NFSv4.1: rearrange nfs_write_rpcsetup

Reorder nfs_write_rpcsetup, preparing for a pnfs entry point.

Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Fred Isaman <iisaman@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index f033fa0..ae03599 100644 (file)
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -782,25 +782,21 @@ static int flush_task_priority(int how)
        return RPC_PRIORITY_NORMAL;
 }
 
-/*
- * Set up the argument/result storage required for the RPC call.
- */
-static int nfs_write_rpcsetup(struct nfs_page *req,
-               struct nfs_write_data *data,
-               const struct rpc_call_ops *call_ops,
-               unsigned int count, unsigned int offset,
-               int how)
+static int nfs_initiate_write(struct nfs_write_data *data,
+                      struct rpc_clnt *clnt,
+                      const struct rpc_call_ops *call_ops,
+                      int how)
 {
-       struct inode *inode = req->wb_context->path.dentry->d_inode;
+       struct inode *inode = data->inode;
        int priority = flush_task_priority(how);
        struct rpc_task *task;
        struct rpc_message msg = {
                .rpc_argp = &data->args,
                .rpc_resp = &data->res,
-               .rpc_cred = req->wb_context->cred,
+               .rpc_cred = data->cred,
        };
        struct rpc_task_setup task_setup_data = {
-               .rpc_client = NFS_CLIENT(inode),
+               .rpc_client = clnt,
                .task = &data->task,
                .rpc_message = &msg,
                .callback_ops = call_ops,
@@ -811,12 +807,49 @@ static int nfs_write_rpcsetup(struct nfs_page *req,
        };
        int ret = 0;
 
+       /* Set up the initial task struct.  */
+       NFS_PROTO(inode)->write_setup(data, &msg);
+
+       dprintk("NFS: %5u initiated write call "
+               "(req %s/%lld, %u bytes @ offset %llu)\n",
+               data->task.tk_pid,
+               inode->i_sb->s_id,
+               (long long)NFS_FILEID(inode),
+               data->args.count,
+               (unsigned long long)data->args.offset);
+
+       task = rpc_run_task(&task_setup_data);
+       if (IS_ERR(task)) {
+               ret = PTR_ERR(task);
+               goto out;
+       }
+       if (how & FLUSH_SYNC) {
+               ret = rpc_wait_for_completion_task(task);
+               if (ret == 0)
+                       ret = task->tk_status;
+       }
+       rpc_put_task(task);
+out:
+       return ret;
+}
+
+/*
+ * Set up the argument/result storage required for the RPC call.
+ */
+static int nfs_write_rpcsetup(struct nfs_page *req,
+               struct nfs_write_data *data,
+               const struct rpc_call_ops *call_ops,
+               unsigned int count, unsigned int offset,
+               int how)
+{
+       struct inode *inode = req->wb_context->path.dentry->d_inode;
+
        /* Set up the RPC argument and reply structs
         * NB: take care not to mess about with data->commit et al. */
 
        data->req = req;
        data->inode = inode = req->wb_context->path.dentry->d_inode;
-       data->cred = msg.rpc_cred;
+       data->cred = req->wb_context->cred;
 
        data->args.fh     = NFS_FH(inode);
        data->args.offset = req_offset(req) + offset;
@@ -837,30 +870,7 @@ static int nfs_write_rpcsetup(struct nfs_page *req,
        data->res.verf    = &data->verf;
        nfs_fattr_init(&data->fattr);
 
-       /* Set up the initial task struct.  */
-       NFS_PROTO(inode)->write_setup(data, &msg);
-
-       dprintk("NFS: %5u initiated write call "
-               "(req %s/%lld, %u bytes @ offset %llu)\n",
-               data->task.tk_pid,
-               inode->i_sb->s_id,
-               (long long)NFS_FILEID(inode),
-               count,
-               (unsigned long long)data->args.offset);
-
-       task = rpc_run_task(&task_setup_data);
-       if (IS_ERR(task)) {
-               ret = PTR_ERR(task);
-               goto out;
-       }
-       if (how & FLUSH_SYNC) {
-               ret = rpc_wait_for_completion_task(task);
-               if (ret == 0)
-                       ret = task->tk_status;
-       }
-       rpc_put_task(task);
-out:
-       return ret;
+       return nfs_initiate_write(data, NFS_CLIENT(inode), call_ops, how);
 }
 
 /* If a nfs_flush_* function fails, it should remove reqs from @head and