[PATCH 09/14] target/iscsi: add helpers to disable/shutdown all nps in a TPG

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Signed-off-by: David Disseldorp <ddiss@xxxxxxx>
---
 drivers/target/iscsi/iscsi_target_tpg.c | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/drivers/target/iscsi/iscsi_target_tpg.c b/drivers/target/iscsi/iscsi_target_tpg.c
index 5b5d044..37bc681 100644
--- a/drivers/target/iscsi/iscsi_target_tpg.c
+++ b/drivers/target/iscsi/iscsi_target_tpg.c
@@ -205,6 +205,37 @@ static void iscsit_clear_tpg_np_login_threads(
 	spin_unlock(&tpg->tpg_np_lock);
 }
 
+static void iscsit_shutdown_tpg_np_login_thread(
+	struct iscsi_tpg_np *tpg_np,
+	struct iscsi_portal_group *tpg)
+{
+	if (!tpg_np->tpg_np) {
+		pr_err("struct iscsi_tpg_np->tpg_np is NULL!\n");
+		return;
+	}
+
+	tpg_np->tpg_np->enabled = false;
+	iscsit_shutdown_np_thread(tpg_np->tpg_np, tpg_np, tpg);
+}
+
+static void iscsit_shutdown_tpg_np_login_threads(
+	struct iscsi_portal_group *tpg)
+{
+	struct iscsi_tpg_np *tpg_np;
+
+	spin_lock(&tpg->tpg_np_lock);
+	list_for_each_entry(tpg_np, &tpg->tpg_gnp_list, tpg_np_list) {
+		if (!tpg_np->tpg_np) {
+			pr_err("struct iscsi_tpg_np->tpg_np is NULL!\n");
+			continue;
+		}
+		spin_unlock(&tpg->tpg_np_lock);
+		iscsit_shutdown_tpg_np_login_thread(tpg_np, tpg);
+		spin_lock(&tpg->tpg_np_lock);
+	}
+	spin_unlock(&tpg->tpg_np_lock);
+}
+
 static int iscsit_enable_tpg_np_login_thread(
 	struct iscsi_tpg_np *tpg_np)
 {
-- 
2.1.4

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