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drbd: Correctly handle resources without volumes 

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Philipp Reisner 2011-07-11 17:04:23 +02:00
parent a67e1d9e8c
commit e0e1665381
2 changed files with 17 additions and 3 deletions
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3
drivers/block/drbd/drbd_nl.c
View File

@ -1095,7 +1095,8 @@ 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

17
drivers/block/drbd/drbd_state.c
View File

@ -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
} };