Re: corruption of active mmapped files in btrfs snapshots

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On Mar 25, 2013, Chris Mason <chris.mason@xxxxxxxxxxxx> wrote:

> This patch changes our compression code to call clear_page_dirty_for_io
> before we compress, and then redirty the pages if the compression fails.

> Alexandre, many thanks for tracking this down into a well defined use
> case. 

Thanks for the patch, it's run flawlessly since I started gradually
rolling it out onto my ceph OSDs on Monday!  Ship it! :-)

-- 
Alexandre Oliva, freedom fighter    http://FSFLA.org/~lxoliva/
You must be the change you wish to see in the world. -- Gandhi
Be Free! -- http://FSFLA.org/   FSF Latin America board member
Free Software Evangelist      Red Hat Brazil Compiler Engineer
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