io_uring: compare cached_cq_tail with cq.head in_io_uring_poll

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After 75b28af("io_uring: allocate the two rings together"), we compare
sq.head with cached_cq_tail to determine does there any cq invalid.
Actually, we should use cq.head.

Fixes: 75b28affdd ("io_uring: allocate the two rings together")
Signed-off-by: yangerkun <yangerkun@huawei.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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yangerkun 2019-09-24 20:53:34 +08:00 • committed by Jens Axboe

parent 32960613b7

commit daa5de5415

1 changed files with 1 additions and 1 deletions

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fs/io_uring.c

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