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[Bug 543617] Re: Unmount of an fs with dirty cache buffers causes pathological slowdown

To: registry@xxxxxxxxxxxxxxxxxxx
From: Brian Bloniarz <brianbloniarz@xxxxxxxxxxx>
Date: Wed, 19 May 2010 20:50:58 -0000
Reply-to: Bug 543617 <543617@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

The committed workaround for this syncs _all_ filesystems on _any_ umount(), if
I understand it correctly.

This has caused a regression for us; some of our scripts mount a tmpfs and
then umount it. Since that now syncs every filesystem, it can take much
longer than it should.

What is the status of a real fix for this bug? Now that the upstream bug has been
closed (?), will the workaround be going away any time soon.

-- 
Unmount of an fs with dirty cache buffers causes pathological slowdown
https://bugs.launchpad.net/bugs/543617
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