diff options
| author | Pavel Begunkov <asml.silence@gmail.com> | 2022-11-04 11:59:46 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-11-21 15:38:31 +0100 |
| commit | 42385b02baad0df55474b7f36dc13e0d4ffd0cc0 (patch) | |
| tree | 4a03a31927cb0927c452e40b2a2d8741d023b1e8 /io_uring/net.c | |
| parent | io_uring: move zc reporting from the hot path (diff) | |
| download | linux-42385b02baad0df55474b7f36dc13e0d4ffd0cc0.tar.xz linux-42385b02baad0df55474b7f36dc13e0d4ffd0cc0.zip | |
io_uring/net: move mm accounting to a slower path
We can also move mm accounting to the extended callbacks. It removes a
few cycles from the hot path including skipping one function call and
setting io_req_task_complete as a callback directly. For user backed I/O
it shouldn't make any difference taking into considering atomic mm
accounting and page pinning.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/1062f270273ad11c1b7b45ec59a6a317533d5e64.1667557923.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/net.c')
| -rw-r--r-- | io_uring/net.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/io_uring/net.c b/io_uring/net.c index 9e3da845f906..966019fcbe8c 100644 --- a/io_uring/net.c +++ b/io_uring/net.c @@ -1097,6 +1097,7 @@ int io_send_zc(struct io_kiocb *req, unsigned int issue_flags) return ret; msg.sg_from_iter = io_sg_from_iter; } else { + io_notif_set_extended(zc->notif); ret = import_single_range(WRITE, zc->buf, zc->len, &iov, &msg.msg_iter); if (unlikely(ret)) @@ -1158,6 +1159,8 @@ int io_sendmsg_zc(struct io_kiocb *req, unsigned int issue_flags) unsigned flags; int ret, min_ret = 0; + io_notif_set_extended(sr->notif); + sock = sock_from_file(req->file); if (unlikely(!sock)) return -ENOTSOCK; |