[PATCH] 0/4: Add the ability to splice a list into another list

Heinz Mauelshagen mauelshagen at redhat.com
Tue Jun 6 08:51:26 UTC 2006


Darrick,

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 (iswc.[ch]) and designed for other flavours
such as DDF ?

Regards,
Heinz

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
> 2.6.16.19 + 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>

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