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io_uring: don't duplicate flushing in io_req_post_cqe

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[ Upstream commit 5e16f1a68d28965c12b6fa227a306fef8a680f84 ]

io_req_post_cqe() sets submit_state.cq_flush so that
*flush_completions() can take care of batch commiting CQEs. Don't commit
it twice by using __io_cq_unlock_post().

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/41c416660c509cee676b6cad96081274bcb459f3.1745493861.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Pavel Begunkov
2025-04-24 12:28:39 +01:00
committed by Greg Kroah-Hartman
parent 64f505b08e
commit 218c838d03
1 changed files with 8 additions and 3 deletions
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11
io_uring/io_uring.c
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@@ -874,10 +874,15 @@ bool io_req_post_cqe(struct io_kiocb *req, s32 res, u32 cflags)
lockdep_assert(!io_wq_current_is_worker());
lockdep_assert_held(&ctx->uring_lock);
__io_cq_lock(ctx);
posted = io_fill_cqe_aux(ctx, req->cqe.user_data, res, cflags);
if (!ctx->lockless_cq) {
spin_lock(&ctx->completion_lock);
posted = io_fill_cqe_aux(ctx, req->cqe.user_data, res, cflags);
spin_unlock(&ctx->completion_lock);
} else {
posted = io_fill_cqe_aux(ctx, req->cqe.user_data, res, cflags);
}
ctx->submit_state.cq_flush = true;
__io_cq_unlock_post(ctx);
return posted;
}