ext4_sb_block_valid
return ext4_sb_block_valid(inode->i_sb, inode, start_blk, count);
extern int ext4_sb_block_valid(struct super_block *sb, struct inode *inode,
if (!ext4_sb_block_valid(sb, NULL, block, thisgrp_len)) {
if (!ext4_sb_block_valid(sb, NULL, block, count)) {