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From: Christoph Hellwig <hch@infradead.org>
To: Alex Elder <aelder@sgi.com>
Cc: Christoph Hellwig <hch@infradead.org>, xfs@oss.sgi.com
Subject: Re: [PATCH 1/3] xfs: flag all buffers as metadata
Date: Tue, 26 Jul 2011 18:40:16 -0400	[thread overview]
Message-ID: <20110726224016.GA10394@infradead.org> (raw)
In-Reply-To: <1311719935.11557.12.camel@doink>

On Tue, Jul 26, 2011 at 05:38:55PM -0500, Alex Elder wrote:
> On Tue, 2011-07-26 at 11:06 -0400, Christoph Hellwig wrote: 
> > Now that REQ_META bios aren't treated specially in the CFQ I/O schedule
> > anymore, we can tag all buffers as metadata to make blktrace traces more
> > meaningful.  Note that we use buffers also to zero out partial blocks
> > in the preallocation / hole punching code, and while they operate on
> > data blocks the zeros written certainly aren't data.  I think this case
> > is borderline metadata enough to not bother special casing it.
> > 
> > Signed-off-by: Christoph Hellwig <hch@lst.de>
> 
> This looks good.  I plan to re-base the xfs master branch
> after 3.1-rc1 is out, so I'll wait until after that to
> commit this (and the others in this series).

I'd prefer to get it out to Linus ASAP after some review.  Just
committing it to for-linus for now and later rebasing master on top
should do fine for that.

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  reply	other threads:[~2011-07-26 22:40 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20110726150633.GA17400@infradead.org>
2011-07-26 15:06 ` [PATCH 1/3] xfs: flag all buffers as metadata Christoph Hellwig
2011-07-26 22:38   ` Alex Elder
2011-07-26 22:40     ` Christoph Hellwig [this message]
2011-07-26 22:41       ` Alex Elder
2011-07-26 15:07 ` [PATCH 2/3] xfs: prevent against ioend livelocks in xfs_file_fsync Christoph Hellwig
2011-07-26 22:39   ` Alex Elder
2011-07-26 15:07 ` [PATCH 3/3] xfs: optimize the negative xattr caching Christoph Hellwig
2011-07-26 22:39   ` Alex Elder

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