From 255180f7034f48aa5b0c8df70228307394bddbb9 Mon Sep 17 00:00:00 2001 From: Clément Léger Date: Tue, 19 May 2026 12:44:33 +0100 Subject: io_uring/zcrx: notify user on frag copy fallback MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add a ZCRX_NOTIF_COPY notification type to signal userspace when a received fragment could not be delivered using zero-copy and was instead copied into a buffer. Signed-off-by: Clément Léger Signed-off-by: Pavel Begunkov Link: https://patch.msgid.link/3d54bcd8bf10b3a1e88beb0cd39c40c3937bea4f.1779189667.git.asml.silence@gmail.com Signed-off-by: Jens Axboe --- include/uapi/linux/io_uring/zcrx.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/uapi/linux') diff --git a/include/uapi/linux/io_uring/zcrx.h b/include/uapi/linux/io_uring/zcrx.h index 67185566ad3c..3f7b72b09878 100644 --- a/include/uapi/linux/io_uring/zcrx.h +++ b/include/uapi/linux/io_uring/zcrx.h @@ -70,6 +70,7 @@ enum zcrx_features { enum zcrx_notification_type { ZCRX_NOTIF_NO_BUFFERS, + ZCRX_NOTIF_COPY, __ZCRX_NOTIF_TYPE_LAST, }; -- cgit v1.2.3