io_uring: fix missing set of EPOLLONESHOT for CQ ring overflow
authorHao Xu <haoxu@linux.alibaba.com>
Wed, 22 Sep 2021 10:12:37 +0000 (18:12 +0800)
committerJens Axboe <axboe@kernel.dk>
Fri, 24 Sep 2021 16:24:34 +0000 (10:24 -0600)
commita62682f92eedb41c1cd8290fa875a4b85624fb9a
treed811877c89c57d09ae0df8ed0f92939d559bde74
parentbd99c71bd14072ce2920f6d0c2fe43df072c653c
io_uring: fix missing set of EPOLLONESHOT for CQ ring overflow

We should set EPOLLONESHOT if cqring_fill_event() returns false since
io_poll_add() decides to put req or not by it.

Fixes: 5082620fb2ca ("io_uring: terminate multishot poll for CQ ring overflow")
Signed-off-by: Hao Xu <haoxu@linux.alibaba.com>
Link: https://lore.kernel.org/r/20210922101238.7177-3-haoxu@linux.alibaba.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/io_uring.c