[PATCH 12/15] drbd: Turn no-disk-flushes into disk-flushes={yes|no}

From: Philipp Reisner
Date: Thu Oct 06 2011 - 09:39:44 EST


From: Andreas Gruenbacher <agruen@xxxxxxxxxx>

Change the --no-disk-flushes drbdsetup command line option as well as
the no_disk_flush netlink packet.

Signed-off-by: Philipp Reisner <philipp.reisner@xxxxxxxxxx>
Signed-off-by: Lars Ellenberg <lars.ellenberg@xxxxxxxxxx>
---
drivers/block/drbd/drbd_receiver.c | 2 +-
include/linux/drbd_genl.h | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 73f605b..1024f04 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -1179,7 +1179,7 @@ void drbd_bump_write_ordering(struct drbd_conf *mdev, enum write_ordering_e wo)
rcu_read_lock();
dc = rcu_dereference(mdev->ldev->disk_conf);

- if (wo == WO_bdev_flush && dc->no_disk_flush)
+ if (wo == WO_bdev_flush && !dc->disk_flushes)
wo = WO_drain_io;
if (wo == WO_drain_io && dc->no_disk_drain)
wo = WO_none;
diff --git a/include/linux/drbd_genl.h b/include/linux/drbd_genl.h
index 529627b..c5e7a99 100644
--- a/include/linux/drbd_genl.h
+++ b/include/linux/drbd_genl.h
@@ -124,8 +124,8 @@ GENL_struct(DRBD_NLA_DISK_CONF, 3, disk_conf,
__u32_field_def(14, GENLA_F_MANDATORY, c_max_rate, DRBD_C_MAX_RATE_DEF)
__u32_field_def(15, GENLA_F_MANDATORY, c_min_rate, DRBD_C_MIN_RATE_DEF)

- __flg_field_def(16, GENLA_F_MANDATORY, no_disk_barrier, 0)
- __flg_field_def(17, GENLA_F_MANDATORY, no_disk_flush, 0)
+ __flg_field_def(16, GENLA_F_MANDATORY, disk_barrier, 1)
+ __flg_field_def(17, GENLA_F_MANDATORY, disk_flushes, 1)
__flg_field_def(18, GENLA_F_MANDATORY, no_disk_drain, 0)
__flg_field_def(19, GENLA_F_MANDATORY, no_md_flush, 0)
)
--
1.7.4.1

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