From: Hannes Reinecke <hare@suse.de>
To: Mike Snitzer <snitzer@redhat.com>, Frank Mayhar <fmayhar@google.com>
Cc: dm-devel <dm-devel@redhat.com>, "Alasdair G. Kergon" <agk@redhat.com>
Subject: Re: [RFC PATCH v2] dm mpath: add a queue_if_no_path timeout
Date: Thu, 31 Oct 2013 15:59:42 +0100 [thread overview]
Message-ID: <5272705E.8010301@suse.de> (raw)
In-Reply-To: <20131030154259.GA8206@redhat.com>
On 10/30/2013 04:43 PM, Mike Snitzer wrote:
> On Wed, Oct 30 2013 at 11:08am -0400,
> Frank Mayhar <fmayhar@google.com> wrote:
>
>> On Tue, 2013-10-29 at 21:02 -0400, Mike Snitzer wrote:
>>> Any interest in this or should I just table it for >= v3.14?
>>
>> Sorry, I've been busy putting out another fire. Yes, there's definitely
>> still interest. I grabbed your revised patch and tested with it.
>> Unfortunately the timeout doesn't actually fire when requests are queued
>> due to queue_if_no_path; IIRC the block request queue timeout logic
>> wasn't triggering. I planned to look into it more deeply figure out why
>> but I had to spend all last week fixing a nasty race and hadn't gotten
>> back to it yet.
>
> OK, Hannes, any idea why this might be happening? The patch in question
> is here: https://patchwork.kernel.org/patch/3070391/
>
Not yet; currently I'm on vacation, but will be looking into it on Monday.
Cheers,
Hannes
--
Dr. Hannes Reinecke zSeries & Storage
hare@suse.de +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: J. Hawn, J. Guild, F. Imendörffer, HRB 16746 (AG Nürnberg)
next prev parent reply other threads:[~2013-10-31 14:59 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-26 17:14 RFC for multipath queue_if_no_path timeout Frank Mayhar
2013-09-26 17:24 ` Alasdair G Kergon
2013-09-26 17:31 ` Frank Mayhar
2013-09-26 17:38 ` Alasdair G Kergon
2013-09-26 17:47 ` Frank Mayhar
2013-09-26 17:52 ` Mike Snitzer
2013-09-26 20:36 ` [PATCH 1/1] dm mpath: Add timeout mechanism for queue_if_no_path Frank Mayhar
2013-09-26 23:22 ` RFC for multipath queue_if_no_path timeout Alasdair G Kergon
2013-09-26 23:49 ` Mike Snitzer
2013-09-27 6:07 ` Hannes Reinecke
2013-09-27 8:06 ` Hannes Reinecke
2013-09-27 8:37 ` Alasdair G Kergon
2013-09-27 13:52 ` Hannes Reinecke
2013-09-27 16:37 ` Frank Mayhar
2013-09-27 16:32 ` Frank Mayhar
2013-09-27 16:29 ` Frank Mayhar
2013-10-17 19:03 ` Frank Mayhar
2013-10-17 19:15 ` Mike Snitzer
2013-10-17 20:45 ` Frank Mayhar
2013-10-17 21:13 ` Mike Snitzer
2013-10-18 20:51 ` Frank Mayhar
2013-10-18 21:47 ` Alasdair G Kergon
2013-10-18 22:53 ` [RFC PATCH v2] dm mpath: add a " Mike Snitzer
2013-10-30 1:02 ` Mike Snitzer
2013-10-30 15:08 ` Frank Mayhar
2013-10-30 15:43 ` Mike Snitzer
2013-10-30 18:09 ` Frank Mayhar
2013-10-31 9:36 ` Junichi Nomura
2013-10-31 14:16 ` Frank Mayhar
2013-10-31 14:31 ` Alasdair G Kergon
2013-10-31 17:17 ` Frank Mayhar
2013-11-01 1:23 ` Junichi Nomura
2013-11-01 1:58 ` Junichi Nomura
2013-11-01 4:17 ` Junichi Nomura
2013-11-05 15:18 ` Frank Mayhar
2013-11-05 16:02 ` [RFC PATCH v3] " Frank Mayhar
2013-11-05 16:53 ` Mike Snitzer
2013-11-06 6:54 ` Hannes Reinecke
2013-11-06 15:43 ` Frank Mayhar
2013-11-06 19:21 ` Mike Snitzer
2013-11-07 1:03 ` Junichi Nomura
2013-10-31 14:59 ` Hannes Reinecke [this message]
2013-10-21 16:05 ` RFC for multipath " Benjamin Marzinski
2013-10-21 16:17 ` Frank Mayhar
2013-10-23 13:39 ` Benjamin Marzinski
2013-09-27 16:27 ` Frank Mayhar
2013-09-26 17:41 ` Mike Snitzer
2013-09-26 17:55 ` Frank Mayhar
2013-09-26 18:41 ` Mike Snitzer
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