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0efc331d78
I'll need a flag in the registered buffer struct for dmabuf work, and it'll be more convenient to have a flags field rather than bit fields, especially for io_mapped_ubuf initialisation. We might want to add more flags in the future as well. For example, it might be useful for debugging and potentially optimisations to split out a flag indicating the shape of the buffer to gate iov_iter_advance() walks vs bit/mask arithmetics. It can also be combined with the direction mask field. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
155 lines
4.4 KiB
155 lines
4.4 KiB