Commit the atom before passing management to new file plugin

Signed-off-by: Edward Shishkin <edward.shishkin@gmail.com>

plugin/file/file.c

@@ -1052,7 +1052,7 @@ capture_anonymous_jnodes(struct address_space *mapping,
 /*
  * Commit atom of the jnode of a page.
  */
-static int sync_page(struct page *page)
+int reiser4_sync_page(struct page *page)
 {
 	int result;
 	do {
@@ -1113,7 +1113,7 @@ static int sync_page_list(struct inode *inode)
 
 		from = page->index + 1;
 
-		result = sync_page(page);
+		result = reiser4_sync_page(page);
 
 		put_page(page);
 		xa_lock_irq(&mapping->i_pages);

plugin/file/file.h

@@ -40,6 +40,7 @@ int reiser4_mmap_dispatch(struct file *, struct vm_area_struct *);
 int reiser4_open_dispatch(struct inode *inode, struct file *file);
 int reiser4_release_dispatch(struct inode *, struct file *);
 int reiser4_sync_file_common(struct file *, loff_t, loff_t, int datasync);
+int reiser4_sync_page(struct page *page);
 
 /* address space operations */
 int reiser4_readpage_dispatch(struct file *, struct page *);

plugin/file/file_conversion.c

@@ -570,8 +570,15 @@ ssize_t reiser4_write_dispatch(struct file *file, const char __user *buf,
 	/**
 	 * Second step.
 	 * New file plugin has been scheduled.
-	 * Perform conversion to the new plugin.
+	 * Commit respective atom and pass management to the new plugin.
 	 */
+	assert("edward-181", cont.pages[0] != NULL);
+	/*
+	 * this will commit the whole logical cluster
+	 * the file consists of
+	 */
+	reiser4_sync_page(cont.pages[0]);
+
 	down_read(&reiser4_inode_data(inode)->conv_sem);
 	result = convert_file_plugin(file, inode, &cont);
 	up_read(&reiser4_inode_data(inode)->conv_sem);