From: Adam Kwolek <adam.kwolek@intel.com>
Date: Thu, 16 Dec 2010 02:17:47 +0000 (+1100)
Subject: imsm: Block array state change during reshape
X-Git-Tag: mdadm-3.2~166
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1af97990a6c8930c97f7943f0dac4b775c688274;p=thirdparty%2Fmdadm.git

imsm: Block array state change during reshape

Array state change is blocked due to reshape action in progress
metadata changes are during applying.

'1' is returned to indicate that array is clean

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 59f9b729..8fd49344 100644
--- a/super-intel.c
+++ b/super-intel.c
@@ -4840,6 +4840,17 @@ static int imsm_set_array_state(struct active_array *a, int consistent)
 	__u8 map_state = imsm_check_degraded(super, dev, failed);
 	__u32 blocks_per_unit;
 
+	if (dev->vol.migr_state &&
+	    dev->vol.migr_type  == MIGR_GEN_MIGR) {
+		/* array state change is blocked due to reshape action
+		 *
+		 * '1' is returned to indicate that array is clean
+		 */
+		dprintf("imsm: imsm_set_array_state() called "\
+			"during reshape.\n");
+		return 1;
+	}
+
 	/* before we activate this array handle any missing disks */
 	if (consistent == 2)
 		handle_missing(super, dev);
@@ -5247,6 +5258,12 @@ static struct mdinfo *imsm_activate_spare(struct active_array *a,
 
 	dprintf("imsm: activate spare: inst=%d failed=%d (%d) level=%d\n",
 		inst, failed, a->info.array.raid_disks, a->info.array.level);
+
+	if (dev->vol.migr_state &&
+	    dev->vol.migr_type == MIGR_GEN_MIGR)
+		/* No repair during migration */
+		return NULL;
+
 	if (imsm_check_degraded(super, dev, failed) != IMSM_T_STATE_DEGRADED)
 		return NULL;