drivers/target/iscsi/iscsi_target_transport.c

Source file repositories/reference/linux-study-clean/drivers/target/iscsi/iscsi_target_transport.c

File Facts

System
Linux kernel
Corpus path
drivers/target/iscsi/iscsi_target_transport.c
Extension
.c
Size
1253 bytes
Lines
55
Domain
Driver Families
Bucket
drivers/target
Inferred role
Driver Families: exported/initcall integration point
Status
integration implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

if (t->transport_type == type) {
			if (t->owner && !try_module_get(t->owner)) {
				t = NULL;
			}
			mutex_unlock(&transport_mutex);
			return t;
		}
	}
	mutex_unlock(&transport_mutex);

	return NULL;
}

void iscsit_put_transport(struct iscsit_transport *t)
{
	module_put(t->owner);
}

void iscsit_register_transport(struct iscsit_transport *t)
{
	INIT_LIST_HEAD(&t->t_node);

	mutex_lock(&transport_mutex);
	list_add_tail(&t->t_node, &g_transport_list);
	mutex_unlock(&transport_mutex);

	pr_debug("Registered iSCSI transport: %s\n", t->name);
}
EXPORT_SYMBOL(iscsit_register_transport);

void iscsit_unregister_transport(struct iscsit_transport *t)
{
	mutex_lock(&transport_mutex);
	list_del(&t->t_node);
	mutex_unlock(&transport_mutex);

	pr_debug("Unregistered iSCSI transport: %s\n", t->name);
}
EXPORT_SYMBOL(iscsit_unregister_transport);

Annotation

Implementation Notes