drbd: Renamed the net_conf_update mutex to conf_update
Preparing to use the same mutex for disk_conf updates
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index 8655fcb..0311dfd 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -832,7 +832,7 @@
unsigned long flags;
struct net_conf *net_conf; /* content protected by rcu */
- struct mutex net_conf_update; /* mutex for ready-copy-update of net_conf */
+ struct mutex conf_update; /* mutex for ready-copy-update of net_conf and disk_conf */
wait_queue_head_t ping_wait; /* Woken upon reception of a ping, and a state change */
struct res_opts res_opts;
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 4ae3e7a..e372444 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -2474,7 +2474,7 @@
tconn->cstate = C_STANDALONE;
mutex_init(&tconn->cstate_mutex);
spin_lock_init(&tconn->req_lock);
- mutex_init(&tconn->net_conf_update);
+ mutex_init(&tconn->conf_update);
init_waitqueue_head(&tconn->ping_wait);
idr_init(&tconn->volumes);
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 8d2c339..3bad141 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -597,11 +597,11 @@
put_ldev(mdev);
}
} else {
- mutex_lock(&mdev->tconn->net_conf_update);
+ mutex_lock(&mdev->tconn->conf_update);
nc = mdev->tconn->net_conf;
if (nc)
nc->want_lose = 0; /* without copy; single bit op is atomic */
- mutex_unlock(&mdev->tconn->net_conf_update);
+ mutex_unlock(&mdev->tconn->conf_update);
set_disk_ro(mdev->vdisk, false);
if (get_ldev(mdev)) {
@@ -1829,7 +1829,7 @@
conn_reconfig_start(tconn);
mutex_lock(&tconn->data.mutex);
- mutex_lock(&tconn->net_conf_update);
+ mutex_lock(&tconn->conf_update);
old_conf = tconn->net_conf;
if (!old_conf) {
@@ -1903,7 +1903,7 @@
crypto_free_hash(tconn->cram_hmac_tfm);
tconn->cram_hmac_tfm = crypto.cram_hmac_tfm;
- mutex_unlock(&tconn->net_conf_update);
+ mutex_unlock(&tconn->conf_update);
mutex_unlock(&tconn->data.mutex);
synchronize_rcu();
kfree(old_conf);
@@ -1914,7 +1914,7 @@
goto done;
fail:
- mutex_unlock(&tconn->net_conf_update);
+ mutex_unlock(&tconn->conf_update);
mutex_unlock(&tconn->data.mutex);
free_crypto(&crypto);
kfree(new_conf);
@@ -2010,11 +2010,11 @@
conn_flush_workqueue(tconn);
- mutex_lock(&tconn->net_conf_update);
+ mutex_lock(&tconn->conf_update);
old_conf = tconn->net_conf;
if (old_conf) {
retcode = ERR_NET_CONFIGURED;
- mutex_unlock(&tconn->net_conf_update);
+ mutex_unlock(&tconn->conf_update);
goto fail;
}
rcu_assign_pointer(tconn->net_conf, new_conf);
@@ -2027,7 +2027,7 @@
tconn->csums_tfm = crypto.csums_tfm;
tconn->verify_tfm = crypto.verify_tfm;
- mutex_unlock(&tconn->net_conf_update);
+ mutex_unlock(&tconn->conf_update);
rcu_read_lock();
idr_for_each_entry(&tconn->volumes, mdev, i) {
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 956cdda..567d64b 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -3221,7 +3221,7 @@
p->csums_alg[SHARED_SECRET_MAX-1] = 0;
}
- mutex_lock(&mdev->tconn->net_conf_update);
+ mutex_lock(&mdev->tconn->conf_update);
old_conf = mdev->tconn->net_conf;
if (strcmp(old_conf->verify_alg, p->verify_alg)) {
@@ -3296,7 +3296,7 @@
}
rcu_assign_pointer(tconn->net_conf, new_conf);
}
- mutex_unlock(&mdev->tconn->net_conf_update);
+ mutex_unlock(&mdev->tconn->conf_update);
if (new_conf) {
synchronize_rcu();
kfree(old_conf);
@@ -3314,7 +3314,7 @@
return 0;
disconnect:
- mutex_unlock(&mdev->tconn->net_conf_update);
+ mutex_unlock(&mdev->tconn->conf_update);
/* just for completeness: actually not needed,
* as this is not reached if csums_tfm was ok. */
crypto_free_hash(csums_tfm);
@@ -3744,9 +3744,9 @@
}
}
- mutex_lock(&mdev->tconn->net_conf_update);
+ mutex_lock(&mdev->tconn->conf_update);
mdev->tconn->net_conf->want_lose = 0; /* without copy; single bit op is atomic */
- mutex_unlock(&mdev->tconn->net_conf_update);
+ mutex_unlock(&mdev->tconn->conf_update);
drbd_md_sync(mdev); /* update connected indicator, la_size, ... */
diff --git a/drivers/block/drbd/drbd_state.c b/drivers/block/drbd/drbd_state.c
index 523ec09..332781c 100644
--- a/drivers/block/drbd/drbd_state.c
+++ b/drivers/block/drbd/drbd_state.c
@@ -1410,11 +1410,11 @@
if (oc == C_DISCONNECTING && ns_max.conn == C_STANDALONE) {
struct net_conf *old_conf;
- mutex_lock(&tconn->net_conf_update);
+ mutex_lock(&tconn->conf_update);
old_conf = tconn->net_conf;
rcu_assign_pointer(tconn->net_conf, NULL);
conn_free_crypto(tconn);
- mutex_unlock(&tconn->net_conf_update);
+ mutex_unlock(&tconn->conf_update);
synchronize_rcu();
kfree(old_conf);
