252 void f2fs_msg(struct super_block *sb, const char *level, const char *fmt, ...)  in f2fs_msg()  argument
260 	printk("%sF2FS-fs (%s): %pV\n", level, sb->s_id, &vaf);  in f2fs_msg()
271 static int parse_options(struct super_block *sb, char *options)  in parse_options()  argument
273 	struct f2fs_sb_info *sbi = F2FS_SB(sb);  in parse_options()
320 			if (!f2fs_readonly(sb))  in parse_options()
324 			q = bdev_get_queue(sb->s_bdev);  in parse_options()
328 				f2fs_msg(sb, KERN_WARNING,  in parse_options()
348 			f2fs_msg(sb, KERN_INFO,  in parse_options()
352 			f2fs_msg(sb, KERN_INFO,  in parse_options()
356 			f2fs_msg(sb, KERN_INFO,  in parse_options()
369 			f2fs_msg(sb, KERN_INFO, "acl options not supported");  in parse_options()
372 			f2fs_msg(sb, KERN_INFO, "noacl options not supported");  in parse_options()
410 			f2fs_msg(sb, KERN_ERR,  in parse_options()
419 static struct inode *f2fs_alloc_inode(struct super_block *sb)  in f2fs_alloc_inode()  argument
440 	if (test_opt(F2FS_SB(sb), INLINE_XATTR))  in f2fs_alloc_inode()
444 	fi->i_dir_level = F2FS_SB(sb)->dir_level;  in f2fs_alloc_inode()
516 static void f2fs_put_super(struct super_block *sb)  in f2fs_put_super()  argument
518 	struct f2fs_sb_info *sbi = F2FS_SB(sb);  in f2fs_put_super()
522 		remove_proc_entry(sb->s_id, f2fs_proc_root);  in f2fs_put_super()
568 	sb->s_fs_info = NULL;  in f2fs_put_super()
573 int f2fs_sync_fs(struct super_block *sb, int sync)  in f2fs_sync_fs()  argument
575 	struct f2fs_sb_info *sbi = F2FS_SB(sb);  in f2fs_sync_fs()
577 	trace_f2fs_sync_fs(sb, sync);  in f2fs_sync_fs()
595 static int f2fs_freeze(struct super_block *sb)  in f2fs_freeze()  argument
599 	if (f2fs_readonly(sb))  in f2fs_freeze()
602 	err = f2fs_sync_fs(sb, 1);  in f2fs_freeze()
606 static int f2fs_unfreeze(struct super_block *sb)  in f2fs_unfreeze()  argument
613 	struct super_block *sb = dentry->d_sb;  in f2fs_statfs()  local
614 	struct f2fs_sb_info *sbi = F2FS_SB(sb);  in f2fs_statfs()
615 	u64 id = huge_encode_dev(sb->s_bdev->bd_dev);  in f2fs_statfs()
643 	if (!f2fs_readonly(sbi->sb) && test_opt(sbi, BG_GC)) {  in f2fs_show_options()
679 	if (!f2fs_readonly(sbi->sb) && test_opt(sbi, FLUSH_MERGE))  in f2fs_show_options()
696 	struct super_block *sb = seq->private;  in segment_info_seq_show()  local
697 	struct f2fs_sb_info *sbi = F2FS_SB(sb);  in segment_info_seq_show()
751 static int f2fs_remount(struct super_block *sb, int *flags, char *data)  in f2fs_remount()  argument
753 	struct f2fs_sb_info *sbi = F2FS_SB(sb);  in f2fs_remount()
760 	sync_filesystem(sb);  in f2fs_remount()
773 	err = parse_options(sb, data);  in f2fs_remount()
781 	if (f2fs_readonly(sb) && (*flags & MS_RDONLY))  in f2fs_remount()
787 		f2fs_msg(sbi->sb, KERN_WARNING,  in f2fs_remount()
800 			f2fs_sync_fs(sb, 1);  in f2fs_remount()
823 	 sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |  in f2fs_remount()
829 			f2fs_msg(sbi->sb, KERN_WARNING,  in f2fs_remount()
856 static struct inode *f2fs_nfs_get_inode(struct super_block *sb,  in f2fs_nfs_get_inode()  argument
859 	struct f2fs_sb_info *sbi = F2FS_SB(sb);  in f2fs_nfs_get_inode()
870 	inode = f2fs_iget(sb, ino);  in f2fs_nfs_get_inode()
881 static struct dentry *f2fs_fh_to_dentry(struct super_block *sb, struct fid *fid,  in f2fs_fh_to_dentry()  argument
884 	return generic_fh_to_dentry(sb, fid, fh_len, fh_type,  in f2fs_fh_to_dentry()
888 static struct dentry *f2fs_fh_to_parent(struct super_block *sb, struct fid *fid,  in f2fs_fh_to_parent()  argument
891 	return generic_fh_to_parent(sb, fid, fh_len, fh_type,  in f2fs_fh_to_parent()
921 static int sanity_check_raw_super(struct super_block *sb,  in sanity_check_raw_super()  argument
927 		f2fs_msg(sb, KERN_INFO,  in sanity_check_raw_super()
935 		f2fs_msg(sb, KERN_INFO,  in sanity_check_raw_super()
