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SubjectRe: [patch] Adding Secure Deletion to UBIFS
Hi, I will try to get into more details soon, but to keep you busy - the
first thing to start is to introduce new on-flash format version -
because you need more space in 'struct ubifs_branch'

On Thu, 2012-02-09 at 16:24 +0100, Joel Reardon wrote:
> @@ -742,6 +751,7 @@ struct ubifs_branch {
> __le32 lnum;
> __le32 offs;
> __le32 len;
> + __le64 crypto_lookup;
> __u8 key[];
> } __packed;

Could you make a separate patch which adds new on-flash format and make
sure that new ubifs binaries can mount the old formats and work with
them. And that old ubifs binaries gracefully reject the new format.

Best Regards,
Artem Bityutskiy
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