[mauelshagen at redhat.com: Re: [PATCH] 0/4: Add the ability to splice a list into another list]

Heinz Mauelshagen mauelshagen at redhat.com
Tue Jun 6 08:53:37 UTC 2006

----- Forwarded message from Heinz Mauelshagen <mauelshagen at redhat.com> -----

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Date: Tue, 6 Jun 2006 10:51:26 +0200
From: Heinz Mauelshagen <mauelshagen at redhat.com>
To: "Darrick J. Wong" <djwong at us.ibm.com>
Cc: "ATARAID (eg, Promise Fasttrak, Highpoint 370) related discussions" <ataraid-list at redhat.com>,
   Heinz Mauelshagen <mauelshagen at redhat.com>,
   Chris McDermott <lcm at us.ibm.com>
Subject: Re: [PATCH] 0/4: Add the ability to splice a list into another list
Reply-To: mauelshagen at redhat.com
In-Reply-To: <447F847F.6040002 at us.ibm.com>
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that's what the t_group type is for.
Is there a reason, why you couldn't use that as already down
for Intel Software RAID (isw.[ch]) and designed for other flavours
such as DDF ?


On Thu, Jun 01, 2006 at 05:21:19PM -0700, Darrick J. Wong wrote:
> Hi all,
> These are preliminary patches to modify dmraid so that we can have
> multiple raid_dev structures per physical device.  The DDF1
> specification allows for a disk to participate in multiple RAID arrays,
> which is what is gained from these patches.  They've been tested against
> + dmraid45 on Ubuntu 6.06, and seem to be pretty stable.  At
> this stage, I'm looking for comments about the code because it touches
> core dmraid code and could (but shouldn't) break support for hardware
> that I don't have.
> This first patch is a simple one that adds an operation to splice a
> headless doubly-linked list into an existing headed list.  The headless
> lists are created in the second patch.
> --D
> Signed-off-by: Darrick J. Wong <djwong at us.ibm.com>


Heinz Mauelshagen                                 Red Hat GmbH
Consulting Development Engineer                   Am Sonnenhang 11
Storage Development                               56242 Marienrachdorf
Mauelshagen at RedHat.com                            PHONE +49  171 7803392
                                                  FAX   +49 2626 924446

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