIX_ACL);  in parse_options()
354 			sbi->active_logs = arg;  in parse_options()
357 			set_opt(sbi, DISABLE_EXT_IDENTIFY);  in parse_options()
360 			set_opt(sbi, INLINE_DATA);  in parse_options()
363 			set_opt(sbi, INLINE_DENTRY);  in parse_options()
366 			set_opt(sbi, FLUSH_MERGE);  in parse_options()
369 			set_opt(sbi, NOBARRIER);  in parse_options()
372 			set_opt(sbi, FASTBOOT);  in parse_options()
375 			set_opt(sbi, EXTENT_CACHE);  in parse_options()
378 			clear_opt(sbi, INLINE_DATA);  in parse_options()
459 	struct f2fs_sb_info *sbi = F2FS_SB(sb);  in f2fs_put_super()  local
461 	if (sbi->s_proc) {  in f2fs_put_super()
462 		remove_proc_entry("segment_info", sbi->s_proc);  in f2fs_put_super()
465 	kobject_del(&sbi->s_kobj);  in f2fs_put_super()
467 	f2fs_destroy_stats(sbi);  in f2fs_put_super()
468 	stop_gc_thread(sbi);  in f2fs_put_super()
475 	if (is_sbi_flag_set(sbi, SBI_IS_DIRTY) ||  in f2fs_put_super()
476 			!is_set_ckpt_flags(F2FS_CKPT(sbi), CP_UMOUNT_FLAG)) {  in f2fs_put_super()
480 		write_checkpoint(sbi, &cpc);  in f2fs_put_super()
487 	release_dirty_inode(sbi);  in f2fs_put_super()
488 	release_discard_addrs(sbi);  in f2fs_put_super()
490 	iput(sbi->node_inode);  in f2fs_put_super()
491 	iput(sbi->meta_inode);  in f2fs_put_super()
494 	destroy_node_manager(sbi);  in f2fs_put_super()
495 	destroy_segment_manager(sbi);  in f2fs_put_super()
497 	kfree(sbi->ckpt);  in f2fs_put_super()
498 	kobject_put(&sbi->s_kobj);  in f2fs_put_super()
499 	wait_for_completion(&sbi->s_kobj_unregister);  in f2fs_put_super()
502 	brelse(sbi->raw_super_buf);  in f2fs_put_super()
503 	kfree(sbi);  in f2fs_put_super()
508 	struct f2fs_sb_info *sbi = F2FS_SB(sb);  in f2fs_sync_fs()  local
515 		cpc.reason = __get_cp_reason(sbi);  in f2fs_sync_fs()
517 		mutex_lock(&sbi->gc_mutex);  in f2fs_sync_fs()
518 		write_checkpoint(sbi, &cpc);  in f2fs_sync_fs()
519 		mutex_unlock(&sbi->gc_mutex);  in f2fs_sync_fs()
521 		f2fs_balance_fs(sbi);  in f2fs_sync_fs()
547 	struct f2fs_sb_info *sbi = F2FS_SB(sb);  in f2fs_statfs()  local
551 	total_count = le64_to_cpu(sbi->raw_super->block_count);  in f2fs_statfs()
552 	user_block_count = sbi->user_block_count;  in f2fs_statfs()
553 	start_count = le32_to_cpu(sbi->raw_super->segment0_blkaddr);  in f2fs_statfs()
554 	ovp_count = SM_I(sbi)->ovp_segments << sbi->log_blocks_per_seg;  in f2fs_statfs()
556 	buf->f_bsize = sbi->blocksize;  in f2fs_statfs()
559 	buf->f_bfree = buf->f_blocks - valid_user_blocks(sbi) - ovp_count;  in f2fs_statfs()
560 	buf->f_bavail = user_block_count - valid_user_blocks(sbi);  in f2fs_statfs()
562 	buf->f_files = sbi->total_node_count - F2FS_RESERVED_NODE_NUM;  in f2fs_statfs()
563 	buf->f_ffree = buf->f_files - valid_inode_count(sbi);  in f2fs_statfs()
574 	struct f2fs_sb_info *sbi = F2FS_SB(root->d_sb);  in f2fs_show_options()  local
576 	if (!f2fs_readonly(sbi->sb) && test_opt(sbi, BG_GC))  in f2fs_show_options()
580 	if (test_opt(sbi, DISABLE_ROLL_FORWARD))  in f2fs_show_options()
582 	if (test_opt(sbi, DISCARD))  in f2fs_show_options()
