Re: [RFC][PATCH] ecryptfs: Allow only one instance per lower path

[Richard Weinberger]

Tyler,

Am 04.08.2015 um 01:07 schrieb Tyler Hicks:
>> Okay, then I'd argument to give my patch a try although it is not the solution
>> to the problem I've reported. :-)
>> If you don't mind I'll resend with a proper changelog.
> 
> That patch isn't correct since it assumes that all eCryptfs super blocks
> are equal if the lower paths (and, ultimately, the lower inode) are
> equal. However, the lower path is only one of many properties of an
> eCryptfs superblock. For example, the second mount may have been
> configured to use a different file encryption key.

How would this work if I mount /foo using AES to /mnt_a
and /foo again using 3DES to /mnt_b?
Wouldn't both ecrytpfs instances kill each other's files?

Thanks,
//richard
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