From 54071b3808ee3dc8624d9d6f1b06c4fd5308fa3b Mon Sep 17 00:00:00 2001 From: Trela Maciej Date: Mon, 8 Mar 2010 16:02:42 +1100 Subject: md:Add support for Raid0->Raid5 takeover Signed-off-by: Maciej Trela Signed-off-by: NeilBrown --- drivers/md/md.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'drivers/md/md.c') diff --git a/drivers/md/md.c b/drivers/md/md.c index 2a64cba9ea72..22c630b7ba6c 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -3017,6 +3017,20 @@ level_store(mddev_t *mddev, const char *buf, size_t len) mddev->to_remove = &md_redundancy_group; } + if (mddev->pers->sync_request == NULL && + mddev->external) { + /* We are converting from a no-redundancy array + * to a redundancy array and metadata is managed + * externally so we need to be sure that writes + * won't block due to a need to transition + * clean->dirty + * until external management is started. + */ + mddev->in_sync = 0; + mddev->safemode_delay = 0; + mddev->safemode = 0; + } + module_put(mddev->pers->owner); /* Invalidate devices that are now superfluous */ list_for_each_entry(rdev, &mddev->disks, same_set) -- cgit v1.2.3