XFS_IALLOC_SPACE_RES
ret = XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp, namelen);
ret = XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp, namelen) +
XFS_IALLOC_SPACE_RES(mp)
resblks = XFS_IALLOC_SPACE_RES(mp);
resblks = XFS_IALLOC_SPACE_RES(mp);
resblks -= XFS_IALLOC_SPACE_RES(mp);