Re: Disabling in-memory write cache for x86-64 in Linux II

From: Pavel Machek
Date: Sat Oct 26 2013 - 07:32:46 EST

On Fri 2013-10-25 10:32:16, Linus Torvalds wrote:
> On Fri, Oct 25, 2013 at 10:29 AM, Andrew Morton
> <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
> >
> > Apparently all this stuff isn't working as desired (and perhaps as designed)
> > in this case. Will take a look after a return to normalcy ;)
> It definitely doesn't work. I can trivially reproduce problems by just
> having a cheap (==slow) USB key with an ext3 filesystem, and going a
> git clone to it. The end result is not pretty, and that's actually not
> even a huge amount of data.

Hmm, I'd expect the result to be "dead USB key". Putting
ext3 on cheap flash device normally just kills the devic :-(.

(cesky, pictures)
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