drbd: Turn no-md-flushes into md-flushes={yes|no}
Change the --no-md-flushes drbdsetup command line option as well as the no_md_flush netlink packet. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
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@ -1449,10 +1449,10 @@ int drbd_adm_attach(struct sk_buff *skb, struct genl_info *info)
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/* Reset the "barriers don't work" bits here, then force meta data to
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* be written, to ensure we determine if barriers are supported. */
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if (new_disk_conf->no_md_flush)
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set_bit(MD_NO_FUA, &mdev->flags);
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else
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if (new_disk_conf->md_flushes)
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clear_bit(MD_NO_FUA, &mdev->flags);
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else
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set_bit(MD_NO_FUA, &mdev->flags);
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/* Point of no return reached.
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* Devices and memory are no longer released by error cleanup below.
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@ -125,7 +125,7 @@ GENL_struct(DRBD_NLA_DISK_CONF, 3, disk_conf,
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__flg_field_def(16, GENLA_F_MANDATORY, disk_barrier, 1)
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__flg_field_def(17, GENLA_F_MANDATORY, disk_flushes, 1)
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__flg_field_def(18, GENLA_F_MANDATORY, disk_drain, 1)
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__flg_field_def(19, GENLA_F_MANDATORY, no_md_flush, 0)
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__flg_field_def(19, GENLA_F_MANDATORY, md_flushes, 1)
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)
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GENL_struct(DRBD_NLA_RESOURCE_OPTS, 4, res_opts,
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