Using a swap file

[Rostislav Krasny]

On Thu, Oct 31, 2013 at 5:05 AM, Hiroki Sato <hrs at freebsd.org> wrote:
> Rostislav Krasny <rosti.bsd at gmail.com> wrote
>   in <CANt7McGTBwintkopk=hEvo5D4BvsyiFwL_-q9uzna3PwBmm1Rg at mail.gmail.com>:
>
> ro> But I have no 'late' option in my /etc/fstab:
> ro>
> ro> root at saturn:~ # cat /etc/fstab
> ro> # Device    Mountpoint    FStype    Options            Dump    Pass#
> ro> /dev/ada0s2a    /        ufs    rw            1    1
> ro> md        none        swap    sw,file=/swapfile    0    0
> ro>
> ro> Then why 'swapon -a' (without -L) doesn't work? It's either buggy or confusing.
>
>  After r255265 the option file= implies late.  It is because a
>  file-backed swap space likely to be on a mounted filesystem after the
>  "swap" line.
>
>  I realized that that assumption was odd and confusing as you pointed
>  out.  The user should specify a swap line with file= after the mount
>  entry, and there is no problem with it.  I will fix it.

Hope to see the fix in the upcoming 10.0 release and in the Handbook.
Thank you.