On 23/09/14 12:36, Martin Lucina wrote:
> Hi,
>
> while experimenting with rumpkernel I wanted to try fs-utils and found some
> issues with getting it to work against the current rumpkernel build,
> running on a Linux (Debian stable) userspace:
>
> 1)  It seems that the librumpkern_sys_xxx libraries no longer exist, is
> that correct?  Removing these from configure.ac makes the fs-utils build
> work.

I don't at least remember them being removed.  (but then again I don't 
remember much)

> 2)  Using the test sysvbfs image from fstest2 in buildrump.sh, I get the
> following behaviour:
>
>      $ ./fsu_ls -t sysvbfs /tmp/image -la /
>      ?-------w-  2 0  0  1367973581 Jan  1  1970 /
>      $ ./fsu_ls -t sysvbfs /tmp/image -la /README
>      ?--------x  3 0  0  1367974979 Jan  1  1970 /README
>      $ ./fsu_ls -t sysvbfs /tmp/image -la /nonexistent
>      lt-fsu_ls: /nonexistent: No such file or directory
>      $ ./fsu_cat -t sysvbfs /tmp/image /
>      lt-fsu_cat: /: Is a directory
>      $ ./fsu_cat -t sysvbfs /tmp/image /README
>      Is that a small file system in your pocket or aren't you happy to see me?
>      $ ./fsu_cat -t sysvbfs /tmp/image /nonexistent
>      lt-fsu_cat: /nonexistent: No such file or directory
>      $ ./fsu_find -t sysvbfs /tmp/image /
>      /
>
> So it looks like there's something wrong with (at least) sys_stat() and
> friends.

That happens most likely because the compatibility for stat() between 
"userspace" (Linux Debian in your case) and the "kernel" (NetBSD-based 
rump kernel) is provided by the rumpkern_sys_foo libraries 
(rumpkern_sys_linux in this case).

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