mainline inclusion
from mainline-5.1-rc3
commit d84dd3fb
category: bugfix
bugzilla: 51818
CVE: NA

-------------------------------------------------

If the transport is still connected, then we do want to allow
RPC_SOFTCONN tasks to retry. They should time out if and only if
the connection is broken.
Signed-off-by: NTrond Myklebust <trond.myklebust@hammerspace.com>
Conflicts:
	net/sunrpc/clnt.c
Signed-off-by: NZhang Changzhong <zhangchangzhong@huawei.com>
Reviewed-by: NHou Tao <houtao1@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>