nvme-tcp: fix possible hang waiting for icresp response

[ Upstream commit adc99fd378398f4c58798a1c57889872967d56a6 ]

If the controller died exactly when we are receiving icresp
we hang because icresp may never return. Make sure to set a
high finite limit.

Fixes: 3f2304f8c6 ("nvme-tcp: add NVMe over TCP host driver")
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Sagi Grimberg 2020-07-23 16:42:26 -07:00 committed by Greg Kroah-Hartman
parent 9a1d0084cb
commit 831c904a0f

View File

@ -1319,6 +1319,9 @@ static int nvme_tcp_alloc_queue(struct nvme_ctrl *nctrl,
}
}
/* Set 10 seconds timeout for icresp recvmsg */
queue->sock->sk->sk_rcvtimeo = 10 * HZ;
queue->sock->sk->sk_allocation = GFP_ATOMIC;
if (!qid)
n = 0;