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

From: Linus Torvalds
Date: Fri Oct 25 2013 - 05:32:22 EST

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.

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