export do_sync_{read,write} for modules

fs/Makefile

@@ -6,7 +6,7 @@
 # 
 
 export-objs :=	open.o dcache.o buffer.o bio.o inode.o dquot.o mpage.o aio.o \
-                fcntl.o
+                fcntl.o read_write.o
 
 obj-y :=	open.o read_write.o devices.o file_table.o buffer.o \
 		bio.o super.o block_dev.o char_dev.o stat.o exec.o pipe.o \

fs/read_write.c

@@ -614,3 +614,6 @@ asmlinkage ssize_t sys_sendfile64(int out_fd, int in_fd, loff_t *offset, size_t
 
 	return do_sendfile(out_fd, in_fd, NULL, count, 0);
 }
+
+EXPORT_SYMBOL(do_sync_read);
+EXPORT_SYMBOL(do_sync_write);