From: Adam Kwolek <adam.kwolek@intel.com>
Date: Thu, 9 Jun 2011 03:00:55 +0000 (+1000)
Subject: imsm: FIX: Do not use pba_of_lba0 for copy position calculation
X-Git-Tag: mdadm-3.2.2~34
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=92144abfbe2a3a80ff41e29f903e544f78bb2481;p=thirdparty%2Fmdadm.git

imsm: FIX: Do not use pba_of_lba0 for copy position calculation

imsm_manage_reshape() should not shift start copy position.
This offset is passed to manage reshape function /and it is used/
as input parameter in offsets table already.

Signed-off-by: Adam Kwolek <adam.kwolek@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
---

diff --git a/super-intel.c b/super-intel.c
index fad90d2b..5c120fae 100644
--- a/super-intel.c
+++ b/super-intel.c
@@ -8764,9 +8764,7 @@ static int imsm_manage_reshape(
 		if ((current_position + next_step) > max_position)
 			next_step = max_position - current_position;
 
-		start = (__le32_to_cpu(map_src->pba_of_lba0) +
-			 __le32_to_cpu(dev->reserved_blocks) +
-			 current_position) * 512;
+		start = current_position * 512;
 
 		/* allign reading start to old geometry */
 		start_buf_shift = start % old_data_stripe_length;