On 26.01.23 22:54, Al Viro wrote:
On Thu, Jan 26, 2023 at 02:16:19PM +0000, David Howells wrote:
+typedef unsigned int iov_iter_extraction_t;
+/* Flags for iov_iter_get/extract_pages*() */
+/* Allow P2PDMA on the extracted pages */
+#define ITER_ALLOW_P2PDMA ((__force iov_iter_extraction_t)0x01)
That __force makes sense only if you make it a bitwise type -
otherwise it's meaningless. IOW, either turn the typedef into
typedef unsigned int __bitwise iov_iter_extraction_t;
or lose __force in the cast...
Well spotted, iov_iter_extraction_t is missing __bitwise.
--
Thanks,
David / dhildenb