linux-kernel - Re: Recent kernel "mount" slow

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Message-ID: <20121120180949.GG1408@quack.suse.cz>
Date:	Tue, 20 Nov 2012 19:09:49 +0100
From:	Jan Kara <jack@...e.cz>
To:	Jeff Chua <jeff.chua.linux@...il.com>
Cc:	lkml <linux-kernel@...r.kernel.org>, linux-fsdevel@...r.kernel.org
Subject: Re: Recent kernel "mount" slow

On Mon 19-11-12 08:33:25, Jeff Chua wrote:
> It seems the recent kernel is slower mounting hard disk than older
> kernels. I've not bisect down to exact when this happen as it might
> already been reported or solved. I'm on the latest commit, but it
> doesn't seems to be fixed yet.
> 
> commit 3587b1b097d70c2eb9fee95ea7995d13c05f66e5
> Author: Al Viro <viro@...IV.linux.org.uk>
> Date:   Sun Nov 18 19:19:00 2012 +0000
> 
>     fanotify: fix FAN_Q_OVERFLOW case of fanotify_read()
  I haven't heard about such problem so far. What filesystem are you using?
Can you quantify 'is slower'? Bisecting would be welcome of course.

								Honza
-- 
Jan Kara <jack@...e.cz>
SUSE Labs, CR
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