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Re: [PATCH v3] xfs: add FITRIM support

To: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Subject: Re: [PATCH v3] xfs: add FITRIM support
From: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Mon, 10 Jan 2011 11:20:11 +1100
Cc: xfs@xxxxxxxxxxx
In-reply-to: <20110107130204.GA12134@xxxxxxxxxxxxx>
References: <20110107130204.GA12134@xxxxxxxxxxxxx>
User-agent: Mutt/1.5.20 (2009-06-14)
On Fri, Jan 07, 2011 at 08:02:04AM -0500, Christoph Hellwig wrote:
> Allow manual discards from userspace using the FITRIM ioctl.  This is not
> intended to be run during normal workloads, as the freepsace btree walks
> can cause large performance degradation.
> 
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Looks good.

Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>

-- 
Dave Chinner
david@xxxxxxxxxxxxx

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