ext4_verity_metadata_pos
const u64 desc_pos = round_up(ext4_verity_metadata_pos(inode) +
if (desc_pos < ext4_verity_metadata_pos(inode))
index += ext4_verity_metadata_pos(inode) >> PAGE_SHIFT;
index += ext4_verity_metadata_pos(inode) >> PAGE_SHIFT;
pos += ext4_verity_metadata_pos(file_inode(file));