3.13.11-ckt19 -stable review patch.  If anyone has any objections, please let 
me know.

------------------

From: Trond Myklebust <trond.mykleb...@primarydata.com>

commit 7c0af9ffb7bb4e5355470fa60b3eb711ddf226fa upstream.

put_rpccred() can sleep.

Fixes: 8f649c3762547 ("NFSv4: Fix the locking in 
nfs_inode_reclaim_delegation()")
Signed-off-by: Trond Myklebust <trond.mykleb...@primarydata.com>
Signed-off-by: Kamal Mostafa <ka...@canonical.com>
---
 fs/nfs/delegation.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index 3ed1be9..2ea3537 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -161,8 +161,8 @@ void nfs_inode_reclaim_delegation(struct inode *inode, 
struct rpc_cred *cred,
                                  &delegation->flags);
                        NFS_I(inode)->delegation_state = delegation->type;
                        spin_unlock(&delegation->lock);
-                       put_rpccred(oldcred);
                        rcu_read_unlock();
+                       put_rpccred(oldcred);
                        trace_nfs4_reclaim_delegation(inode, 
res->delegation_type);
                } else {
                        /* We appear to have raced with a delegation return. */
-- 
1.9.1

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