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Re: [PATCH] xfs: serialize iclog write of xlog_cil_push

To: Mark Tinguely <tinguely@xxxxxxx>
Subject: Re: [PATCH] xfs: serialize iclog write of xlog_cil_push
From: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Sun, 6 Jan 2013 11:20:31 +1100
Cc: xfs@xxxxxxxxxxx
In-reply-to: <20130106000834.GM3120@dastard>
References: <20130105213420.307598929@xxxxxxx> <20130106000834.GM3120@dastard>
User-agent: Mutt/1.5.21 (2010-09-15)
On Sun, Jan 06, 2013 at 11:08:34AM +1100, Dave Chinner wrote:
> On Sat, Jan 05, 2013 at 02:34:15PM -0600, Mark Tinguely wrote:
> > The back-end of xlog_cil_push() allows multiple push sequences 
> > to write to the xlog at the same time.
> 
> It does this by design, and has since day zero.

FWIW, I meant to say that the XFS log has done this since day zero
(i.e. interleaved concurrent commits since 1994), not imply that
it's a new feature of delayed logging....

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx

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