diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c index f3dc1f5fc41c6dace086636d0ca263372fbe13c2..b2b081236abb0840531c671c96e9d4f3c2eab571 100644 --- a/drivers/target/target_core_device.c +++ b/drivers/target/target_core_device.c @@ -47,6 +47,9 @@ #include "target_core_pr.h" #include "target_core_ua.h" +DEFINE_MUTEX(g_device_mutex); +LIST_HEAD(g_device_list); + static struct se_hba *lun0_hba; /* not static, needed by tpg.c */ struct se_device *g_lun0_dev; @@ -1406,6 +1409,7 @@ struct se_device *target_alloc_device(struct se_hba *hba, const char *name) INIT_LIST_HEAD(&dev->delayed_cmd_list); INIT_LIST_HEAD(&dev->state_list); INIT_LIST_HEAD(&dev->qf_cmd_list); + INIT_LIST_HEAD(&dev->g_dev_node); spin_lock_init(&dev->stats_lock); spin_lock_init(&dev->execute_task_lock); spin_lock_init(&dev->delayed_cmd_lock); @@ -1525,6 +1529,11 @@ int target_configure_device(struct se_device *dev) spin_lock(&hba->device_lock); hba->dev_count++; spin_unlock(&hba->device_lock); + + mutex_lock(&g_device_mutex); + list_add_tail(&dev->g_dev_node, &g_device_list); + mutex_unlock(&g_device_mutex); + return 0; out_free_alua: @@ -1543,6 +1552,10 @@ void target_free_device(struct se_device *dev) if (dev->dev_flags & DF_CONFIGURED) { destroy_workqueue(dev->tmr_wq); + mutex_lock(&g_device_mutex); + list_del(&dev->g_dev_node); + mutex_unlock(&g_device_mutex); + spin_lock(&hba->device_lock); hba->dev_count--; spin_unlock(&hba->device_lock); diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index b5d0c2496c7e7401b952613ec072dd07ea494dd1..732ce804020c22fa2a42767bd7cd22186e975f2a 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -686,6 +686,7 @@ struct se_device { struct list_head delayed_cmd_list; struct list_head state_list; struct list_head qf_cmd_list; + struct list_head g_dev_node; /* Pointer to associated SE HBA */ struct se_hba *se_hba; /* T10 Inquiry and VPD WWN Information */