diff options
Diffstat (limited to 'drivers/block/drbd/drbd_main.c')
| -rw-r--r-- | drivers/block/drbd/drbd_main.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 178c711bc4a..79f275dc43a 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -2420,6 +2420,27 @@ found: return tconn; } +struct drbd_tconn *conn_get_by_addrs(void *my_addr, int my_addr_len, + void *peer_addr, int peer_addr_len) +{ + struct drbd_tconn *tconn; + + rcu_read_lock(); + list_for_each_entry_rcu(tconn, &drbd_tconns, all_tconn) { + if (tconn->my_addr_len == my_addr_len && + tconn->peer_addr_len == peer_addr_len && + !memcmp(&tconn->my_addr, my_addr, my_addr_len) && + !memcmp(&tconn->peer_addr, peer_addr, peer_addr_len)) { + kref_get(&tconn->kref); + goto found; + } + } + tconn = NULL; +found: + rcu_read_unlock(); + return tconn; +} + static int drbd_alloc_socket(struct drbd_socket *socket) { socket->rbuf = (void *) __get_free_page(GFP_KERNEL); |