NFSv4.1: Pin the inode and super block in asynchronous layoutreturns

If we're sending an asynchronous layoutreturn, then we need to ensure
that the inode and the super block remain pinned.

Cc: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Reviewed-by: Peng Tao <tao.peng@primarydata.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index bb0d56f737e0..38d96ba935c2 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -310,6 +310,7 @@ struct nfs4_layoutreturn {
         struct nfs4_layoutreturn_res res;
         struct rpc_cred *cred;
         struct nfs_client *clp;
+        struct inode *inode;
         int rpc_status;
 };