ext4_valid_inum  3826 fs/ext4/inode.c 	if (!ext4_valid_inum(sb, inode->i_ino))
ext4_valid_inum  1048 fs/ext4/namei.c 		if (!ext4_valid_inum(dir->i_sb, ino)) {
ext4_valid_inum  1080 fs/ext4/namei.c 	if (!ext4_valid_inum(child->d_inode->i_sb, ino)) {