On Thu, Aug 24, 2017 at 04:57:27PM -0400, Theodore Ts'o wrote: > Yeah, agreed, that's the cleaner way of doing that. It does mean > we'll have sweep through all of the file systems so that they DTRT > with this new FAULT_FLAG_ALLOC, though, right? I think the only ones that it matters for for now are the DAX fault handlers. So we can add the new flag, check it in ext2, ext4 and xfs for now and we're done. But if we eventually want to phase out the ->page_mkwrite handler it would be useful for other file systems as well.
