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| author |  Pavel Begunkov <asml.silence@gmail.com>
| 2023-08-24 23:53:28 +0100 |
|---|---|---|
| committer |  Jens Axboe <axboe@kernel.dk>
| 2023-08-24 17:16:19 -0600 |
| commit | 54927baf6c195fb512ac38b26a041ca44edb2e29 (patch) | |
| tree | 307d65ad73c558573ccc084c71dcb60e8c2d269d /io_uring/rw.c | |
| parent | io_uring: optimise extra io_get_cqe null check (diff) | |
| download | linux-54927baf6c195fb512ac38b26a041ca44edb2e29.tar.gz linux-54927baf6c195fb512ac38b26a041ca44edb2e29.tar.bz2 linux-54927baf6c195fb512ac38b26a041ca44edb2e29.zip | |
io_uring: reorder cqring_flush and wakeups
Unlike in the past, io_commit_cqring_flush() doesn't do anything that
may need io_cqring_wake() to be issued after, all requests it completes
will go via task_work. Do io_commit_cqring_flush() after
io_cqring_wake() to clean up __io_cq_unlock_post().
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/ed32dcfeec47e6c97bd6b18c152ddce5b218403f.1692916914.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/rw.c')
| -rw-r--r-- | io_uring/rw.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/io_uring/rw.c b/io_uring/rw.c index 9b51afdae505..20140d3505f1 100644 --- a/io_uring/rw.c +++ b/io_uring/rw.c @@ -985,9 +985,9 @@ copy_iov: static void io_cqring_ev_posted_iopoll(struct io_ring_ctx *ctx) { - io_commit_cqring_flush(ctx); if (ctx->flags & IORING_SETUP_SQPOLL) io_cqring_wake(ctx); + io_commit_cqring_flush(ctx); } void io_rw_fail(struct io_kiocb *req) |