tree ffc11a2d244217df5cacd449b5ee95b1356a54eb
parent 93b7f7ad2018d2037559b1d0892417864c78b371
author Anna Schumaker <Anna.Schumaker@Netapp.com> 1528983557 -0400
committer Trond Myklebust <trond.myklebust@hammerspace.com> 1528999538 -0400

NFS: Fix an rcu deadlock in nfs_delegation_find_inode()

I was able to reproduce this pretty regularily using xfstests
generic/013 on NFS v4.0.

Reported-by: Ross Zwisler <Ross.Zwisler@linux.intel.com>
Fixes: 6c342655022d (NFSv4: Return NFS4ERR_DELAY when a delegation recall fails due to igrab())
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>