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authorPavel Begunkov <asml.silence@gmail.com>2024-03-19 01:00:28 +0300
committerJens Axboe <axboe@kernel.dk>2024-04-15 17:10:24 +0300
commit6e6b8c62120a22acd8cb759304e4cd2e3215d488 (patch)
tree5c1e6c8754948268a4e318074359847721380459 /io_uring/io_uring.c
parent1afdb76038e27a3a4dd4cf522f6457868051db84 (diff)
downloadlinux-6e6b8c62120a22acd8cb759304e4cd2e3215d488.tar.xz
io_uring/rw: avoid punting to io-wq directly
kiocb_done() should care to specifically redirecting requests to io-wq. Remove the hopping to tw to then queue an io-wq, return -EAGAIN and let the core code io_uring handle offloading. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Tested-by: Ming Lei <ming.lei@redhat.com> Link: https://lore.kernel.org/r/413564e550fe23744a970e1783dfa566291b0e6f.1710799188.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/io_uring.c')
-rw-r--r--io_uring/io_uring.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index d5ac91b5b171..e9da2ad67c2e 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -492,7 +492,7 @@ static void io_prep_async_link(struct io_kiocb *req)
}
}
-void io_queue_iowq(struct io_kiocb *req, struct io_tw_state *ts_dont_use)
+static void io_queue_iowq(struct io_kiocb *req)
{
struct io_kiocb *link = io_prep_linked_timeout(req);
struct io_uring_task *tctx = req->task->io_uring;
@@ -1499,7 +1499,7 @@ void io_req_task_submit(struct io_kiocb *req, struct io_tw_state *ts)
if (unlikely(req->task->flags & PF_EXITING))
io_req_defer_failed(req, -EFAULT);
else if (req->flags & REQ_F_FORCE_ASYNC)
- io_queue_iowq(req, ts);
+ io_queue_iowq(req);
else
io_queue_sqe(req);
}
@@ -2087,7 +2087,7 @@ static void io_queue_async(struct io_kiocb *req, int ret)
break;
case IO_APOLL_ABORTED:
io_kbuf_recycle(req, 0);
- io_queue_iowq(req, NULL);
+ io_queue_iowq(req);
break;
case IO_APOLL_OK:
break;
@@ -2134,7 +2134,7 @@ static void io_queue_sqe_fallback(struct io_kiocb *req)
if (unlikely(req->ctx->drain_active))
io_drain_req(req);
else
- io_queue_iowq(req, NULL);
+ io_queue_iowq(req);
}
}