[BIG RFC] Filesystem-based checkpoint

Dave Hansen dave at linux.vnet.ibm.com
Thu Oct 30 12:39:17 PDT 2008


On Thu, 2008-10-30 at 14:28 -0500, Serge E. Hallyn wrote:
> Now maybe eventually he's going to propose something more esotaric where
> doing the mount() actually starts the checkpoint (that's where I figured
> he'd be heading), but I think it would still be one action on the part
> of userspace telling the kernel "do a checkpoint".
> 
> (Or am I wrong on that, Dave?)

I don't really care how it is initiated.  If a checkpoint was initiated
by sys_mount() with special mount options, I don't see a real
distinction between that and sys_checkpoint().  Or, a special ioctl() on
a special device file for that matter.  How we initiate it isn't
important to me.

-- Dave



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