[PATCH 0/6] Relink unlinked files for checkpoint/restart support

Oren Laadan orenl at cs.columbia.edu
Mon Nov 1 09:38:23 PDT 2010


Matt,

This is v2, right ?
If so, is there a changelog ?

Oren.

On 09/23/2010 05:53 PM, Matt Helsley wrote:
> This series enables the relinking of unlinked files for the purpose of
> enabling checkpoint/restart of tasks with open unlinked files. It
> relies on Namhyung Kim's sys-wrapper patches to provide unlink and
> rmdir calls for sys_restart.
> 
> There are two patches with long descriptions. Patch 3 describes
> what we want from the VFS -- relinking support -- and uses ext3/4 as an
> example of what kinds of changes that entails. Patch 5 then details
> how we intend to use relinking during checkpoint to enable restart
> of tasks that have unlinked files open.
> 
> Applies to Oren's ckpt-v22-dev branch. I chose Oren's tree because
> I assume people want to see code showing how relinking will be used.
> If this is wrong I'll be happy to respin these patches against a
> more recent branch of mainline.
> 
> Cheers,
> 	-Matt Helsley
> 
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