mainline inclusion
from mainline-v5.6-rc1
commit 1d821637
category: bugfix
bugzilla: 51810
CVE: NA

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

When we unhash the cache entry, we need to handle any pending upcalls
by calling cache_fresh_unlocked().
Signed-off-by: NTrond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: NJ. Bruce Fields <bfields@redhat.com>
Signed-off-by: NLu Wei <luwei32@huawei.com>
Reviewed-by: NYue Haibing <yuehaibing@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>