On Mon, Jan 16, 2023 at 11:08:38PM +0000, David Howells wrote: > Change the ITER_SOURCE and ITER_DEST direction macros into an enum and > provide three new helper functions: > > iov_iter_dir() - returns the iterator direction > iov_iter_is_dest() - returns true if it's an ITER_DEST iterator > iov_iter_is_source() - returns true if it's an ITER_SOURCE iterator What for? We have two valid values - 1) it is a data source 2) it is not a data source Why do we need to store that as an enum?
