Re: [Qemu-devel] [PATCH] do not chdir(/) in qemu-nbd

[Stefan Hajnoczi]

On Fri, Jan 13, 2012 at 9:04 AM, Michael Tokarev <address@hidden> wrote:
> When qemu-nbd becomes a daemon it calls daemon(3) with
> nochdir=0, so daemon(3) changes current directory to /.
> But at this time, qemu-nbd did not open any user-specified
> files yet, so by changing current directory, all non-absolute
> paths becomes wrong.  The solution is to pass nochdir=1 to
> daemon(3) function.

It's polite to chdir("/") so that file systems can be unmounted (even
more important when chroot was involved, but I think qemu-nbd doesn't
do that).  Is it possible to manually do a chdir("/") later on after
we've opened necessary files?

Stefan