* This may drive us straight to ENOSPC on mount, but that implies
* we were already there on the last unmount.
*/
- resblks = min_t(__uint64_t, mp->m_sb.sb_dblocks / 20, 1024);
+ resblks = mp->m_sb.sb_dblocks;
+ do_div(resblks, 20);
+ resblks = min_t(__uint64_t, resblks, 1024);
xfs_reserve_blocks(mp, &resblks, NULL);
return 0;