tree 3379cba8f9bee90922f64f53a1978deaeb674969
parent ade04647dd56881e285983af3db702d56ee97e86
author Trond Myklebust <trond.myklebust@primarydata.com> 1424962654 -0500
committer Trond Myklebust <trond.myklebust@primarydata.com> 1425337754 -0500

NFSv4: Pin the superblock while we're returning the delegation

This patch ensures that the superblock doesn't go ahead and disappear
underneath us while the state manager thread is returning delegations.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>