239 void f2fs_msg(struct super_block *sb, const char *level, const char *fmt, ...)  in f2fs_msg()  argument
247 	printk("%sF2FS-fs (%s): %pV\n", level, sb->s_id, &vaf);  in f2fs_msg()
258 static int parse_options(struct super_block *sb, char *options)  in parse_options()  argument
260 	struct f2fs_sb_info *sbi = F2FS_SB(sb);  in parse_options()
301 			if (!f2fs_readonly(sb))  in parse_options()
322 			f2fs_msg(sb, KERN_INFO,  in parse_options()
326 			f2fs_msg(sb, KERN_INFO,  in parse_options()
330 			f2fs_msg(sb, KERN_INFO,  in parse_options()
343 			f2fs_msg(sb, KERN_INFO, "acl options not supported");  in parse_options()
346 			f2fs_msg(sb, KERN_INFO, "noacl options not supported");  in parse_options()
381 			f2fs_msg(sb, KERN_ERR,  in parse_options()
390 static struct inode *f2fs_alloc_inode(struct super_block *sb)  in f2fs_alloc_inode()  argument
413 	if (test_opt(F2FS_SB(sb), INLINE_XATTR))  in f2fs_alloc_inode()
417 	fi->i_dir_level = F2FS_SB(sb)->dir_level;  in f2fs_alloc_inode()
457 static void f2fs_put_super(struct super_block *sb)  in f2fs_put_super()  argument
459 	struct f2fs_sb_info *sbi = F2FS_SB(sb);  in f2fs_put_super()
463 		remove_proc_entry(sb->s_id, f2fs_proc_root);  in f2fs_put_super()
501 	sb->s_fs_info = NULL;  in f2fs_put_super()
506 int f2fs_sync_fs(struct super_block *sb, int sync)  in f2fs_sync_fs()  argument
508 	struct f2fs_sb_info *sbi = F2FS_SB(sb);  in f2fs_sync_fs()
510 	trace_f2fs_sync_fs(sb, sync);  in f2fs_sync_fs()
528 static int f2fs_freeze(struct super_block *sb)  in f2fs_freeze()  argument
532 	if (f2fs_readonly(sb))  in f2fs_freeze()
535 	err = f2fs_sync_fs(sb, 1);  in f2fs_freeze()
539 static int f2fs_unfreeze(struct super_block *sb)  in f2fs_unfreeze()  argument
546 	struct super_block *sb = dentry->d_sb;  in f2fs_statfs()  local
547 	struct f2fs_sb_info *sbi = F2FS_SB(sb);  in f2fs_statfs()
548 	u64 id = huge_encode_dev(sb->s_bdev->bd_dev);  in f2fs_statfs()
576 	if (!f2fs_readonly(sbi->sb) && test_opt(sbi, BG_GC))  in f2fs_show_options()
608 	if (!f2fs_readonly(sbi->sb) && test_opt(sbi, FLUSH_MERGE))  in f2fs_show_options()
623 	struct super_block *sb = seq->private;  in segment_info_seq_show()  local
624 	struct f2fs_sb_info *sbi = F2FS_SB(sb);  in segment_info_seq_show()
661 static int f2fs_remount(struct super_block *sb, int *flags, char *data)  in f2fs_remount()  argument
663 	struct f2fs_sb_info *sbi = F2FS_SB(sb);  in f2fs_remount()
669 	sync_filesystem(sb);  in f2fs_remount()
682 	err = parse_options(sb, data);  in f2fs_remount()
690 	if (f2fs_readonly(sb) && (*flags & MS_RDONLY))  in f2fs_remount()
701 			f2fs_sync_fs(sb, 1);  in f2fs_remount()
724 	 sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |  in f2fs_remount()
730 			f2fs_msg(sbi->sb, KERN_WARNING,  in f2fs_remount()
757 static struct inode *f2fs_nfs_get_inode(struct super_block *sb,  in f2fs_nfs_get_inode()  argument
760 	struct f2fs_sb_info *sbi = F2FS_SB(sb);  in f2fs_nfs_get_inode()
771 	inode = f2fs_iget(sb, ino);  in f2fs_nfs_get_inode()
782 static struct dentry *f2fs_fh_to_dentry(struct super_block *sb, struct fid *fid,  in f2fs_fh_to_dentry()  argument
785 	return generic_fh_to_dentry(sb, fid, fh_len, fh_type,  in f2fs_fh_to_dentry()
789 static struct dentry *f2fs_fh_to_parent(struct super_block *sb, struct fid *fid,  in f2fs_fh_to_parent()  argument
792 	return generic_fh_to_parent(sb, fid, fh_len, fh_type,  in f2fs_fh_to_parent()
822 static int sanity_check_raw_super(struct super_block *sb,  in sanity_check_raw_super()  argument
828 		f2fs_msg(sb, KERN_INFO,  in sanity_check_raw_super()
836 		f2fs_msg(sb, KERN_INFO,  in sanity_check_raw_super()
845 		f2fs_msg(sb, KERN_INFO,  in sanity_check_raw_super()
