Re: Enable findmnt on kfreebsd

[Karel Zak <kzak@redhat.com>]

On Wed, Mar 13, 2013 at 07:39:47PM -0500, Jeff Epler wrote:
> In a recent discussion on #debian-kbsd, rleigh brought up the fact that
> findmnt isn't available on kfreebsd; he feels it would be useful in
> initscripts.

 Do you mean for fstab/mtab parsing? ... because I cannot imagine
 anything else without Linux kernel.

> I had a look at what it would take to enable findmnt, which needs
> libmount.  It turns out that not much is required: mostly, make a few
> bits of code return (-)ENOSYS.  There were also a few more bits that
> needed tweaking before kfreebsd was happy (LIST_HEAD is also in some
> bsd-origin header, and of course <linux/posix_types.h> was not
> available).
> 
> I'm not sure I correctly intuited where it was proper to return +ENOSYS
> and where it was proper to return -ENOSYS, so this merits further study.

 Maybe you can #ifdef whole context{.c,_umount.c,mount.c} API. All you
 need is probably fs.c tab*.c files. Maybe you can modify libmount/src/Makemodule.am
 rather than code to create a minimalistic kernel independent libmount :-)

    Karel

-- 
 Karel Zak  <kzak@redhat.com>
 http://karelzak.blogspot.com