From mboxrd@z Thu Jan 1 00:00:00 1970 From: Adam Kwolek Subject: [PATCH 4/4] FIX: Target disk number depends on source raid level Date: Fri, 11 Feb 2011 14:44:22 +0100 Message-ID: <20110211134422.6212.27478.stgit@gklab-128-013.igk.intel.com> References: <20110211133959.6212.57757.stgit@gklab-128-013.igk.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20110211133959.6212.57757.stgit@gklab-128-013.igk.intel.com> Sender: linux-raid-owner@vger.kernel.org To: neilb@suse.de Cc: linux-raid@vger.kernel.org, dan.j.williams@intel.com, ed.ciechanowski@intel.com, wojciech.neubauer@intel.com List-Id: linux-raid.ids Target number of data disk depends on source raid level not on working raid level. if transition is from raid0 to raid5 with working level== 5, this means that we add one disk (delta_disks == 1) but data disks number doesn't change. Signed-off-by: Adam Kwolek --- Grow.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/Grow.c b/Grow.c index b04faf1..baa493a 100644 --- a/Grow.c +++ b/Grow.c @@ -1174,7 +1174,7 @@ char *analyse_change(struct mdinfo *info, struct reshape *re) return "Cannot convert to RAID5 from this level"; if (info->delta_disks == UnSet) re->after.data_disks = re->before.data_disks; - else if (re->level == 5) + else if (info->array.level == 5) re->after.data_disks = re->before.data_disks + info->delta_disks; else