Re: Turn off readahead completely
From: Matthew Wilcox <willy@infradead.org>
Date: 2021-10-21 13:29:39
On Thu, Oct 21, 2021 at 01:16:46PM +0000, Azat.Nurgaliev@dlr.de wrote:
Hello everyone, I need to turn readahead off completely in order to do my experiments. Is there any way to turn it off completely? Setting /sys/block/<dev>/queue/read_ahead_kb to 0 causes readahead to become 4kb.
That's entirely intentional. What experiment are you actually trying to perform?