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Re: [PATCH 0/2] xfs: regression fixes for 3.5-rc7

To: Dave Chinner <david@xxxxxxxxxxxxx>
Subject: Re: [PATCH 0/2] xfs: regression fixes for 3.5-rc7
From: Ben Myers <bpm@xxxxxxx>
Date: Wed, 11 Jul 2012 17:48:22 -0500
Cc: xfs@xxxxxxxxxxx
In-reply-to: <1342042843-1773-1-git-send-email-david@xxxxxxxxxxxxx>
References: <1342042843-1773-1-git-send-email-david@xxxxxxxxxxxxx>
User-agent: Mutt/1.5.20 (2009-06-14)
Hey Dave,

On Thu, Jul 12, 2012 at 07:40:41AM +1000, Dave Chinner wrote:
> These two patches need to go to Linus before 3.5 is released. The
> first fixes the btree cursor leak properly, and the second fixes a
> significant performance regression reported by Mel Gorman. Can you
> review them and send them onwards to Linus?

I have some test exposure on the first one, but not on the second.  I'd rather
have a known performance regression in 3.5 than start popping stacks again this
late toward the end of the rc cycle.  I suggest that #2 go in for the 3.6 merge
window and back to 3.5 via -stable.  Any other opinions?

I'll feel better about if after some testing, so I'll get tests running asap.
What testing have you and Mel done?

IMO we should also consider "xfs: prevent recursion in xfs_buf_iorequest", from


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