From mboxrd@z Thu Jan 1 00:00:00 1970 From: Adam Kwolek Subject: [PATCH 16/34] FIX: Use sysfs to change array parameters Date: Tue, 04 Jan 2011 15:37:44 +0100 Message-ID: <20110104143744.6697.33884.stgit@gklab-128-013.igk.intel.com> References: <20110104143240.6697.52355.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: <20110104143240.6697.52355.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 For external metadata parameters has to be changed via sysfs. i.e. change of raid_disks requires handshake mdmon<->md (md_allow_write()) Signed-off-by: Adam Kwolek --- Grow.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/Grow.c b/Grow.c index c72b89f..dae9bbf 100644 --- a/Grow.c +++ b/Grow.c @@ -1896,7 +1896,8 @@ static int reshape_array(char *container, int fd, char *devname, sync_metadata(st); if (info->array.chunk_size == info->new_chunk && - reshape.before.layout == reshape.after.layout) { + reshape.before.layout == reshape.after.layout && + st->ss->external == 0) { array.raid_disks = reshape.after.raid_disks; if (ioctl(fd, SET_ARRAY_INFO, &array) != 0) { int err = errno;