From: Artur Paszkiewicz <artur.paszkiewicz@intel.com>
Date: Thu, 28 Sep 2017 12:41:18 +0000 (+0200)
Subject: imsm: write initial ppl on a disk added for rebuild
X-Git-Tag: mdadm-4.1-rc1~64
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2ec9d182ea5821ec2f7234ff3c0cf07ae9f43cb4;p=thirdparty%2Fmdadm.git

imsm: write initial ppl on a disk added for rebuild

When rebuild is initiated by the UEFI driver it is possible that the new
disk will not contain a valid ppl header. Just write the initial ppl
and don't abort assembly.

Signed-off-by: Artur Paszkiewicz <artur.paszkiewicz@intel.com>
Signed-off-by: Jes Sorensen <jsorensen@fb.com>
---

diff --git a/super-intel.c b/super-intel.c
index cf5d8226..536cb613 100644
--- a/super-intel.c
+++ b/super-intel.c
@@ -6227,7 +6227,10 @@ out:
 
 		if (map->map_state == IMSM_T_STATE_UNINITIALIZED ||
 		   (map->map_state == IMSM_T_STATE_NORMAL &&
-		   !(dev->vol.dirty & RAIDVOL_DIRTY)))
+		   !(dev->vol.dirty & RAIDVOL_DIRTY)) ||
+		   (dev->vol.migr_state == MIGR_REBUILD &&
+		    dev->vol.curr_migr_unit == 0 &&
+		    get_imsm_disk_idx(dev, disk->disk.raid_disk, MAP_1) != idx))
 			ret = st->ss->write_init_ppl(st, info, d->fd);
 		else
 			info->mismatch_cnt++;