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From: Adam Kwolek <adam.kwolek@intel.com>
To: neilb@suse.de
Cc: linux-raid@vger.kernel.org, dan.j.williams@intel.com,
	ed.ciechanowski@intel.com, wojciech.neubauer@intel.com
Subject: [PATCH 4/4] FIX: Add raid5 to raid0 case to analyse_change()
Date: Thu, 10 Feb 2011 14:56:43 +0100	[thread overview]
Message-ID: <20110210135643.9276.89033.stgit@gklab-128-013.igk.intel.com> (raw)
In-Reply-To: <20110210134710.9276.91430.stgit@gklab-128-013.igk.intel.com>

Transition raid5 to raid0 was not covered in analyse_change()
Missing code added.

Signed-off-by: Adam Kwolek <adam.kwolek@intel.com>
---

 Grow.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/Grow.c b/Grow.c
index 08fc258..b04faf1 100644
--- a/Grow.c
+++ b/Grow.c
@@ -1056,6 +1056,14 @@ char *analyse_change(struct mdinfo *info, struct reshape *re)
 		info->array.layout = ALGORITHM_PARITY_N;
 	case 5:
 		switch (info->new_level) {
+		case 0:
+			re->level = 5;
+			info->delta_disks = 0;
+			re->before.data_disks = info->array.raid_disks - 1;
+			re->before.layout = info->array.layout;
+			re->after.data_disks = info->array.raid_disks;
+			re->after.layout = 0;
+			break;
 		case 4:
 			re->level = info->array.level;
 			re->before.data_disks = info->array.raid_disks - 1;


  parent reply	other threads:[~2011-02-10 13:56 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-10 13:55 [PATCH 0/4] Prepare mdadm for migrations (external meta) Adam Kwolek
2011-02-10 13:56 ` [PATCH 1/4] FIX: delta_disk can have UnSet value Adam Kwolek
2011-02-10 13:56 ` [PATCH 2/4] FIX: Get spares from external metadata Adam Kwolek
2011-02-10 13:56 ` [PATCH 3/4] imsm: FIX: Add spare disks information to array description Adam Kwolek
2011-02-10 13:56 ` Adam Kwolek [this message]
2011-02-14  0:17 ` [PATCH 0/4] Prepare mdadm for migrations (external meta) NeilBrown

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