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From: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
To: Alasdair Kergon <agk@redhat.com>
Cc: dm-devel@redhat.com, mbroz@redhat.com
Subject: Re: [PATCH 0/8] dm: request-based dm-multipath
Date: Thu, 29 Jan 2009 16:18:59 +0900	[thread overview]
Message-ID: <49815863.8040806@ct.jp.nec.com> (raw)
In-Reply-To: <20090128154019.GB23158@agk.fab.redhat.com>

Hi Alasdair,

On 01/29/2009 12:40 AM +0900, Alasdair G Kergon wrote:
> On Fri, Oct 03, 2008 at 11:08:25AM -0400, Kiyoshi Ueda wrote:
>> This patch-set is the updated version of request-based dm-multipath.
>> The changes from the previous version (*) are to follow up the change
>> of the interface to export lld's busy state (PATCH 5).
> 
> I've fixed them up to compile again, but haven't thoroughly checked for
> side-effects.

I found some problems below in my patches and now considering
how to fix them:
  o Unnecessary EIO is returned to application if it submits
    a bio during table swapping.
  o kernel panic occurs by frequent table swapping during heavy I/Os.
 
I'll post the fixed version after my vacation.

Thanks,
Kiyoshi Ueda

  reply	other threads:[~2009-01-29  7:18 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-03 15:08 [PATCH 0/8] dm: request-based dm-multipath Kiyoshi Ueda
2008-10-03 15:09 ` [PATCH 1/8] dm core: remove unused DM_WQ_FLUSH_ALL Kiyoshi Ueda
2008-10-03 15:09   ` Kiyoshi Ueda
2008-10-03 15:10 ` [PATCH 2/8] dm core: tidy local_init Kiyoshi Ueda
2008-10-03 15:17 ` [PATCH 3/8] dm core: add kmem_cache for request-based dm Kiyoshi Ueda
2008-10-03 15:18 ` [PATCH 4/8] dm core: add target interfaces " Kiyoshi Ueda
2008-10-03 15:18   ` Kiyoshi Ueda
2008-10-03 15:18 ` [PATCH 5/8] dm core: add core functions " Kiyoshi Ueda
2008-10-03 15:18   ` Kiyoshi Ueda
2008-10-03 15:19 ` [PATCH 6/8] dm core: enable " Kiyoshi Ueda
2008-10-03 15:19   ` Kiyoshi Ueda
2008-10-03 15:19 ` [PATCH 7/8] dm core: reject I/O violating new queue limits Kiyoshi Ueda
2008-10-03 15:19   ` Kiyoshi Ueda
2008-10-03 15:19 ` [PATCH 8/8] dm-mpath: convert to request-based Kiyoshi Ueda
2008-10-03 15:19   ` Kiyoshi Ueda
2009-01-28 15:40 ` [PATCH 0/8] dm: request-based dm-multipath Alasdair G Kergon
2009-01-29  7:18   ` Kiyoshi Ueda [this message]
2009-01-29 10:41     ` Hannes Reinecke
2009-01-29 14:32       ` Alasdair G Kergon
2009-01-30  8:05       ` Kiyoshi Ueda
2009-03-10  6:10         ` Kiyoshi Ueda
2009-03-10  7:17           ` Hannes Reinecke
2009-03-10  8:17             ` Kiyoshi Ueda
2009-03-11 12:28               ` Hannes Reinecke
2009-03-12  1:40                 ` Kiyoshi Ueda
2009-03-12  8:58             ` Kiyoshi Ueda
2009-03-12  9:08               ` Hannes Reinecke
2009-03-13  1:03                 ` Kiyoshi Ueda

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