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Message-Id: <1318629472-11110-2-git-send-email-philipp.reisner@linbit.com>
Date: Fri, 14 Oct 2011 23:57:42 +0200
From: Philipp Reisner <philipp.reisner@...bit.com>
To: linux-kernel@...r.kernel.org, Jens Axboe <axboe@...nel.dk>
Cc: drbd-dev@...ts.linbit.com
Subject: [PATCH 01/11] drbd: Correctly handle resources without volumes
Signed-off-by: Philipp Reisner <philipp.reisner@...bit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@...bit.com>
---
drivers/block/drbd/drbd_nl.c | 3 ++-
drivers/block/drbd/drbd_state.c | 17 +++++++++++++++--
2 files changed, 17 insertions(+), 3 deletions(-)
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 20fa803..a71a5f5 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -1119,7 +1119,8 @@ static void conn_reconfig_done(struct drbd_tconn *tconn)
{
bool stop_threads;
spin_lock_irq(&tconn->req_lock);
- stop_threads = conn_all_vols_unconf(tconn);
+ stop_threads = conn_all_vols_unconf(tconn) &&
+ tconn->cstate == C_STANDALONE;
spin_unlock_irq(&tconn->req_lock);
if (stop_threads) {
/* asender is implicitly stopped by receiver
diff --git a/drivers/block/drbd/drbd_state.c b/drivers/block/drbd/drbd_state.c
index c4dd667..eafc195 100644
--- a/drivers/block/drbd/drbd_state.c
+++ b/drivers/block/drbd/drbd_state.c
@@ -1491,9 +1491,15 @@ static int w_after_conn_state_ch(struct drbd_work *w, int unused)
void conn_old_common_state(struct drbd_tconn *tconn, union drbd_state *pcs, enum chg_state_flags *pf)
{
enum chg_state_flags flags = ~0;
- union drbd_dev_state os, cs = {}; /* old_state, common_state */
struct drbd_conf *mdev;
int vnr, first_vol = 1;
+ union drbd_dev_state os, cs = {
+ { .role = R_SECONDARY,
+ .peer = R_UNKNOWN,
+ .conn = tconn->cstate,
+ .disk = D_DISKLESS,
+ .pdsk = D_UNKNOWN,
+ } };
rcu_read_lock();
idr_for_each_entry(&tconn->volumes, mdev, vnr) {
@@ -1574,10 +1580,17 @@ void
conn_set_state(struct drbd_tconn *tconn, union drbd_state mask, union drbd_state val,
union drbd_state *pns_min, union drbd_state *pns_max, enum chg_state_flags flags)
{
- union drbd_state ns, os, ns_max = { };
+ union drbd_state ns, os, ns_max = {
+ { .role = R_SECONDARY,
+ .peer = R_UNKNOWN,
+ .conn = val.conn,
+ .disk = D_DISKLESS,
+ .pdsk = D_UNKNOWN
+ } };
union drbd_state ns_min = {
{ .role = R_MASK,
.peer = R_MASK,
+ .conn = val.conn,
.disk = D_MASK,
.pdsk = D_MASK
} };
--
1.7.4.1
--
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