Commit 2840f710 authored by Pavel Begunkov's avatar Pavel Begunkov Committed by Jens Axboe
Browse files

io_uring: fix drain with rsrc CQEs 



Resource emitted CQEs are not bound to requests, so fix up counters used
for DRAIN/defer logic.

Fixes: b60c8dce ("io_uring: preparation for rsrc tagging")
Signed-off-by: default avatarPavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/2b32f5f0a40d5928c3466d028f936e167f0654be.1619536280.git.asml.silence@gmail.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 635de956

fs/io_uring.c

+1 −0
Original line number Diff line number Diff line
@@ -7539,6 +7539,7 @@ static void __io_rsrc_put_work(struct io_rsrc_node *ref_node) 
			io_ring_submit_lock(ctx, lock_ring);

			spin_lock_irqsave(&ctx->completion_lock, flags);

			io_cqring_fill_event(ctx, prsrc->tag, 0, 0);

			ctx->cq_extra++;

			io_commit_cqring(ctx);

			spin_unlock_irqrestore(&ctx->completion_lock, flags);

			io_cqring_ev_posted(ctx);