Re: [f2fs-dev] Proposal: Yet another possible fs-verity interface

2019-02-12 Thread Mimi Zohar
> At that point, the merkle tree thing ends up fairly equivalent to the > > IMA "measurement" thing, with the exception that the filesystem *may* > > optimize it to be long-term. Hmm? > > Well, except that it's just a less efficient way of doing IMA > "measurement" (if the file system doesn't supp

Re: [f2fs-dev] Proposal: Yet another possible fs-verity interface

2019-02-12 Thread Mimi Zohar
Hi Ted, The context for my comments/questions was Linus' suggestions, which you've removed. On Tue, 2019-02-12 at 00:31 -0500, Theodore Y. Ts'o wrote: > On Sun, Feb 10, 2019 at 09:06:55AM -0500, Mimi Zohar wrote: > > For which files will the Merkle tree be created? Is t

Re: [f2fs-dev] Proposal: Yet another possible fs-verity interface

2019-02-10 Thread Mimi Zohar
On Sat, 2019-02-09 at 12:38 -0800, Linus Torvalds wrote: > On Thu, Feb 7, 2019 at 8:10 AM Theodore Y. Ts'o wrote: > > > > After doing a lot of thinking and conferring with the other fs-verity > > developers, our current thinking is to simply move the Merkle tree > > creation into the kernel. The