linux-ext4 - persistent preallocation

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Date:	Tue, 3 Aug 2010 12:58:21 +0200 (CEST)
From:	Bo Brantén <bosse@....umu.se>
To:	linux-ext4@...r.kernel.org
Subject: persistent preallocation

Hello,

I have a question on the implementation of persistent preallocation, the 
reason to not return the disk block is because it can contain old data but 
I wonder if an implementation has to return zeros instead or if it could 
return any garbage as long as it is not _that_ garbage?

Bo Branten

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