ext4_fsblk_t block = idx_pblock(ext_idx);
struct ext4_super_block *es = EXT4_SB(inode->i_sb)->s_es;
if (unlikely(block < le32_to_cpu(es->s_first_data_block) ||
- (block > ext4_blocks_count(es))))
+ (block >= ext4_blocks_count(es))))
return 0;
else
return 1;