linux-ext4 - Re: Far too long mount time

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Message-ID: <CAAnFQG__2EzkTSki7VqqOKKQhQOej71_cOeJHyqu2PX6KMn0Vw@mail.gmail.com>
Date:	Thu, 16 Aug 2012 11:53:15 +0200
From:	Javier Marcet <jmarcet@...il.com>
To:	Andreas Dilger <adilger@...ger.ca>
Cc:	Linux Ext4 Mailing List <linux-ext4@...r.kernel.org>
Subject: Re: Far too long mount time

On Thu, Aug 16, 2012 at 11:09 AM, Andreas Dilger <adilger@...ger.ca> wrote:

> It is a bit strange that _mounting_ uses 92% CPU.  Hmm, there was a bug
> reported for 3.5.1, see "Re: Upgraded from 3.4 to 3.5.1 kernel: machine
> does not boot", and reverting the patch with git commit hash
> "8aeb00ff85ad25453765dd339b408c0087db1527" resolved the problem.  This
> slowdown was only seen with larger devices.

Thanks a lot Andreas, that commit was the cause. Reverting it:

$ time mount /mnt/raid
0.00s user 0.03s system 5% cpu 0.511 total


-- 
Javier Marcet <jmarcet@...il.com>
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