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io_uring: only flush workqueues on fileset removal

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We should not remove the workqueue, we just need to ensure that the
workqueues are synced. The workqueues are torn down on ctx removal.

Cc: stable@vger.kernel.org
Fixes: 6b06314c47 ("io_uring: add file set registration")
Reported-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2019-10-09 14:40:13 -06:00
parent 6805b32ec2
commit 8a99734081
1 changed files with 5 additions and 1 deletions
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6
fs/io_uring.c
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@ -2866,8 +2866,12 @@ static void io_finish_async(struct io_ring_ctx *ctx)
static void io_destruct_skb(struct sk_buff *skb)
{
struct io_ring_ctx *ctx = skb->sk->sk_user_data;
int i;
for (i = 0; i < ARRAY_SIZE(ctx->sqo_wq); i++)
if (ctx->sqo_wq[i])
flush_workqueue(ctx->sqo_wq[i]);
io_finish_async(ctx);
unix_destruct_scm(skb);
}