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Re: [PATCH] xfs: Do background CIL flushes via a workqueue

To: Vivek Goyal <vgoyal@xxxxxxxxxx>
Subject: Re: [PATCH] xfs: Do background CIL flushes via a workqueue
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Tue, 27 Mar 2012 13:03:09 -0400
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>, Dave Chinner <david@xxxxxxxxxxxxx>, xfs@xxxxxxxxxxx
In-reply-to: <20120327161941.GC28707@xxxxxxxxxx>
References: <1332841605-3538-1-git-send-email-david@xxxxxxxxxxxxx> <20120327143127.GA11434@xxxxxxxxxxxxx> <20120327155759.GB28707@xxxxxxxxxx> <20120327160300.GA22555@xxxxxxxxxxxxx> <20120327161941.GC28707@xxxxxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
On Tue, Mar 27, 2012 at 12:19:41PM -0400, Vivek Goyal wrote:
> So xfs either need to resort to similar optimizaiton where IO type from
> both the process context is of same type or try to do all the IO from
> one process context. 

All XFS log I/O is marked SYNC and (FUA and/or FLUSH).

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