#include <linux/spinlock.h>
#include <linux/list.h>
#include <linux/module.h>
#include <target/iscsi/iscsi_transport.h>

static LIST_HEAD(g_transport_list);
static DEFINE_MUTEX(transport_mutex);

struct iscsit_transport *iscsit_get_transport(int type)
{
	struct iscsit_transport *t;

	mutex_lock(&transport_mutex);
	list_for_each_entry(t, &g_transport_list, t_node) {
		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);
}

int 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);

	return 0;
}
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);
acket-rx-pump-back</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
<table class='tabs'><tr><td>
<a href='/cgit.cgi/linux/net-next.git/'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?id=d5e556c6a158893d9e50de3d4e7638f753ffd520'>refs</a><a class='active' href='/cgit.cgi/linux/net-next.git/log/net/irda/discovery.c'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/net/irda/discovery.c?id=d5e556c6a158893d9e50de3d4e7638f753ffd520'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/net/irda/discovery.c?id=d5e556c6a158893d9e50de3d4e7638f753ffd520'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/net/irda/discovery.c?id=d5e556c6a158893d9e50de3d4e7638f753ffd520'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/net/irda/discovery.c'>
<input type='hidden' name='id' value='d5e556c6a158893d9e50de3d4e7638f753ffd520'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?id=d5e556c6a158893d9e50de3d4e7638f753ffd520'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/net?id=d5e556c6a158893d9e50de3d4e7638f753ffd520'>net</a>/<a href='/cgit.cgi/linux/net-next.git/log/net/irda?id=d5e556c6a158893d9e50de3d4e7638f753ffd520'>irda</a>/<a href='/cgit.cgi/linux/net-next.git/log/net/irda/discovery.c?id=d5e556c6a158893d9e50de3d4e7638f753ffd520'>discovery.c</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/net/irda/discovery.c?id=d5e556c6a158893d9e50de3d4e7638f753ffd520&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
net-next.git/log/include/net/bluetooth/l2cap.h?id=3f6159dbfc24c5e61fb5deb9b69e0abb934609bb&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>