dm snapshot: style cleanups

Coding style cleanups.
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Jonathan Brassow <jbrassow@redhat.com>

drivers/md/dm-snap-persistent.c

@@ -567,7 +567,7 @@ static int persistent_read_metadata(struct dm_exception_store *store,
 	ps->exceptions_per_area = (ps->store->chunk_size << SECTOR_SHIFT) /
 				  sizeof(struct disk_exception);
 	ps->callbacks = dm_vcalloc(ps->exceptions_per_area,
-			sizeof(*ps->callbacks));
+				   sizeof(*ps->callbacks));
 	if (!ps->callbacks)
 		return -ENOMEM;
 
@@ -674,7 +674,7 @@ static void persistent_commit_exception(struct dm_exception_store *store,
 	 * If we completely filled the current area, then wipe the next one.
 	 */
 	if ((ps->current_committed == ps->exceptions_per_area) &&
-	     zero_disk_area(ps, ps->current_area + 1))
+	    zero_disk_area(ps, ps->current_area + 1))
 		ps->valid = 0;
 
 	/*

drivers/md/dm-snap.c

@@ -1045,8 +1045,7 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 
 	s = kmalloc(sizeof(*s), GFP_KERNEL);
 	if (!s) {
-		ti->error = "Cannot allocate snapshot context private "
-		    "structure";
+		ti->error = "Cannot allocate private snapshot structure";
 		r = -ENOMEM;
 		goto bad;
 	}
@@ -1405,7 +1404,7 @@ static void pending_complete(struct dm_snap_pending_exception *pe, int success)
 	 */
 	dm_insert_exception(&s->complete, e);
 
- out:
+out:
 	dm_remove_exception(&pe->e);
 	snapshot_bios = bio_list_get(&pe->snapshot_bios);
 	origin_bios = bio_list_get(&pe->origin_bios);
@@ -1470,8 +1469,7 @@ static void start_copy(struct dm_snap_pending_exception *pe)
 	dest.count = src.count;
 
 	/* Hand over to kcopyd */
-	dm_kcopyd_copy(s->kcopyd_client,
-		    &src, 1, &dest, 0, copy_callback, pe);
+	dm_kcopyd_copy(s->kcopyd_client, &src, 1, &dest, 0, copy_callback, pe);
 }
 
 static struct dm_snap_pending_exception *
@@ -1618,9 +1616,9 @@ static int snapshot_map(struct dm_target *ti, struct bio *bio,
 		map_context->ptr = track_chunk(s, chunk);
 	}
 
- out_unlock:
+out_unlock:
 	up_write(&s->lock);
- out:
+out:
 	return r;
 }
 
@@ -1964,7 +1962,7 @@ static int __origin_write(struct list_head *snapshots, sector_t sector,
 			pe_to_start_now = pe;
 		}
 
- next_snapshot:
+next_snapshot:
 		up_write(&snap->lock);
 
 		if (pe_to_start_now) {