All of lore.kernel.org
 help / color / mirror / Atom feed
From: Hannes Reinecke <hare@suse.de>
To: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Cc: device-mapper development <dm-devel@redhat.com>
Subject: Re: [PATCH 0/8] dm: request-based dm-multipath
Date: Thu, 12 Mar 2009 10:08:36 +0100	[thread overview]
Message-ID: <49B8D114.6040200@suse.de> (raw)
In-Reply-To: <49B8CEBB.7070701@ct.jp.nec.com>

Hi Kiyoshi,

Kiyoshi Ueda wrote:
> Hi Hannes,
> 
> On 2009/03/10 16:17 +0900, Hannes Reinecke wrote:
[ .. ]
>> Yes, I've found that one later on.
>> The real problem was in clone_setup_bios(), which might end up calling an
>> invalid end_io_data pointer. Patch is attached.
> 
> Nice catch!  Thank you for the patch.
> 
Oh, nae bother. Took me only a month to track it down :-(

>> -static void free_bio_clone(struct request *clone)
>> +static void free_bio_clone(struct request *clone, struct mapped_device *md)
> 
> I have changed the argument order to match with other free_* functions:
>     free_bio_clone(struct mapped_device *md, struct request *clone)
> 
Sure. I wasn't sure myself which way round the arguments should be.

Do you have an updated patch of your suspend fixes? We've run into an issue
here which looks suspiciously close to that one (I/O is completed on a deleted
pgpath), so we would be happy to test it these out.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		      zSeries & Storage
hare@suse.de			      +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: Markus Rex, HRB 16746 (AG Nürnberg)

  reply	other threads:[~2009-03-12  9:08 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
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 [this message]
2009-03-13  1:03                 ` Kiyoshi Ueda

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=49B8D114.6040200@suse.de \
    --to=hare@suse.de \
    --cc=dm-devel@redhat.com \
    --cc=k-ueda@ct.jp.nec.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.