nfs41: use rpc prepare call state for session reset

[deliverable/linux.git] / fs / nfs / internal.h

diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index f3b310e8ea03588eb2e3d0223380f7caf4971e3c..78508f29c03a061bbdb59e0bcbe659d1e8f6e40c 100644 (file)
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -2,6 +2,7 @@
  * NFS internal definitions
  */
 
+#include "nfs4_fs.h"
 #include <linux/mount.h>
 #include <linux/security.h>
 
@@ -17,6 +18,18 @@ struct nfs_string;
  */
 #define NFS_MAX_READAHEAD      (RPC_DEF_SLOT_TABLE - 1)
 
+/*
+ * Determine if sessions are in use.
+ */
+static inline int nfs4_has_session(const struct nfs_client *clp)
+{
+#ifdef CONFIG_NFS_V4_1
+       if (clp->cl_session)
+               return 1;
+#endif /* CONFIG_NFS_V4_1 */
+       return 0;
+}
+
 struct nfs_clone_mount {
        const struct super_block *sb;
        const struct dentry *dentry;
@@ -148,6 +161,20 @@ extern __be32 * nfs_decode_dirent(__be32 *, struct nfs_entry *, int);
 extern struct rpc_procinfo nfs3_procedures[];
 extern __be32 *nfs3_decode_dirent(__be32 *, struct nfs_entry *, int);
 
+/* nfs4proc.c */
+static inline void nfs4_restart_rpc(struct rpc_task *task,
+                                   const struct nfs_client *clp)
+{
+#ifdef CONFIG_NFS_V4_1
+       if (nfs4_has_session(clp) &&
+           test_bit(NFS4CLNT_SESSION_SETUP, &clp->cl_state)) {
+               rpc_restart_call_prepare(task);
+               return;
+       }
+#endif /* CONFIG_NFS_V4_1 */
+       rpc_restart_call(task);
+}
+
 /* nfs4xdr.c */
 #ifdef CONFIG_NFS_V4
 extern __be32 *nfs4_decode_dirent(__be32 *p, struct nfs_entry *entry, int plus);
@@ -225,18 +252,6 @@ extern int _nfs4_call_sync_session(struct nfs_server *server,
                                   struct nfs4_sequence_res *res,
                                   int cache_reply);
 
-/*
- * Determine if sessions are in use.
- */
-static inline int nfs4_has_session(const struct nfs_client *clp)
-{
-#ifdef CONFIG_NFS_V4_1
-       if (clp->cl_session)
-               return 1;
-#endif /* CONFIG_NFS_V4_1 */
-       return 0;
-}
-
 #ifdef CONFIG_NFS_V4_1
 extern void nfs41_sequence_free_slot(const struct nfs_client *,
                                     struct nfs4_sequence_res *res);