From c1e34b64044318dde74a4cec24a91ff6415f1c48 Mon Sep 17 00:00:00 2001
From: Sagi Grimberg <sagig@mellanox.com>
Date: Mon, 26 Jan 2015 12:49:05 +0200
Subject: iscsi-target: Introduce session_get_next_ttt

Reduce code duplication.

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---
 include/target/iscsi/iscsi_target_core.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'include/target')

diff --git a/include/target/iscsi/iscsi_target_core.h b/include/target/iscsi/iscsi_target_core.h
index 09a522bae222..5f41a17bdafd 100644
--- a/include/target/iscsi/iscsi_target_core.h
+++ b/include/target/iscsi/iscsi_target_core.h
@@ -880,4 +880,17 @@ struct iscsit_global {
 	struct iscsi_portal_group	*discovery_tpg;
 };
 
+static inline u32 session_get_next_ttt(struct iscsi_session *session)
+{
+	u32 ttt;
+
+	spin_lock_bh(&session->ttt_lock);
+	ttt = session->targ_xfer_tag++;
+	if (ttt == 0xFFFFFFFF)
+		ttt = session->targ_xfer_tag++;
+	spin_unlock_bh(&session->ttt_lock);
+
+	return ttt;
+}
+
 #endif /* ISCSI_TARGET_CORE_H */
-- 
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