584 	if (test_opt(sbi, NOHEAP))  in f2fs_show_options()
587 	if (test_opt(sbi, XATTR_USER))  in f2fs_show_options()
591 	if (test_opt(sbi, INLINE_XATTR))  in f2fs_show_options()
595 	if (test_opt(sbi, POSIX_ACL))  in f2fs_show_options()
600 	if (test_opt(sbi, DISABLE_EXT_IDENTIFY))  in f2fs_show_options()
602 	if (test_opt(sbi, INLINE_DATA))  in f2fs_show_options()
606 	if (test_opt(sbi, INLINE_DENTRY))  in f2fs_show_options()
608 	if (!f2fs_readonly(sbi->sb) && test_opt(sbi, FLUSH_MERGE))  in f2fs_show_options()
610 	if (test_opt(sbi, NOBARRIER))  in f2fs_show_options()
612 	if (test_opt(sbi, FASTBOOT))  in f2fs_show_options()
614 	if (test_opt(sbi, EXTENT_CACHE))  in f2fs_show_options()
616 	seq_printf(seq, ",active_logs=%u", sbi->active_logs);  in f2fs_show_options()
624 	struct f2fs_sb_info *sbi = F2FS_SB(sb);  in segment_info_seq_show()  local
626 			le32_to_cpu(sbi->raw_super->segment_count_main);  in segment_info_seq_show()
633 		struct seg_entry *se = get_seg_entry(sbi, i);  in segment_info_seq_show()
638 					get_valid_blocks(sbi, i, 1));  in segment_info_seq_show()
663 	struct f2fs_sb_info *sbi = F2FS_SB(sb);  in f2fs_remount()  local
675 	org_mount_opt = sbi->mount_opt;  in f2fs_remount()
676 	active_logs = sbi->active_logs;  in f2fs_remount()
678 	sbi->mount_opt.opt = 0;  in f2fs_remount()
679 	sbi->active_logs = NR_CURSEG_TYPE;  in f2fs_remount()
698 	if ((*flags & MS_RDONLY) || !test_opt(sbi, BG_GC)) {  in f2fs_remount()
699 		if (sbi->gc_thread) {  in f2fs_remount()
700 			stop_gc_thread(sbi);  in f2fs_remount()
704 	} else if (!sbi->gc_thread) {  in f2fs_remount()
705 		err = start_gc_thread(sbi);  in f2fs_remount()
715 	if ((*flags & MS_RDONLY) || !test_opt(sbi, FLUSH_MERGE)) {  in f2fs_remount()
716 		destroy_flush_cmd_control(sbi);  in f2fs_remount()
717 	} else if (!SM_I(sbi)->cmd_control_info) {  in f2fs_remount()
718 		err = create_flush_cmd_control(sbi);  in f2fs_remount()
725 		(test_opt(sbi, POSIX_ACL) ? MS_POSIXACL : 0);  in f2fs_remount()
729 		if (start_gc_thread(sbi))  in f2fs_remount()
730 			f2fs_msg(sbi->sb, KERN_WARNING,  in f2fs_remount()
733 		stop_gc_thread(sbi);  in f2fs_remount()
736 	sbi->mount_opt = org_mount_opt;  in f2fs_remount()
737 	sbi->active_logs = active_logs;  in f2fs_remount()
760 	struct f2fs_sb_info *sbi = F2FS_SB(sb);  in f2fs_nfs_get_inode()  local
763 	if (check_nid_range(sbi, ino))  in f2fs_nfs_get_inode()
872 static int sanity_check_ckpt(struct f2fs_sb_info *sbi)  in sanity_check_ckpt()  argument
875 	struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi);  in sanity_check_ckpt()
876 	struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);  in sanity_check_ckpt()
888 	if (unlikely(f2fs_cp_error(sbi))) {  in sanity_check_ckpt()
889 		f2fs_msg(sbi->sb, KERN_ERR, "A bug case: need to run fsck");  in sanity_check_ckpt()
895 static void init_sb_info(struct f2fs_sb_info *sbi)  in init_sb_info()  argument
897 	struct f2fs_super_block *raw_super = sbi->raw_super;  in init_sb_info()
900 	sbi->log_sectors_per_block =  in init_sb_info()
