linux-kernel - Re: [Devel] [PATCH] nfsd: check client tracker initialization result

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Message-ID: <20130306144034.GN15816@fieldses.org>
Date:	Wed, 6 Mar 2013 09:40:34 -0500
From:	"J. Bruce Fields" <bfields@...ldses.org>
To:	Stanislav Kinsbursky <skinsbursky@...allels.com>
Cc:	linux-nfs@...r.kernel.org, Trond.Myklebust@...app.com,
	linux-kernel@...r.kernel.org, devel@...nvz.org
Subject: Re: [Devel] [PATCH] nfsd: check client tracker initialization result

On Wed, Mar 06, 2013 at 10:18:38AM +0400, Stanislav Kinsbursky wrote:
> 06.03.2013 09:06, Stanislav Kinsbursky пишет:
> >06.03.2013 01:20, J. Bruce Fields пишет:
> >>On Thu, Feb 28, 2013 at 03:09:59PM +0300, Stanislav Kinsbursky wrote:
> >>>Function nfsd4_client_tracking_init() can return error.
> >>
> >>Before, I think that we the nfsd4_client_* functions just became no-ops
> >>in this case.  With the result that no client records get written, and
> >>so clients are unable to reclaim on the next boot.
> >>
> >>Which is annoying, but possibly not as annoying as your server
> >>completely refusing to start.
> >>
> >>It's arguably more helpful in the long run to fail immediately when we
> >>recognize reboot recovery isn't going to work.  But in practice this may
> >>mean people that never knew they had a problem suddenly have servers
> >>that don't start at all.
> >>
> >>So I'm inclined to be more forgiving and leave this as it is.  But maybe
> >>something like a warning printk would be appropriate.
> >>
> >
> >Ok then.
> >I'll add the warning anf convert the function to be "void" rather then "int".
> >Thanks!
> >
> 
> We already have a warning.
> So, probably all we need is just to change a prototype to make it less confusing.
> Is it ok?

Sure.  And/or add a comment if you think it would be useful.

--b.
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