linux-kernel - Re: [PATCH] ceph: use kernel DNS resolver

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Message-ID: <CAB2gnbVaS=x9hurY0P8x4Ltqh11foOpsMBy2MNt662T2X9+BLQ@mail.gmail.com>
Date:	Fri, 23 Sep 2011 11:51:27 -0700
From:	Noah Watkins <noahwatkins@...il.com>
To:	Sage Weil <sage@...dream.net>
Cc:	ceph-devel@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ceph: use kernel DNS resolver

On Thu, Sep 22, 2011 at 14:29, Sage Weil <sage@...dream.net> wrote:
> Currently the dns resolution is handled by mount.ceph and 'rbd map/unmap'.
> I don't think that will go away (at the very least need to support old
> kernels).

This is good to know. I never encountered the DNS lookup because I've
always used a non-standard installation path, avoiding mount.ceph.

> Allowing this in the raw kernel interface would be nice, but I don't think
> we want make DNS_RESOLVER a strict dependency, since it's new, kind of
> kludgey, and a ripe target for compiling out of small or secure kernels.
> Can you make it build either with or without it?

I sent out a new version of the patch that defines a libceph specific
configuration
option to use the in-kernel dns resolver.

Thanks for the feedback!
-Noah
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