902 	sbi->log_blocksize = le32_to_cpu(raw_super->log_blocksize);  in init_sb_info()
903 	sbi->blocksize = 1 << sbi->log_blocksize;  in init_sb_info()
904 	sbi->log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg);  in init_sb_info()
905 	sbi->blocks_per_seg = 1 << sbi->log_blocks_per_seg;  in init_sb_info()
906 	sbi->segs_per_sec = le32_to_cpu(raw_super->segs_per_sec);  in init_sb_info()
907 	sbi->secs_per_zone = le32_to_cpu(raw_super->secs_per_zone);  in init_sb_info()
908 	sbi->total_sections = le32_to_cpu(raw_super->section_count);  in init_sb_info()
909 	sbi->total_node_count =  in init_sb_info()
911 			* sbi->blocks_per_seg * NAT_ENTRY_PER_BLOCK;  in init_sb_info()
912 	sbi->root_ino_num = le32_to_cpu(raw_super->root_ino);  in init_sb_info()
913 	sbi->node_ino_num = le32_to_cpu(raw_super->node_ino);  in init_sb_info()
914 	sbi->meta_ino_num = le32_to_cpu(raw_super->meta_ino);  in init_sb_info()
915 	sbi->cur_victim_sec = NULL_SECNO;  in init_sb_info()
916 	sbi->max_victim_search = DEF_MAX_VICTIM_SEARCH;  in init_sb_info()
919 		atomic_set(&sbi->nr_pages[i], 0);  in init_sb_info()
921 	sbi->dir_level = DEF_DIR_LEVEL;  in init_sb_info()
922 	clear_sbi_flag(sbi, SBI_NEED_FSCK);  in init_sb_info()
971 	struct f2fs_sb_info *sbi;  in f2fs_fill_super()  local
982 	sbi = kzalloc(sizeof(struct f2fs_sb_info), GFP_KERNEL);  in f2fs_fill_super()
983 	if (!sbi)  in f2fs_fill_super()
996 	sb->s_fs_info = sbi;  in f2fs_fill_super()
998 	sbi->active_logs = NR_CURSEG_TYPE;  in f2fs_fill_super()
1000 	set_opt(sbi, BG_GC);  in f2fs_fill_super()
1001 	set_opt(sbi, INLINE_DATA);  in f2fs_fill_super()
1004 	set_opt(sbi, XATTR_USER);  in f2fs_fill_super()
1007 	set_opt(sbi, POSIX_ACL);  in f2fs_fill_super()
1022 	get_random_bytes(&sbi->s_next_generation, sizeof(u32));  in f2fs_fill_super()
1030 		(test_opt(sbi, POSIX_ACL) ? MS_POSIXACL : 0);  in f2fs_fill_super()
1034 	sbi->sb = sb;  in f2fs_fill_super()
1035 	sbi->raw_super = raw_super;  in f2fs_fill_super()
1036 	sbi->raw_super_buf = raw_super_buf;  in f2fs_fill_super()
1037 	mutex_init(&sbi->gc_mutex);  in f2fs_fill_super()
1038 	mutex_init(&sbi->writepages);  in f2fs_fill_super()
1039 	mutex_init(&sbi->cp_mutex);  in f2fs_fill_super()
1040 	init_rwsem(&sbi->node_write);  in f2fs_fill_super()
1041 	clear_sbi_flag(sbi, SBI_POR_DOING);  in f2fs_fill_super()
1042 	spin_lock_init(&sbi->stat_lock);  in f2fs_fill_super()
1044 	init_rwsem(&sbi->read_io.io_rwsem);  in f2fs_fill_super()
1045 	sbi->read_io.sbi = sbi;  in f2fs_fill_super()
1046 	sbi->read_io.bio = NULL;  in f2fs_fill_super()
1048 		init_rwsem(&sbi->write_io[i].io_rwsem);  in f2fs_fill_super()
1049 		sbi->write_io[i].sbi = sbi;  in f2fs_fill_super()
1050 		sbi->write_io[i].bio = NULL;  in f2fs_fill_super()
1053 	init_rwsem(&sbi->cp_rwsem);  in f2fs_fill_super()
1054 	init_waitqueue_head(&sbi->cp_wait);  in f2fs_fill_super()
1055 	init_sb_info(sbi);  in f2fs_fill_super()
1058 	sbi->meta_inode = f2fs_iget(sb, F2FS_META_INO(sbi));  in f2fs_fill_super()
1059 	if (IS_ERR(sbi->meta_inode)) {  in f2fs_fill_super()
1061 		err = PTR_ERR(sbi->meta_inode);  in f2fs_fill_super()
