NFS: Don't unlock writebacks before declaring PG_WB_END

We don't want nfs_lock_and_join_requests() to start fiddling with
the request before the call to nfs_page_group_sync_on_bit().

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Trond Myklebust 2017-07-18 19:18:49 -04:00
commit 31a01f093e