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[PATCH 0/4] fix AIL pushing under heavy concurrent metadata loads

To: xfs@xxxxxxxxxxx
Subject: [PATCH 0/4] fix AIL pushing under heavy concurrent metadata loads
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Thu, 06 Oct 2011 14:32:57 -0400
Cc: Stefan Priebe <s.priebe@xxxxxxxxxxxx>
User-agent: quilt/0.48-1
This series fixes hangs under heavy concurrent metadata workloads.  The
underlying issues seem fairly old but only really started to show when
enabling delaylog and the workqueue based AIL pushed.

A big thanks to Stefan Priebe for reporting the problem, providing a
reproducer and test filesystem image as well as testing the patches
on his system.

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