stable inclusion
from stable-4.19.247
commit 6b3fc1496e7227cd6a39a80bbfb7588ef7c7a010
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I5FNPY
CVE: NA

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

[ Upstream commit 69494938 ]

When doing layoutget as part of the open() compound, we have to be
careful to release the layout locks before we can call any further RPC
calls, such as setattr(). The reason is that those calls could trigger
a recall, which could deadlock.
Signed-off-by: NTrond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: NAnna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: NSasha Levin <sashal@kernel.org>
Signed-off-by: NYongqiang Liu <liuyongqiang13@huawei.com>
Signed-off-by: NLaibin Qiu <qiulaibin@huawei.com>