Messages in this thread | | | Date | Mon, 21 Mar 2016 08:39:38 -0700 | From | Christoph Hellwig <> | Subject | Re: [PATCH] f2fs: support access control via key management |
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On Tue, Mar 15, 2016 at 09:37:25AM -0700, Jaegeuk Kim wrote: > I agree that I must follow FS convention here. > But, in order to make this clear out, could you please elaborate why this is not > allowed? > > I wrote this patch totally based on per-file encryption in which users cannot > access their files if they have no right key. > The only difference is that this controls user access with a key only, neither > encrypting file data nor dentries. > > This was initiated by UX in android letting nobody be able to access the files > that owner wants to protect by passcode or fingerprint. > > Does it make no sense to support this by filesystems?
I don't think it does. But if you want to argue for it you should
a) support it in the VFS b) document the exact semantics c) ensure linux-man and linux-api are on the Cc list.
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