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drbd: respect no-md-barriers setting also when changed online via disk-options

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We need to propagate the configuration into the flag bits,
or it won't be effective.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Lars Ellenberg 2012-10-26 00:41:50 +02:00 committed by Philipp Reisner
parent 298307ed1d
commit 691631c065
1 changed files with 5 additions and 0 deletions
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5
drivers/block/drbd/drbd_nl.c
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@ -1230,6 +1230,11 @@ int drbd_adm_disk_opts(struct sk_buff *skb, struct genl_info *info)
else else
mdev->ldev->md.flags |= MDF_AL_DISABLED; 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_bump_write_ordering(mdev->tconn, WO_bdev_flush);
drbd_md_sync(mdev); drbd_md_sync(mdev);