1 files changed, 46 insertions, 24 deletions

diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c
index 92c870d19ccd..ed67567f0556 100644
--- a/fs/nfs/nfs3proc.c
+++ b/fs/nfs/nfs3proc.c
@@ -68,27 +68,39 @@ nfs3_async_handle_jukebox(struct rpc_task *task)
         return 1;
 }
 
-/*
- * Bare-bones access to getattr: this is for nfs_read_super.
- */
 static int
-nfs3_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle,
-                   struct nfs_fsinfo *info)
+do_proc_get_root(struct rpc_clnt *client, struct nfs_fh *fhandle,
+                 struct nfs_fsinfo *info)
 {
         int     status;
 
         dprintk("%s: call  fsinfo\n", __FUNCTION__);
         nfs_fattr_init(info->fattr);
-        status = rpc_call(server->client_sys, NFS3PROC_FSINFO, fhandle, info, 0);
+        status = rpc_call(client, NFS3PROC_FSINFO, fhandle, info, 0);
         dprintk("%s: reply fsinfo: %d\n", __FUNCTION__, status);
         if (!(info->fattr->valid & NFS_ATTR_FATTR)) {
-                status = rpc_call(server->client_sys, NFS3PROC_GETATTR, fhandle, info->fattr, 0);
+                status = rpc_call(client, NFS3PROC_GETATTR, fhandle, info->fattr, 0);
                 dprintk("%s: reply getattr: %d\n", __FUNCTION__, status);
         }
         return status;
 }
 
 /*
+ * Bare-bones access to getattr: this is for nfs_read_super.
+ */
+static int
+nfs3_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle,
+                   struct nfs_fsinfo *info)
+{
+        int     status;
+
+        status = do_proc_get_root(server->client, fhandle, info);
+        if (status && server->client_sys != server->client)
+                status = do_proc_get_root(server->client_sys, fhandle, info);
+        return status;
+}
+
+/*
  * One function for each procedure in the NFS protocol.
  */
 static int
@@ -732,19 +744,23 @@ nfs3_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle,
 
 extern u32 *nfs3_decode_dirent(u32 *, struct nfs_entry *, int);
 
-static void
-nfs3_read_done(struct rpc_task *task)
+static void nfs3_read_done(struct rpc_task *task, void *calldata)
 {
-        struct nfs_read_data *data = (struct nfs_read_data *) task->tk_calldata;
+        struct nfs_read_data *data = calldata;
 
         if (nfs3_async_handle_jukebox(task))
                 return;
         /* Call back common NFS readpage processing */
         if (task->tk_status >= 0)
                 nfs_refresh_inode(data->inode, &data->fattr);
-        nfs_readpage_result(task);
+        nfs_readpage_result(task, calldata);
 }
 
+static const struct rpc_call_ops nfs3_read_ops = {
+        .rpc_call_done = nfs3_read_done,
+        .rpc_release = nfs_readdata_release,
+};
+
 static void
 nfs3_proc_read_setup(struct nfs_read_data *data)
 {
@@ -762,23 +778,26 @@ nfs3_proc_read_setup(struct nfs_read_data *data)
         flags = RPC_TASK_ASYNC | (IS_SWAPFILE(inode)? NFS_RPC_SWAPFLAGS : 0);
 
         /* Finalize the task. */
-        rpc_init_task(task, NFS_CLIENT(inode), nfs3_read_done, flags);
+        rpc_init_task(task, NFS_CLIENT(inode), flags, &nfs3_read_ops, data);
         rpc_call_setup(task, &msg, 0);
 }
 
-static void
-nfs3_write_done(struct rpc_task *task)
+static void nfs3_write_done(struct rpc_task *task, void *calldata)
 {
-        struct nfs_write_data *data;
+        struct nfs_write_data *data = calldata;
 
         if (nfs3_async_handle_jukebox(task))
                 return;
-        data = (struct nfs_write_data *)task->tk_calldata;
         if (task->tk_status >= 0)
                 nfs_post_op_update_inode(data->inode, data->res.fattr);
-        nfs_writeback_done(task);
+        nfs_writeback_done(task, calldata);
 }
 
+static const struct rpc_call_ops nfs3_write_ops = {
+        .rpc_call_done = nfs3_write_done,
+        .rpc_release = nfs_writedata_release,
+};
+
 static void
 nfs3_proc_write_setup(struct nfs_write_data *data, int how)
 {
@@ -806,23 +825,26 @@ nfs3_proc_write_setup(struct nfs_write_data *data, int how)
         flags = (how & FLUSH_SYNC) ? 0 : RPC_TASK_ASYNC;
 
         /* Finalize the task. */
-        rpc_init_task(task, NFS_CLIENT(inode), nfs3_write_done, flags);
+        rpc_init_task(task, NFS_CLIENT(inode), flags, &nfs3_write_ops, data);
         rpc_call_setup(task, &msg, 0);
 }
 
-static void
-nfs3_commit_done(struct rpc_task *task)
+static void nfs3_commit_done(struct rpc_task *task, void *calldata)
 {
-        struct nfs_write_data *data;
+        struct nfs_write_data *data = calldata;
 
         if (nfs3_async_handle_jukebox(task))
                 return;
-        data = (struct nfs_write_data *)task->tk_calldata;
         if (task->tk_status >= 0)
                 nfs_post_op_update_inode(data->inode, data->res.fattr);
-        nfs_commit_done(task);
+        nfs_commit_done(task, calldata);
 }
 
+static const struct rpc_call_ops nfs3_commit_ops = {
+        .rpc_call_done = nfs3_commit_done,
+        .rpc_release = nfs_commit_release,
+};
+
 static void
 nfs3_proc_commit_setup(struct nfs_write_data *data, int how)
 {
@@ -840,7 +862,7 @@ nfs3_proc_commit_setup(struct nfs_write_data *data, int how)
         flags = (how & FLUSH_SYNC) ? 0 : RPC_TASK_ASYNC;
 
         /* Finalize the task. */
-        rpc_init_task(task, NFS_CLIENT(inode), nfs3_commit_done, flags);
+        rpc_init_task(task, NFS_CLIENT(inode), flags, &nfs3_commit_ops, data);
         rpc_call_setup(task, &msg, 0);
 }