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io_uring: only flush workqueues on fileset removal 

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);
}