ocfs2: convert to new aops

Plug ocfs2 into the ->write_begin and ->write_end aops.

A bunch of custom code is now gone - the iovec iteration stuff during write
and the ocfs2 splice write actor.

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index 34d1045..c69c1b3 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -1724,9 +1724,9 @@
 	return ret;
 }
 
-int ocfs2_write_begin(struct file *file, struct address_space *mapping,
-		      loff_t pos, unsigned len, unsigned flags,
-		      struct page **pagep, void **fsdata)
+static int ocfs2_write_begin(struct file *file, struct address_space *mapping,
+			     loff_t pos, unsigned len, unsigned flags,
+			     struct page **pagep, void **fsdata)
 {
 	int ret;
 	struct buffer_head *di_bh = NULL;
@@ -1877,9 +1877,9 @@
 	return copied;
 }
 
-int ocfs2_write_end(struct file *file, struct address_space *mapping,
-		    loff_t pos, unsigned len, unsigned copied,
-		    struct page *page, void *fsdata)
+static int ocfs2_write_end(struct file *file, struct address_space *mapping,
+			   loff_t pos, unsigned len, unsigned copied,
+			   struct page *page, void *fsdata)
 {
 	int ret;
 	struct inode *inode = mapping->host;
@@ -1896,6 +1896,8 @@
 const struct address_space_operations ocfs2_aops = {
 	.readpage	= ocfs2_readpage,
 	.writepage	= ocfs2_writepage,
+	.write_begin	= ocfs2_write_begin,
+	.write_end	= ocfs2_write_end,
 	.bmap		= ocfs2_bmap,
 	.sync_page	= block_sync_page,
 	.direct_IO	= ocfs2_direct_IO,