1065 	err = get_valid_checkpoint(sbi);  in f2fs_fill_super()
1073 	if (sanity_check_ckpt(sbi)) {  in f2fs_fill_super()
1078 	sbi->total_valid_node_count =  in f2fs_fill_super()
1079 				le32_to_cpu(sbi->ckpt->valid_node_count);  in f2fs_fill_super()
1080 	sbi->total_valid_inode_count =  in f2fs_fill_super()
1081 				le32_to_cpu(sbi->ckpt->valid_inode_count);  in f2fs_fill_super()
1082 	sbi->user_block_count = le64_to_cpu(sbi->ckpt->user_block_count);  in f2fs_fill_super()
1083 	sbi->total_valid_block_count =  in f2fs_fill_super()
1084 				le64_to_cpu(sbi->ckpt->valid_block_count);  in f2fs_fill_super()
1085 	sbi->last_valid_block_count = sbi->total_valid_block_count;  in f2fs_fill_super()
1086 	sbi->alloc_valid_block_count = 0;  in f2fs_fill_super()
1087 	INIT_LIST_HEAD(&sbi->dir_inode_list);  in f2fs_fill_super()
1088 	spin_lock_init(&sbi->dir_inode_lock);  in f2fs_fill_super()
1090 	init_extent_cache_info(sbi);  in f2fs_fill_super()
1092 	init_ino_entry_info(sbi);  in f2fs_fill_super()
1095 	err = build_segment_manager(sbi);  in f2fs_fill_super()
1101 	err = build_node_manager(sbi);  in f2fs_fill_super()
1108 	build_gc_manager(sbi);  in f2fs_fill_super()
1111 	sbi->node_inode = f2fs_iget(sb, F2FS_NODE_INO(sbi));  in f2fs_fill_super()
1112 	if (IS_ERR(sbi->node_inode)) {  in f2fs_fill_super()
1114 		err = PTR_ERR(sbi->node_inode);  in f2fs_fill_super()
1119 	recover_orphan_inodes(sbi);  in f2fs_fill_super()
1122 	root = f2fs_iget(sb, F2FS_ROOT_INO(sbi));  in f2fs_fill_super()
1140 	err = f2fs_build_stats(sbi);  in f2fs_fill_super()
1145 		sbi->s_proc = proc_mkdir(sb->s_id, f2fs_proc_root);  in f2fs_fill_super()
1147 	if (sbi->s_proc)  in f2fs_fill_super()
1148 		proc_create_data("segment_info", S_IRUGO, sbi->s_proc,  in f2fs_fill_super()
1151 	if (test_opt(sbi, DISCARD)) {  in f2fs_fill_super()
1159 	sbi->s_kobj.kset = f2fs_kset;  in f2fs_fill_super()
1160 	init_completion(&sbi->s_kobj_unregister);  in f2fs_fill_super()
1161 	err = kobject_init_and_add(&sbi->s_kobj, &f2fs_ktype, NULL,  in f2fs_fill_super()
1167 	if (!test_opt(sbi, DISABLE_ROLL_FORWARD)) {  in f2fs_fill_super()
1173 				!is_set_ckpt_flags(sbi->ckpt, CP_UMOUNT_FLAG)) {  in f2fs_fill_super()
1179 			set_sbi_flag(sbi, SBI_NEED_FSCK);  in f2fs_fill_super()
1181 		err = recover_fsync_data(sbi);  in f2fs_fill_super()
1194 	if (test_opt(sbi, BG_GC) && !f2fs_readonly(sb)) {  in f2fs_fill_super()
1196 		err = start_gc_thread(sbi);  in f2fs_fill_super()
1204 	kobject_del(&sbi->s_kobj);  in f2fs_fill_super()
1206 	if (sbi->s_proc) {  in f2fs_fill_super()
1207 		remove_proc_entry("segment_info", sbi->s_proc);  in f2fs_fill_super()
1210 	f2fs_destroy_stats(sbi);  in f2fs_fill_super()
1215 	iput(sbi->node_inode);  in f2fs_fill_super()
1217 	destroy_node_manager(sbi);  in f2fs_fill_super()
1219 	destroy_segment_manager(sbi);  in f2fs_fill_super()
1221 	kfree(sbi->ckpt);  in f2fs_fill_super()
1223 	make_bad_inode(sbi->meta_inode);  in f2fs_fill_super()
1224 	iput(sbi->meta_inode);  in f2fs_fill_super()
1230 	kfree(sbi);  in f2fs_fill_super()