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| author | Pavel Begunkov <asml.silence@gmail.com> | 2022-07-12 21:52:43 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-07-24 18:41:07 -0600 |
| commit | 06a5464be84e4ae48394d34441baf34bf9706827 (patch) | |
| tree | 97726fb3e90715c2a4077834806f712a20826790 /io_uring/net.h | |
| parent | bc24d6bd32df0be19df3d30e74be4ba56493c0e2 (diff) | |
| download | lwn-06a5464be84e4ae48394d34441baf34bf9706827.tar.gz lwn-06a5464be84e4ae48394d34441baf34bf9706827.zip | |
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.h | 3 |
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) |