From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH 2/2] xfs: Call filemap_flush_range() for async
 xfs_flush_pages() call
Date: Wed, 3 Aug 2011 18:03:44 -0400
Message-ID: <20110803220344.GA9435@infradead.org>
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To: Jan Kara <jack@suse.cz>
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On Wed, Aug 03, 2011 at 10:49:05PM +0200, Jan Kara wrote:
> XFS does its own data writeout from several places using xfs_flush_pages().
> When this writeout is racing with flusher thread writing the same inode the
> performance gets bad because flusher thread submits writes as normal WRITE
> commands while xfs_flush_pages() submits them as WRITE_SYNC (as it uses

Oh, I think you really want commit

	xfs: improve sync behaviour in the face of aggressive dirtying

for your vendor tree.