944 		f2fs_msg(sb, KERN_INFO,  in sanity_check_raw_super()
955 		f2fs_msg(sb, KERN_INFO, "Invalid log sectorsize (%u)",  in sanity_check_raw_super()
962 		f2fs_msg(sb, KERN_INFO,  in sanity_check_raw_super()
988 		f2fs_msg(sbi->sb, KERN_ERR, "A bug case: need to run fsck");  in sanity_check_ckpt()
1033 static int read_raw_super_block(struct super_block *sb,  in read_raw_super_block()  argument
1044 	buffer = sb_bread(sb, block);  in read_raw_super_block()
1047 		f2fs_msg(sb, KERN_ERR, "Unable to read %dth superblock",  in read_raw_super_block()
1062 	if (sanity_check_raw_super(sb, super)) {  in read_raw_super_block()
1065 		f2fs_msg(sb, KERN_ERR,  in read_raw_super_block()
1125 static int f2fs_fill_super(struct super_block *sb, void *data, int silent)  in f2fs_fill_super()  argument
1148 	if (unlikely(!sb_set_blocksize(sb, F2FS_BLKSIZE))) {  in f2fs_fill_super()
1149 		f2fs_msg(sb, KERN_ERR, "unable to set blocksize");  in f2fs_fill_super()
1153 	err = read_raw_super_block(sb, &raw_super, &raw_super_buf, &recovery);  in f2fs_fill_super()
1157 	sb->s_fs_info = sbi;  in f2fs_fill_super()
1166 	err = parse_options(sb, options);  in f2fs_fill_super()
1170 	sb->s_maxbytes = max_file_size(le32_to_cpu(raw_super->log_blocksize));  in f2fs_fill_super()
1171 	sb->s_max_links = F2FS_LINK_MAX;  in f2fs_fill_super()
1174 	sb->s_op = &f2fs_sops;  in f2fs_fill_super()
1175 	sb->s_xattr = f2fs_xattr_handlers;  in f2fs_fill_super()
1176 	sb->s_export_op = &f2fs_export_ops;  in f2fs_fill_super()
1177 	sb->s_magic = F2FS_SUPER_MAGIC;  in f2fs_fill_super()
1178 	sb->s_time_gran = 1;  in f2fs_fill_super()
1179 	sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |  in f2fs_fill_super()
1181 	memcpy(sb->s_uuid, raw_super->uuid, sizeof(raw_super->uuid));  in f2fs_fill_super()
1184 	sbi->sb = sb;  in f2fs_fill_super()
1210 	sbi->meta_inode = f2fs_iget(sb, F2FS_META_INO(sbi));  in f2fs_fill_super()
1212 		f2fs_msg(sb, KERN_ERR, "Failed to read F2FS meta data inode");  in f2fs_fill_super()
1219 		f2fs_msg(sb, KERN_ERR, "Failed to get valid F2FS checkpoint");  in f2fs_fill_super()
1226 		f2fs_msg(sb, KERN_ERR, "Invalid F2FS checkpoint");  in f2fs_fill_super()
1249 		f2fs_msg(sb, KERN_ERR,  in f2fs_fill_super()
1255 		f2fs_msg(sb, KERN_ERR,  in f2fs_fill_super()
1263 	sbi->node_inode = f2fs_iget(sb, F2FS_NODE_INO(sbi));  in f2fs_fill_super()
1265 		f2fs_msg(sb, KERN_ERR, "Failed to read node inode");  in f2fs_fill_super()
1278 	root = f2fs_iget(sb, F2FS_ROOT_INO(sbi));  in f2fs_fill_super()
1280 		f2fs_msg(sb, KERN_ERR, "Failed to read root inode");  in f2fs_fill_super()
1290 	sb->s_root = d_make_root(root); /* allocate root dentry */  in f2fs_fill_super()
1291 	if (!sb->s_root) {  in f2fs_fill_super()
1301 		sbi->s_proc = proc_mkdir(sb->s_id, f2fs_proc_root);  in f2fs_fill_super()
1305 				 &f2fs_seq_segment_info_fops, sb);  in f2fs_fill_super()
1310 							"%s", sb->s_id);  in f2fs_fill_super()
1320 		if (bdev_read_only(sb->s_bdev) &&  in f2fs_fill_super()
1332 			f2fs_msg(sb, KERN_ERR,  in f2fs_fill_super()
1344 	if (test_opt(sbi, BG_GC) && !f2fs_readonly(sb)) {  in f2fs_fill_super()
1353 	if (recovery && !f2fs_readonly(sb) && !bdev_read_only(sb->s_bdev)) {  in f2fs_fill_super()
1354 		f2fs_msg(sb, KERN_INFO, "Recover invalid superblock");  in f2fs_fill_super()
1367 		remove_proc_entry(sb->s_id, f2fs_proc_root);  in f2fs_fill_super()
1371 	dput(sb->s_root);  in f2fs_fill_super()
1372 	sb->s_root = NULL;  in f2fs_fill_super()
1397 		shrink_dcache_sb(sb);  in f2fs_fill_super()
1409 static void kill_f2fs_super(struct super_block *sb)  in kill_f2fs_super()  argument
1411 	if (sb->s_root)  in kill_f2fs_super()
1412 		set_sbi_flag(F2FS_SB(sb), SBI_IS_CLOSE);  in kill_f2fs_super()
1413 	kill_block_super(sb);  in kill_f2fs_super()