Messages in this thread | | | Date | Wed, 3 Feb 2021 11:31:28 -0500 | From | "Theodore Ts'o" <> | Subject | Re: [PATCH 1/2] ext4: Handle casefolding with encryption |
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On Wed, Feb 03, 2021 at 03:55:06AM -0700, Andreas Dilger wrote: > > It looks like this change will break the dirdata feature, which is similarly > storing a data field beyond the end of the dirent. However, that feature also > provides for flags stored in the high bits of the type field to indicate > which of the fields are in use there. > The first byte of each field stores > the length, so it can be skipped even if the content is not understood.
Daniel, for context, the dirdata field is an out-of-tree feature which is used by Lustre, and so has fairly large deployed base. So if there is a way that we can accomodate not breaking dirdata, that would be good.
Did the ext4 casefold+encryption implementation escape out to any Android handsets?
Thanks,
- Ted
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