NFS: cleanup of nfs_sync_inode_wait()

Allow callers to directly pass it a struct writeback_control.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index f8190ae..f2ec9be 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -432,7 +432,10 @@
  * Try to write back everything synchronously (but check the
  * return value!)
  */
-extern long nfs_sync_inode_wait(struct inode *, unsigned long, unsigned int, int);
+extern long nfs_sync_mapping_wait(struct address_space *, struct writeback_control *, int);
+extern int nfs_sync_mapping_range(struct address_space *, loff_t, loff_t, int);
+extern int nfs_wb_all(struct inode *inode);
+extern int nfs_wb_page(struct inode *inode, struct page* page);
 #if defined(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4)
 extern int  nfs_commit_inode(struct inode *, int);
 extern struct nfs_write_data *nfs_commit_alloc(void);
@@ -452,28 +455,6 @@
 	return NFS_I(inode)->npages != 0;
 }
 
-static inline int
-nfs_wb_all(struct inode *inode)
-{
-	int error = nfs_sync_inode_wait(inode, 0, 0, 0);
-	return (error < 0) ? error : 0;
-}
-
-/*
- * Write back all requests on one page - we do this before reading it.
- */
-static inline int nfs_wb_page_priority(struct inode *inode, struct page* page, int how)
-{
-	int error = nfs_sync_inode_wait(inode, page->index, 1,
-			how | FLUSH_STABLE);
-	return (error < 0) ? error : 0;
-}
-
-static inline int nfs_wb_page(struct inode *inode, struct page* page)
-{
-	return nfs_wb_page_priority(inode, page, 0);
-}
-
 /*
  * Allocate nfs_write_data structures
  */