856 		f2fs_msg(sb, KERN_INFO, "Invalid log sectorsize (%u)",  in sanity_check_raw_super()
863 		f2fs_msg(sb, KERN_INFO,  in sanity_check_raw_super()
889 		f2fs_msg(sbi->sb, KERN_ERR, "A bug case: need to run fsck");  in sanity_check_ckpt()
930 static int read_raw_super_block(struct super_block *sb,  in read_raw_super_block()  argument
937 	*raw_super_buf = sb_bread(sb, block);  in read_raw_super_block()
939 		f2fs_msg(sb, KERN_ERR, "Unable to read %dth superblock",  in read_raw_super_block()
953 	if (sanity_check_raw_super(sb, *raw_super)) {  in read_raw_super_block()
955 		f2fs_msg(sb, KERN_ERR,  in read_raw_super_block()
969 static int f2fs_fill_super(struct super_block *sb, void *data, int silent)  in f2fs_fill_super()  argument
987 	if (unlikely(!sb_set_blocksize(sb, F2FS_BLKSIZE))) {  in f2fs_fill_super()
988 		f2fs_msg(sb, KERN_ERR, "unable to set blocksize");  in f2fs_fill_super()
992 	err = read_raw_super_block(sb, &raw_super, &raw_super_buf);  in f2fs_fill_super()
996 	sb->s_fs_info = sbi;  in f2fs_fill_super()
1016 	err = parse_options(sb, options);  in f2fs_fill_super()
1020 	sb->s_maxbytes = max_file_size(le32_to_cpu(raw_super->log_blocksize));  in f2fs_fill_super()
1021 	sb->s_max_links = F2FS_LINK_MAX;  in f2fs_fill_super()
1024 	sb->s_op = &f2fs_sops;  in f2fs_fill_super()
1025 	sb->s_xattr = f2fs_xattr_handlers;  in f2fs_fill_super()
1026 	sb->s_export_op = &f2fs_export_ops;  in f2fs_fill_super()
1027 	sb->s_magic = F2FS_SUPER_MAGIC;  in f2fs_fill_super()
1028 	sb->s_time_gran = 1;  in f2fs_fill_super()
1029 	sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |  in f2fs_fill_super()
1031 	memcpy(sb->s_uuid, raw_super->uuid, sizeof(raw_super->uuid));  in f2fs_fill_super()
1034 	sbi->sb = sb;  in f2fs_fill_super()
1058 	sbi->meta_inode = f2fs_iget(sb, F2FS_META_INO(sbi));  in f2fs_fill_super()
1060 		f2fs_msg(sb, KERN_ERR, "Failed to read F2FS meta data inode");  in f2fs_fill_super()
1067 		f2fs_msg(sb, KERN_ERR, "Failed to get valid F2FS checkpoint");  in f2fs_fill_super()
1074 		f2fs_msg(sb, KERN_ERR, "Invalid F2FS checkpoint");  in f2fs_fill_super()
1097 		f2fs_msg(sb, KERN_ERR,  in f2fs_fill_super()
1103 		f2fs_msg(sb, KERN_ERR,  in f2fs_fill_super()
1111 	sbi->node_inode = f2fs_iget(sb, F2FS_NODE_INO(sbi));  in f2fs_fill_super()
1113 		f2fs_msg(sb, KERN_ERR, "Failed to read node inode");  in f2fs_fill_super()
1122 	root = f2fs_iget(sb, F2FS_ROOT_INO(sbi));  in f2fs_fill_super()
1124 		f2fs_msg(sb, KERN_ERR, "Failed to read root inode");  in f2fs_fill_super()
1134 	sb->s_root = d_make_root(root); /* allocate root dentry */  in f2fs_fill_super()
1135 	if (!sb->s_root) {  in f2fs_fill_super()
1145 		sbi->s_proc = proc_mkdir(sb->s_id, f2fs_proc_root);  in f2fs_fill_super()
1149 				 &f2fs_seq_segment_info_fops, sb);  in f2fs_fill_super()
1152 		struct request_queue *q = bdev_get_queue(sb->s_bdev);  in f2fs_fill_super()
1154 			f2fs_msg(sb, KERN_WARNING,  in f2fs_fill_super()
1162 							"%s", sb->s_id);  in f2fs_fill_super()
1172 		if (bdev_read_only(sb->s_bdev) &&  in f2fs_fill_super()
1184 			f2fs_msg(sb, KERN_ERR,  in f2fs_fill_super()
1194 	if (test_opt(sbi, BG_GC) && !f2fs_readonly(sb)) {  in f2fs_fill_super()
1208 		remove_proc_entry(sb->s_id, f2fs_proc_root);  in f2fs_fill_super()
1212 	dput(sb->s_root);  in f2fs_fill_super()
1213 	sb->s_root = NULL;  in f2fs_fill_super()
1235 		shrink_dcache_sb(sb);  in f2fs_fill_super()
1247 static void kill_f2fs_super(struct super_block *sb)  in kill_f2fs_super()  argument
1249 	if (sb->s_root)  in kill_f2fs_super()
1250 		set_sbi_flag(F2FS_SB(sb), SBI_IS_CLOSE);  in kill_f2fs_super()
1251 	kill_block_super(sb);  in kill_f2fs_super()