trivial patch to dm-snap.c

diff -ur linux-2.6.6-rc2-mm1-udm1-original/drivers/md/dm-snap.c linux-2.6.6-rc2-mm1-udm1-patched/drivers/md/dm-snap.c
@@ -608,9 +608,9 @@
 	return NULL;
 }
 
+#if 0
 static void check_free_space(struct dm_snapshot *s)
 {
-#if 0
 	sector_t numerator, denominator;
 	double n, d;
 	unsigned pc;

@@ -628,8 +628,8 @@
 		dm_table_event(s->table);
 		s->last_percent = pc - pc % WAKE_UP_PERCENT;
 	}
-#endif
 }
+#endif
 
 static void pending_complete(struct pending_exception *pe, int success)
 {

@@ -667,8 +667,10 @@
 		flush_bios(bio_list_get(&pe->snapshot_bios));
 		DMDEBUG("Exception completed successfully.");
 
+#if 0
 		/* Notify any interested parties */
 		//check_free_space(s);
+#endif
 
 	} else {
 		/* Read/write error - snapshot is unusable */

@@ -889,7 +891,7 @@
 	return r;
 }
 
-void snapshot_resume(struct dm_target *ti)
+static void snapshot_resume(struct dm_target *ti)
 {
 	struct dm_snapshot *s = (struct dm_snapshot *) ti->private;
 

@@ -1040,7 +1042,7 @@
 /*
  * Called on a write from the origin driver.
  */
-int do_origin(struct dm_dev *origin, struct bio *bio)
+static int do_origin(struct dm_dev *origin, struct bio *bio)
 {
 	struct origin *o;
 	int r;