linux-kernel - Re: [PATCH v2 0/3] symlink length caching

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Message-ID: <20241119175355.GB3484088@mit.edu>
Date: Tue, 19 Nov 2024 09:53:55 -0800
From: "Theodore Ts'o" <tytso@....edu>
To: Mateusz Guzik <mjguzik@...il.com>
Cc: brauner@...nel.org, viro@...iv.linux.org.uk, jack@...e.cz,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        hughd@...gle.com, linux-ext4@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH v2 0/3] symlink length caching

On Tue, Nov 19, 2024 at 10:45:52AM +0100, Mateusz Guzik wrote:
> 
> On my v1 Jan remarked 1.5% is not a particularly high win questioning
> whether doing this makes sense. I noted the value is only this small
> because of other slowdowns.

Do you have a workload in mind which calls readlink() at sufficiently
high numbers such that this would be noticeable in
non-micro-benchmarks?  What motiviated you to do this work?

Thanks,

					- Ted