NFS: Do cleanup before resetting pageio read/write to mds

commit 6f29b9bba7b08c6b1d6f2cc4cf750b342fc1946c upstream.

There is a reference leak of layout segment after resetting
pageio read/write to mds.

Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2 files changed