From 691631c0652bc47e6d20b0d981e23a9025fd794e Mon Sep 17 00:00:00 2001 From: Lars Ellenberg Date: Fri, 26 Oct 2012 00:41:50 +0200 Subject: [PATCH] drbd: respect no-md-barriers setting also when changed online via disk-options We need to propagate the configuration into the flag bits, or it won't be effective. Signed-off-by: Philipp Reisner Signed-off-by: Lars Ellenberg --- drivers/block/drbd/drbd_nl.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index 76bb3a684b86..536f94a1ba5d 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -1230,6 +1230,11 @@ int drbd_adm_disk_opts(struct sk_buff *skb, struct genl_info *info) else mdev->ldev->md.flags |= MDF_AL_DISABLED; + if (new_disk_conf->md_flushes) + clear_bit(MD_NO_FUA, &mdev->flags); + else + set_bit(MD_NO_FUA, &mdev->flags); + drbd_bump_write_ordering(mdev->tconn, WO_bdev_flush); drbd_md_sync(mdev); -- 2.39.2