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From: Andrew Morton <akpm@osdl.org>
To: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: linux-kernel@vger.kernel.org, Alasdair G Kergon <agk@redhat.com>
Subject: Re: 2.6.17-rc1-mm1
Date: Thu, 13 Apr 2006 01:13:03 -0700	[thread overview]
Message-ID: <20060413011303.668fe5c1.akpm@osdl.org> (raw)
In-Reply-To: <20060413073958.GB9428@osiris.boeblingen.de.ibm.com>

Heiko Carstens <heiko.carstens@de.ibm.com> wrote:
>
> > +md-dm-reduce-stack-usage-with-stacked-block-devices.patch
> >  MD update.
> 
> Any chance to see this merged? I think this one is pending for quite a while.

Last time I broached it with Alasdair (10 Jan) he said

  I can see nothing wrong with this in principle.

  For device-mapper at the moment though it's essential that, while the
  bio mappings may now get delayed, they still get processed in exactly the
  same order as they were passed to generic_make_request().

  My main concern is whether the timing changes implicit in this patch
  will make the rare data-corrupting races in the existing snapshot code
  more likely.  (I'm working on a fix for these races, but the unfinished
  patch is already several hundred lines long.)

  It would be helpful if some people on this mailing list would test this
  patch in various scenarios and report back.


yes, it has been around for rather a while.

  reply	other threads:[~2006-04-13  8:13 UTC|newest]

Thread overview: 65+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-04-04  8:45 2.6.17-rc1-mm1 Andrew Morton
2006-04-04 14:31 ` 2.6.17-rc1-mm1 Kumar Gala
2006-04-04 16:02 ` 2.6.17-mm1: drivers/w1/: patch undoes reasonable cleanups Adrian Bunk
2006-04-04 16:35   ` Evgeniy Polyakov
2006-04-04 16:29 ` 2.6.17-rc1-mm1: KEXEC became SMP-only Adrian Bunk
2006-04-04 17:22   ` Zachary Amsden
2006-04-04 17:50     ` Eric W. Biederman
2006-04-06 22:37     ` Adrian Bunk
2006-04-04 17:43   ` Eric W. Biederman
2006-04-04 17:51     ` Zachary Amsden
2006-04-04 18:43       ` Eric W. Biederman
2006-04-04 19:23         ` Zachary Amsden
2006-04-04 19:38           ` Muli Ben-Yehuda
2006-04-04 20:25           ` Andrew Morton
2006-04-04 22:02             ` Zachary Amsden
2006-04-04 22:19               ` Andrew Morton
2006-04-04 22:34                 ` Zachary Amsden
2006-04-04 22:38                   ` Andrew Morton
2006-04-05  0:21                 ` Martin Bligh
2006-04-05  2:45                   ` Eric W. Biederman
2006-04-04 16:29 ` [-mm patch] i386: pre_intr_init_hook optimization Adrian Bunk
2006-04-04 17:16   ` Zachary Amsden
2006-04-04 16:29 ` 2.6.17-rc1-mm1: why did acpi_ns_build_external_path() become global? Adrian Bunk
2006-04-04 16:30 ` [-mm patch] drivers/media/video/bt866.c: small fixes Adrian Bunk
2006-04-04 18:32   ` Martin Samuelsson
2006-04-05  7:42     ` Andrew Morton
2006-04-05  9:02       ` Adrian Bunk
2006-04-05 13:44       ` Martin Samuelsson
2006-04-05  8:32     ` Johannes Stezenbach
2006-04-05 13:54       ` Martin Samuelsson
2006-04-04 16:30 ` [-mm patch] fs/nfsd/nfs4state.c: make a struct static Adrian Bunk
2006-04-04 16:50   ` [NFS] " J. Bruce Fields
2006-04-04 17:29     ` Adrian Bunk
2006-04-04 20:53 ` 2.6.17-rc1-mm1: mlockall() regression on x86_64 Rafael J. Wysocki
2006-04-04 22:24   ` Andrew Morton
2006-04-04 21:53 ` 2.6.17-rc1-mm1 Zan Lynx
2006-04-04 22:09   ` 2.6.17-rc1-mm1 Andrew Morton
2006-04-05  7:01     ` 2.6.17-rc1-mm1 Roger Luethi
2006-04-05  7:29       ` 2.6.17-rc1-mm1 Andrew Morton
2006-04-05 22:01         ` 2.6.17-rc1-mm1 Roger Luethi
2006-04-04 23:38 ` 2.6.17-rc1-mm1 Luck, Tony
2006-04-05  2:05   ` 2.6.17-rc1-mm1 Zou Nan hai
2006-04-05 16:15     ` 2.6.17-rc1-mm1 Bjorn Helgaas
2006-04-05 21:17       ` 2.6.17-rc1-mm1 Luck, Tony
2006-04-05 21:37         ` 2.6.17-rc1-mm1 Andrew Morton
2006-04-05 21:39         ` 2.6.17-rc1-mm1 Andreas Schwab
2006-04-05 22:01         ` 2.6.17-rc1-mm1 Bjorn Helgaas
2006-04-06  1:49           ` 2.6.17-rc1-mm1 Antonino A. Daplas
2006-04-06 10:21           ` 2.6.17-rc1-mm1 Russell King
2006-04-06 10:34             ` 2.6.17-rc1-mm1 Russell King
2006-04-06 14:55               ` 2.6.17-rc1-mm1 Bjorn Helgaas
2006-04-06 10:16         ` 2.6.17-rc1-mm1 Russell King
2006-04-05  2:27 ` 2.6.17-rc1-mm1, nfsd/reiser4 BUG Zan Lynx
2006-04-07 12:27 ` 2.6.17-rc1-mm1: drivers/acpi/numa.c compile error Adrian Bunk
2006-04-07 20:59   ` Andrew Morton
2006-04-09 15:44     ` Adrian Bunk
2006-04-09 15:57       ` Randy.Dunlap
2006-04-07 20:58 ` 2.6.17-rc1-mm1 - detects buggy TSC on GEODE Jim Cromie
2006-04-08  0:07   ` Andrew Morton
2006-04-08  0:25     ` john stultz
2006-04-08  1:15     ` Jim Cromie
2006-04-13  7:39 ` 2.6.17-rc1-mm1 Heiko Carstens
2006-04-13  8:13   ` Andrew Morton [this message]
2006-04-14 16:07     ` 2.6.17-rc1-mm1 Alasdair G Kergon
2006-04-05 22:50 2.6.17-rc1-mm1 Luck, Tony

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