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| author | Pavel Begunkov <asml.silence@gmail.com> | 2021-12-16 01:08:47 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-12-28 20:51:15 +0300 |
| commit | ab1dab960b8352cee082db0f8a54dc92a948bfd7 (patch) | |
| tree | 1edc9c9686134d787a93d3b925d5c6095baf5049 /fs/io_uring.c | |
| parent | 5641897a5e8fb8abeb07e89c71a788d3db3ec75e (diff) | |
| download | linux-ab1dab960b8352cee082db0f8a54dc92a948bfd7.tar.xz | |
io_uring: kill poll linking optimisation
With IORING_FEAT_FAST_POLL in place, io_put_req_find_next() for poll
requests doesn't make much sense, and in any case re-adding it
shouldn't be a problem considering batching in tctx_task_work(). We can
remove it.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/15699682bf81610ec901d4e79d6da64baa9f70be.1639605189.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/io_uring.c')
| -rw-r--r-- | fs/io_uring.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index 8cabe4a0d38f..0215813e9f89 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -5485,7 +5485,6 @@ static bool __io_poll_complete(struct io_kiocb *req, __poll_t mask) static void io_poll_task_func(struct io_kiocb *req, bool *locked) { struct io_ring_ctx *ctx = req->ctx; - struct io_kiocb *nxt; if (io_poll_rewait(req, &req->poll)) { spin_unlock(&ctx->completion_lock); @@ -5509,11 +5508,8 @@ static void io_poll_task_func(struct io_kiocb *req, bool *locked) spin_unlock(&ctx->completion_lock); io_cqring_ev_posted(ctx); - if (done) { - nxt = io_put_req_find_next(req); - if (nxt) - io_req_task_submit(nxt, locked); - } + if (done) + io_put_req(req); } } |