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Re: noatime,nodiratime?

To: Stan Hoeppner <stan@xxxxxxxxxxxxxxxxx>
Subject: Re: noatime,nodiratime?
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Wed, 19 May 2010 14:24:34 -0400
Cc: xfs@xxxxxxxxxxx
In-reply-to: <4BF42725.8060903@xxxxxxxxxxxxxxxxx>
References: <4BF3F212.5030600@xxxxxxxxxxxxxxxxx> <87mxvveqyq.fsf@xxxxxxxxxxxxxxxxxx> <4BF42725.8060903@xxxxxxxxxxxxxxxxx>
User-agent: Mutt/1.5.19 (2009-01-05)
On Wed, May 19, 2010 at 01:00:05PM -0500, Stan Hoeppner wrote:
> Yes, the defaults for each parameter are in your mount man page.
> logbsize=256K is higher than the default, which is 32K for any system with
> over 32MB RAM.  logbufs=8 will be the default if your blocksize is 64K.  If
> your blocksize is 4K you'll get logbufs=2 by default.  This is all in the
> XFS section of man mount.

But it's not actually true anymore for a long time.  XFS is always using
8 32k log buffers these days.  I'll prepare an update for the mount man
page to correct this.

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