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Date:      Wed, 20 May 2009 12:29:32 -0700
From:      Juli Mallett <jmallett@FreeBSD.org>
To:        Rick Macklem <rmacklem@freebsd.org>
Cc:        svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org
Subject:   Re: svn commit: r192463 - head/sys/fs/nfsserver
Message-ID:  <eaa228be0905201229m2fcd024t58c29206776e0a30@mail.gmail.com>
In-Reply-To: <200905201858.n4KIw7Fc040619@svn.freebsd.org>
References:  <200905201858.n4KIw7Fc040619@svn.freebsd.org>

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When client ids have been run out of, does that put something into a
dangerous state (insecure or crash-prone)?  Isn't it better to let the
administrator make the decision of when to reboot the machine?

On Wed, May 20, 2009 at 11:58 AM, Rick Macklem <rmacklem@freebsd.org> wrote:
> Author: rmacklem
> Date: Wed May 20 18:58:07 2009
> New Revision: 192463
> URL: http://svn.freebsd.org/changeset/base/192463
>
> Log:
>  Although it should never happen, all the nfsv4 server can do
>  when it runs out of clientids is reboot. I had replaced cpu_reboot()
>  with printf(), since cpu_reboot() doesn't exist for sparc64.
>  This change replaces the printf() with panic(), so the reboot
>  would occur for this highly unlikely occurrence.
>
>  Approved by:  kib (mentor)
>
> Modified:
>  head/sys/fs/nfsserver/nfs_nfsdstate.c
>
> Modified: head/sys/fs/nfsserver/nfs_nfsdstate.c
> ==============================================================================
> --- head/sys/fs/nfsserver/nfs_nfsdstate.c       Wed May 20 18:45:49 2009        (r192462)
> +++ head/sys/fs/nfsserver/nfs_nfsdstate.c       Wed May 20 18:58:07 2009        (r192463)
> @@ -3709,7 +3709,7 @@ nfsrv_nextclientindex(void)
>         * In practice, we'll never get here, but the reboot is here,
>         * just for fun. (client_index will not wrap around on any real server)
>         */
> -       printf("you must reboot now\n");
> +       panic("nfsv4 server out of clientids");
>        return (0);     /* Just to shut the compiler up */
>  }
>
>



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