drbd: Converted drbd_free_sock() and drbd_disconnect() from mdev to tconn
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_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 4c61802..2e5318f 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -62,6 +62,7 @@
static int drbd_do_handshake(struct drbd_tconn *tconn);
static int drbd_do_auth(struct drbd_tconn *tconn);
+static int drbd_disconnected(int vnr, void *p, void *data);
static enum finish_epoch drbd_may_finish_epoch(struct drbd_conf *, struct drbd_epoch *, enum epoch_event);
static int e_end_block(struct drbd_conf *, struct drbd_work *, int);
@@ -3829,19 +3830,49 @@
wait_for_completion(&barr.done);
}
-static void drbd_disconnect(struct drbd_conf *mdev)
+static void drbd_disconnect(struct drbd_tconn *tconn)
{
- enum drbd_fencing_p fp;
union drbd_state os, ns;
int rv = SS_UNKNOWN_ERROR;
- unsigned int i;
- if (mdev->state.conn == C_STANDALONE)
+ if (tconn->volume0->state.conn == C_STANDALONE)
return;
/* asender does not clean up anything. it must not interfere, either */
- drbd_thread_stop(&mdev->tconn->asender);
- drbd_free_sock(mdev);
+ drbd_thread_stop(&tconn->asender);
+ drbd_free_sock(tconn);
+
+ idr_for_each(&tconn->volumes, drbd_disconnected, tconn);
+
+ conn_info(tconn, "Connection closed\n");
+
+ spin_lock_irq(&tconn->req_lock);
+ os = tconn->volume0->state;
+ if (os.conn >= C_UNCONNECTED) {
+ /* Do not restart in case we are C_DISCONNECTING */
+ ns.i = os.i;
+ ns.conn = C_UNCONNECTED;
+ rv = _drbd_set_state(tconn->volume0, ns, CS_VERBOSE, NULL);
+ }
+ spin_unlock_irq(&tconn->req_lock);
+
+ if (os.conn == C_DISCONNECTING) {
+ wait_event(tconn->net_cnt_wait, atomic_read(&tconn->net_cnt) == 0);
+
+ crypto_free_hash(tconn->cram_hmac_tfm);
+ tconn->cram_hmac_tfm = NULL;
+
+ kfree(tconn->net_conf);
+ tconn->net_conf = NULL;
+ drbd_request_state(tconn->volume0, NS(conn, C_STANDALONE));
+ }
+}
+
+static int drbd_disconnected(int vnr, void *p, void *data)
+{
+ struct drbd_conf *mdev = (struct drbd_conf *)p;
+ enum drbd_fencing_p fp;
+ unsigned int i;
/* wait for current activity to cease. */
spin_lock_irq(&mdev->tconn->req_lock);
@@ -3887,8 +3918,6 @@
if (!is_susp(mdev->state))
tl_clear(mdev);
- dev_info(DEV, "Connection closed\n");
-
drbd_md_sync(mdev);
fp = FP_DONT_CARE;
@@ -3900,27 +3929,6 @@
if (mdev->state.role == R_PRIMARY && fp >= FP_RESOURCE && mdev->state.pdsk >= D_UNKNOWN)
drbd_try_outdate_peer_async(mdev);
- spin_lock_irq(&mdev->tconn->req_lock);
- os = mdev->state;
- if (os.conn >= C_UNCONNECTED) {
- /* Do not restart in case we are C_DISCONNECTING */
- ns = os;
- ns.conn = C_UNCONNECTED;
- rv = _drbd_set_state(mdev, ns, CS_VERBOSE, NULL);
- }
- spin_unlock_irq(&mdev->tconn->req_lock);
-
- if (os.conn == C_DISCONNECTING) {
- wait_event(mdev->tconn->net_cnt_wait, atomic_read(&mdev->tconn->net_cnt) == 0);
-
- crypto_free_hash(mdev->tconn->cram_hmac_tfm);
- mdev->tconn->cram_hmac_tfm = NULL;
-
- kfree(mdev->tconn->net_conf);
- mdev->tconn->net_conf = NULL;
- drbd_request_state(mdev, NS(conn, C_STANDALONE));
- }
-
/* serialize with bitmap writeout triggered by the state change,
* if any. */
wait_event(mdev->misc_wait, !test_bit(BITMAP_IO, &mdev->flags));
@@ -3950,6 +3958,8 @@
/* ok, no more ee's on the fly, it is safe to reset the epoch_size */
atomic_set(&mdev->current_epoch->epoch_size, 0);
D_ASSERT(list_empty(&mdev->current_epoch->list));
+
+ return 0;
}
/*
@@ -4226,7 +4236,7 @@
do {
h = drbd_connect(mdev->tconn);
if (h == 0) {
- drbd_disconnect(mdev);
+ drbd_disconnect(mdev->tconn);
schedule_timeout_interruptible(HZ);
}
if (h == -1) {
@@ -4242,7 +4252,7 @@
}
}
- drbd_disconnect(mdev);
+ drbd_disconnect(mdev->tconn);
dev_info(DEV, "receiver terminated\n");
return 0;
