[SCSI] iscsi update: rm conn lock

>From erezz@voltaire.com:

rm conn->lock since it is not used anymore. The dataqueue is protected
by the session lock and xmitmutex.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Alex Aizman <itn780@yahoo.com>
Signed-off-by: Dmitry Yusupov <dmitry_yus@yahoo.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 0 insertions, 4 deletions

diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index d07d309ac026..0cd78b1d1aaa 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -244,12 +244,10 @@ iscsi_ctask_cleanup(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
         if (sc->sc_data_direction == DMA_TO_DEVICE) {
                 struct iscsi_data_task *dtask, *n;
                 /* WRITE: cleanup Data-Out's if any */
-                spin_lock(&conn->lock);
                 list_for_each_entry_safe(dtask, n, &ctask->dataqueue, item) {
                         list_del(&dtask->item);
                         mempool_free(dtask, ctask->datapool);
                 }
-                spin_unlock(&conn->lock);
         }
         ctask->xmstate = XMSTATE_IDLE;
         ctask->r2t = NULL;
@@ -2453,8 +2451,6 @@ iscsi_conn_create(struct iscsi_cls_session *cls_session, uint32_t conn_idx)
         conn->data_size = DEFAULT_MAX_RECV_DATA_SEGMENT_LENGTH;
         conn->max_recv_dlength = DEFAULT_MAX_RECV_DATA_SEGMENT_LENGTH;
 
-        spin_lock_init(&conn->lock);
-
         /* initialize general xmit PDU commands queue */
         conn->xmitqueue = kfifo_alloc(session->cmds_max * sizeof(void*),
                                         GFP_KERNEL, NULL);