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authorDylan Yudaken <dylany@meta.com>2022-11-24 01:35:59 -0800
committerJens Axboe <axboe@kernel.dk>2022-11-25 06:10:04 -0700
commit9a6924519e5e882631a7fff429facca838207e45 (patch)
treecffcb0984df749ccfcc3d24666c00d350f7d226d /io_uring
parentb529c96a896b7bea8464a58d350836cc106d70bd (diff)
io_uring: allow multishot polled reqs to defer completion
Until now there was no reason for multishot polled requests to defer completions as there was no functional difference. However now this will actually defer the completions, for a performance win. Signed-off-by: Dylan Yudaken <dylany@meta.com> Link: https://lore.kernel.org/r/20221124093559.3780686-10-dylany@meta.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring')
-rw-r--r--io_uring/io_uring.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 7ed9cbeb573f..72c97af4f292 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -1803,7 +1803,8 @@ int io_poll_issue(struct io_kiocb *req, bool *locked)
io_tw_lock(req->ctx, locked);
if (unlikely(req->task->flags & PF_EXITING))
return -EFAULT;
- return io_issue_sqe(req, IO_URING_F_NONBLOCK|IO_URING_F_MULTISHOT);
+ return io_issue_sqe(req, IO_URING_F_NONBLOCK|IO_URING_F_MULTISHOT|
+ IO_URING_F_COMPLETE_DEFER);
}
struct io_wq_work *io_wq_free_work(struct io_wq_work *work)