From: Goldwyn Rodrigues <rgoldwyn@suse.de>
To: Wols Lists <antlists@youngman.org.uk>, NeilBrown <neilb@suse.com>,
Guoqing Jiang <gqJiang@suse.com>
Cc: linux-raid@vger.kernel.org
Subject: Re: [PATCH 3/3] Safeguard against writing to an active device of another node
Date: Sat, 1 Aug 2015 10:54:48 -0500 [thread overview]
Message-ID: <55BCEBC8.4040306@suse.de> (raw)
In-Reply-To: <55BCEABF.6060505@youngman.org.uk>
On 08/01/2015 10:50 AM, Wols Lists wrote:
> On 30/07/15 00:40, Goldwyn Rodrigues wrote:
>>>
>>> I was wondering if we could make it a run-time dependency though .. a
>>> bit like get_cluster_name. We can still do that later I guess. I'm
>>> not really sure what is best at the moment.
>>>
>>
>>
>> Yes, I would second that: Making these functions a run-time dependency.
>> We should have the ability for it to work by just installing libdlm
>> (with the proper flags set), rather than recompiling the package for
>> cluster features.
>
> Or - maybe unlikely but maybe not - what happens if somebody installs a
> binary that was built on a system WITH dlm, but is meant to run on a
> system WITHOUT dlm?
>
> Actually, wouldn't that be the typical case for a typical distro?
>
That's exactly the case we are trying to cover in the above explanation.
IOw, we would be using -ldl for runtime compatibility. If libdlm is not
present, cluster functions will be resolved to null and will not be
executed/allowed.
--
Goldwyn
next prev parent reply other threads:[~2015-08-01 15:54 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-06 8:52 [PATCH 1/3] mdadm: fix wrong condition for go to abort Guoqing Jiang
2015-07-06 8:52 ` [PATCH 2/3] md-cluster: use %-64s to print cluster_name Guoqing Jiang
2015-07-06 8:52 ` [PATCH 3/3] Safeguard against writing to an active device of another node Guoqing Jiang
2015-07-29 7:28 ` NeilBrown
2015-07-29 10:41 ` Guoqing Jiang
2015-07-29 22:02 ` NeilBrown
2015-07-29 23:40 ` Goldwyn Rodrigues
2015-07-30 3:18 ` Guoqing Jiang
2015-08-01 15:50 ` Wols Lists
2015-08-01 15:54 ` Goldwyn Rodrigues [this message]
2015-07-30 3:16 ` Guoqing Jiang
2015-07-30 8:22 ` Guoqing Jiang
2015-07-30 8:38 ` Guoqing Jiang
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