[SCSI] iscsi: remove session/conn_data_size from iscsi_transport

This removes the session and conn data_size fields from the iscsi_transport.
Just pass in the value like with host allocation. This patch also makes
it so the LLD iscsi_conn data is allocated with the iscsi_cls_conn.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 12 insertions, 12 deletions

diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 6fdaa2ee6632..6b8516a0970b 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -483,12 +483,12 @@ static int iscsi_unbind_session(struct iscsi_cls_session *session)
 }
 
 struct iscsi_cls_session *
-iscsi_alloc_session(struct Scsi_Host *shost,
-                    struct iscsi_transport *transport)
+iscsi_alloc_session(struct Scsi_Host *shost, struct iscsi_transport *transport,
+                    int dd_size)
 {
         struct iscsi_cls_session *session;
 
-        session = kzalloc(sizeof(*session) + transport->sessiondata_size,
+        session = kzalloc(sizeof(*session) + dd_size,
                           GFP_KERNEL);
         if (!session)
                 return NULL;
@@ -510,7 +510,7 @@ iscsi_alloc_session(struct Scsi_Host *shost,
         session->dev.parent = &shost->shost_gendev;
         session->dev.release = iscsi_session_release;
         device_initialize(&session->dev);
-        if (transport->sessiondata_size)
+        if (dd_size)
                 session->dd_data = &session[1];
         return session;
 }
@@ -558,18 +558,18 @@ EXPORT_SYMBOL_GPL(iscsi_add_session);
  * iscsi_create_session - create iscsi class session
  * @shost: scsi host
  * @transport: iscsi transport
+ * @dd_size: private driver data size
  * @target_id: which target
  *
  * This can be called from a LLD or iscsi_transport.
  */
 struct iscsi_cls_session *
-iscsi_create_session(struct Scsi_Host *shost,
-                     struct iscsi_transport *transport,
-                     unsigned int target_id)
+iscsi_create_session(struct Scsi_Host *shost, struct iscsi_transport *transport,
+                     int dd_size, unsigned int target_id)
 {
         struct iscsi_cls_session *session;
 
-        session = iscsi_alloc_session(shost, transport);
+        session = iscsi_alloc_session(shost, transport, dd_size);
         if (!session)
                 return NULL;
 
@@ -671,6 +671,7 @@ EXPORT_SYMBOL_GPL(iscsi_destroy_session);
 /**
  * iscsi_create_conn - create iscsi class connection
  * @session: iscsi cls session
+ * @dd_size: private driver data size
  * @cid: connection id
  *
  * This can be called from a LLD or iscsi_transport. The connection
@@ -683,18 +684,17 @@ EXPORT_SYMBOL_GPL(iscsi_destroy_session);
  * non-zero.
  */
 struct iscsi_cls_conn *
-iscsi_create_conn(struct iscsi_cls_session *session, uint32_t cid)
+iscsi_create_conn(struct iscsi_cls_session *session, int dd_size, uint32_t cid)
 {
         struct iscsi_transport *transport = session->transport;
         struct iscsi_cls_conn *conn;
         unsigned long flags;
         int err;
 
-        conn = kzalloc(sizeof(*conn) + transport->conndata_size, GFP_KERNEL);
+        conn = kzalloc(sizeof(*conn) + dd_size, GFP_KERNEL);
         if (!conn)
                 return NULL;
-
-        if (transport->conndata_size)
+        if (dd_size)
                 conn->dd_data = &conn[1];
 
         INIT_LIST_HEAD(&conn->conn_list);