iscsi-target: move iscsit_thread_check_cpumask()

Move iscsit_thread_check_cpumask() to header
file so that ISCSI_HW_OFFLOAD and other transport drivers
can call this function to ensure both tx and rx thread
runs on same cpu.

Signed-off-by: Varun Prakash <varun@chelsio.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index a28eb87..28fc7fb 100644 (file)
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -3580,32 +3580,6 @@ void iscsit_thread_get_cpumask(struct iscsi_conn *conn)
        cpumask_setall(conn->conn_cpumask);
 }
 
-static inline void iscsit_thread_check_cpumask(
-       struct iscsi_conn *conn,
-       struct task_struct *p,
-       int mode)
-{
-       /*
-        * mode == 1 signals iscsi_target_tx_thread() usage.
-        * mode == 0 signals iscsi_target_rx_thread() usage.
-        */
-       if (mode == 1) {
-               if (!conn->conn_tx_reset_cpumask)
-                       return;
-               conn->conn_tx_reset_cpumask = 0;
-       } else {
-               if (!conn->conn_rx_reset_cpumask)
-                       return;
-               conn->conn_rx_reset_cpumask = 0;
-       }
-       /*
-        * Update the CPU mask for this single kthread so that
-        * both TX and RX kthreads are scheduled to run on the
-        * same CPU.
-        */
-       set_cpus_allowed_ptr(p, conn->conn_cpumask);
-}
-
 static int
 iscsit_immediate_queue(struct iscsi_conn *conn, struct iscsi_cmd *cmd, int state)
 {

diff --git a/include/target/iscsi/iscsi_target_core.h b/include/target/iscsi/iscsi_target_core.h
index c3371fa..01c41f2 100644 (file)
--- a/include/target/iscsi/iscsi_target_core.h
+++ b/include/target/iscsi/iscsi_target_core.h
@@ -890,4 +890,30 @@ static inline u32 session_get_next_ttt(struct iscsi_session *session)
 }
 
 extern struct iscsi_cmd *iscsit_find_cmd_from_itt(struct iscsi_conn *, itt_t);
+
+static inline void iscsit_thread_check_cpumask(
+       struct iscsi_conn *conn,
+       struct task_struct *p,
+       int mode)
+{
+       /*
+        * mode == 1 signals iscsi_target_tx_thread() usage.
+        * mode == 0 signals iscsi_target_rx_thread() usage.
+        */
+       if (mode == 1) {
+               if (!conn->conn_tx_reset_cpumask)
+                       return;
+               conn->conn_tx_reset_cpumask = 0;
+       } else {
+               if (!conn->conn_rx_reset_cpumask)
+                       return;
+               conn->conn_rx_reset_cpumask = 0;
+       }
+       /*
+        * Update the CPU mask for this single kthread so that
+        * both TX and RX kthreads are scheduled to run on the
+        * same CPU.
+        */
+       set_cpus_allowed_ptr(p, conn->conn_cpumask);
+}
 #endif /* ISCSI_TARGET_CORE_H */