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Re: [PATCH 2/7] - choose single default logbuf count & size

To: Eric Sandeen <sandeen@xxxxxxxxxxx>
Subject: Re: [PATCH 2/7] - choose single default logbuf count & size
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Fri, 20 Jul 2007 08:29:23 +0100
Cc: xfs-oss <xfs@xxxxxxxxxxx>
In-reply-to: <46A03617.3060009@sandeen.net>
References: <46A03617.3060009@sandeen.net>
Sender: xfs-bounce@xxxxxxxxxxx
User-agent: Mutt/1.4.2.3i
On Thu, Jul 19, 2007 at 11:12:07PM -0500, Eric Sandeen wrote:
> Remove sizing of logbuf size & count based on physical memory;
> this was never a very good gauge as it's looking at global
> memory, but deciding on sizing per-filesystem; no account
> is made of the total number of filesystems, for example.
> 
> For now just take the largest "default" case, as was set
> for machines with >400MB - 8 x 32k buffers.  This can
> always be tuned higher or lower with mount options
> if necessary.  Removes one more user of xfs_physmem.

Looks good.


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