nfs41: check if session exists and if it is persistent
Signed-off-by: Alexandros Batsakis <batsakis@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 7b890ba..7466d24 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -30,6 +30,15 @@
return 0;
}
+static inline int nfs4_has_persistent_session(const struct nfs_client *clp)
+{
+#ifdef CONFIG_NFS_V4_1
+ if (nfs4_has_session(clp))
+ return (clp->cl_session->flags & SESSION4_PERSIST);
+#endif /* CONFIG_NFS_V4_1 */
+ return 0;
+}
+
struct nfs_clone_mount {
const struct super_block *sb;
const struct dentry *dentry;