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SubjectRe: [CFT][PATCH] long-living cache for block devices


On Fri, 9 Nov 2001, Linus Torvalds wrote:

>
> On Fri, 9 Nov 2001, Alexander Viro wrote:
> >
> > Logics looks so: upon the final close() we finish all pending
> > IO and destroy all buffer_heads for device.
>
> Why do yu care about destroying buffer-heads?
>
> You might as well leave them active, I don't see what you win from trying
> to get rid of them aggressively. They'll go away when the pages go away..

The simplest way to make sure that all IO is over (including readaheads).

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