linux-kernel - Re: [PATCH] fs/namei: waiting for mutex during name lookups is "killable"

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Message-ID: <20111128121936.GR4387@parisc-linux.org>
Date:	Mon, 28 Nov 2011 05:19:37 -0700
From:	Matthew Wilcox <matthew@....cx>
To:	Max Kellermann <mk@...all.com>
Cc:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] fs/namei: waiting for mutex during name lookups is
	"killable"

On Mon, Nov 28, 2011 at 12:39:18PM +0100, Max Kellermann wrote:
> Use mutex_lock_killable() instead of mutex_lock() during name lookups,
> to allow killing the process while it's waiting.

This is cool.  Could you describe what situations this mutex gets held
for a user-noticable length of time, and how you tested this patch?

-- 
Matthew Wilcox				Intel Open Source Technology Centre
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours.  We can't possibly take such
a retrograde step."
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