NFS: Clean up nfs_lock_and_join_requests()

Clean up nfs_lock_and_join_requests() to simplify the calculation
of the range covered by the page group, taking into account the
presence of mirrors.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust 2020-03-30 11:12:16 -04:00
commit a62f8e3bd8
3 changed files with 95 additions and 71 deletions