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

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Tyler,

Am 03.08.2015 um 07:27 schrieb Tyler Hicks:
>> So ecryptfs definitely supports mounting the same lower path multiple times?
>> What is the benefit of that behavior?
> 
> No, it doesn't support that in a way that provides consistency among all
> of the eCryptfs mounts.

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.

> However, multiple mounts on the same lower path is not the cause of this
> bug. The real issue is a stale dcache entry when the lower filesystem
> has been modified without eCryptfs' knowing. I can trigger the same
> warnings with only a single eCryptfs mount.

Interesting, that renders the whole issue into a user triggerable kernel
bug. :-(

Thanks,
//richard
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