1 files changed, 22 insertions, 0 deletions

diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 035e6fb9f57e..195fe7667529 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -25,6 +25,7 @@
 #include "delegation.h"
 #include "internal.h"
 #include "iostat.h"
+#include "nfs4_fs.h"
 
 #define NFSDBG_FACILITY         NFSDBG_PAGECACHE
 
@@ -1050,7 +1051,23 @@ out:
         nfs_writedata_release(calldata);
 }
 
+#if defined(CONFIG_NFS_V4_1)
+void nfs_write_prepare(struct rpc_task *task, void *calldata)
+{
+        struct nfs_write_data *data = calldata;
+        struct nfs_client *clp = (NFS_SERVER(data->inode))->nfs_client;
+
+        if (nfs4_setup_sequence(clp, &data->args.seq_args,
+                                &data->res.seq_res, 1, task))
+                return;
+        rpc_call_start(task);
+}
+#endif /* CONFIG_NFS_V4_1 */
+
 static const struct rpc_call_ops nfs_write_partial_ops = {
+#if defined(CONFIG_NFS_V4_1)
+        .rpc_call_prepare = nfs_write_prepare,
+#endif /* CONFIG_NFS_V4_1 */
         .rpc_call_done = nfs_writeback_done_partial,
         .rpc_release = nfs_writeback_release_partial,
 };
@@ -1113,6 +1130,9 @@ remove_request:
 }
 
 static const struct rpc_call_ops nfs_write_full_ops = {
+#if defined(CONFIG_NFS_V4_1)
+        .rpc_call_prepare = nfs_write_prepare,
+#endif /* CONFIG_NFS_V4_1 */
         .rpc_call_done = nfs_writeback_done_full,
         .rpc_release = nfs_writeback_release_full,
 };
@@ -1195,6 +1215,8 @@ int nfs_writeback_done(struct rpc_task *task, struct nfs_write_data *data)
                 /* Can't do anything about it except throw an error. */
                 task->tk_status = -EIO;
         }
+        nfs4_sequence_free_slot(NFS_SERVER(data->inode)->nfs_client,
+                                &data->res.seq_res);
         return 0;
 }