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Re: [PATCH] xfs: ensure log covering transactions are synchronous

To: Dave Chinner <david@xxxxxxxxxxxxx>
Subject: Re: [PATCH] xfs: ensure log covering transactions are synchronous
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Tue, 4 Jan 2011 03:21:30 -0500
Cc: xfs@xxxxxxxxxxx
In-reply-to: <1294116569-15052-1-git-send-email-david@xxxxxxxxxxxxx>
References: <1294116569-15052-1-git-send-email-david@xxxxxxxxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
Ok, my fault for asking to avoid stalling xfssyncd.

> Fix this by making the log covering transaction synchronous. To
> avoid additional log force from xfssyncd, make the log covering
> transaction take the place of the existing log force in the xfssyncd
> background sync process.

This also looks correct to me.  We replace a force with a lsn-force, but
given that we just started the transaction those should be equivalent.


Reviewed-by: Christoph Hellwig <hch@xxxxxx>

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