im_nbperiext
imap->im_nbperiext = le32_to_cpu(dinom_le->in_nbperiext);
if ((rc = dbAlloc(ipimap, hint, (s64) imap->im_nbperiext, &blkno)))
for (i = 0; i < imap->im_nbperiext; i += sbi->nbperpage) {
PXDlength(&(dp->di_ixpxd), imap->im_nbperiext);
dinom_le->in_nbperiext = cpu_to_le32(imp->im_nbperiext);
PXDlength(&iagp->inoext[extno], imap->im_nbperiext);
if ((lengthPXD(&iagp->inoext[extno]) != imap->im_nbperiext) ||
JFS_IP(ipimap)->i_imap->im_nbperiext)) {