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[GSOC] Implement file system flags to scrub data blocks before deletion

To: tech-security%NetBSD.org@localhost
Subject: [GSOC] Implement file system flags to scrub data blocks before deletion
From: Stanislav Uzunchev <uzunchev.stanislav%gmail.com@localhost>
Date: Tue, 20 Mar 2012 15:11:02 +0200

Hi, all. I got interested in this project but i am a bit confused. How
do you set a special flag for a data block on any file system without
redesign the filesystem actually. For example, where on ext4 you will
set such flag? I must be getting this wrong, i would be glad if
someone makes it more clear. Regards.

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