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SubjectRe: [RFC v11][PATCH 03/13] General infrastructure for checkpoint restart
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On Tue, 2008-12-16 at 14:43 -0800, Mike Waychison wrote:
> Hmm, if I'm understanding you correctly, adding ref counts explicitly
> (like you suggest below) would be used to let a lower layer defer
> writes. Seems like this could be just as easily done with explicits
> kmallocs and transferring ownership of the allocated memory to the
> in-kernel representation handling layer below (which in turn queues the
> data structures for writes).

Yup, that's true. We'd effectively shift the burden of freeing those
buffers into the cr_write() (or whatever we call it) function.

But, I'm just thinking about the sys_checkpoint() side. I need to go
look at the restart code too.

-- Dave



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