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authorPavel Begunkov <asml.silence@gmail.com>2022-07-12 23:52:43 +0300
committerJens Axboe <axboe@kernel.dk>2022-07-25 03:41:07 +0300
commit06a5464be84e4ae48394d34441baf34bf9706827 (patch)
tree97726fb3e90715c2a4077834806f712a20826790 /io_uring/net.h
parentbc24d6bd32df0be19df3d30e74be4ba56493c0e2 (diff)
downloadlinux-06a5464be84e4ae48394d34441baf34bf9706827.tar.xz
io_uring: wire send zc request type
Add a new io_uring opcode IORING_OP_SENDZC. The main distinction from IORING_OP_SEND is that the user should specify a notification slot index in sqe::notification_idx and the buffers are safe to reuse only when the used notification is flushed and completes. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/a80387c6a68ce9cf99b3b6ef6f71068468761fb7.1657643355.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/net.h')
-rw-r--r--io_uring/net.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/io_uring/net.h b/io_uring/net.h
index db20ce9d6546..7c438d39c089 100644
--- a/io_uring/net.h
+++ b/io_uring/net.h
@@ -52,6 +52,9 @@ int io_connect_prep_async(struct io_kiocb *req);
int io_connect_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
int io_connect(struct io_kiocb *req, unsigned int issue_flags);
+int io_sendzc(struct io_kiocb *req, unsigned int issue_flags);
+int io_sendzc_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
+
void io_netmsg_cache_free(struct io_cache_entry *entry);
#else
static inline void io_netmsg_cache_free(struct io_cache_entry *entry)