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

From: Andrew Morton
Date: Fri Oct 25 2013 - 05:28:45 EST

On Fri, 25 Oct 2013 05:18:42 -0400 "Theodore Ts'o" <tytso@xxxxxxx> wrote:

> What I think would make sense is to dynamically measure the speed of
> writeback, so that we can set these limits as a function of the device
> speed.

We attempt to do this now - have a look through struct backing_dev_info.

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 ;)
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