NFS: Count the bytes of skipped subrequests in nfs_lock_and_join_requests()

If we skip a subrequest due to a zero refcount, we should still count
the byte range that it covered so that we accurately reconstruct the
original request size.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Trond Myklebust 2017-09-09 16:43:09 -04:00
commit 1bd5d6d08e