vhost_scsi: module rename

Rename module and update Kconfig and Makefile.
Add alias for compatibility with old userspace
scripts if any.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Asias He <asias@redhat.com>
Acked-by: Nicholas Bellinger <nab@linux-iscsi.org>

drivers/vhost/Kconfig

@@ -9,6 +9,10 @@ config VHOST_NET
 	  To compile this driver as a module, choose M here: the module will
 	  be called vhost_net.
 
-if STAGING
-source "drivers/vhost/Kconfig.tcm"
-endif
+config VHOST_SCSI
+	tristate "VHOST_SCSI TCM fabric driver"
+	depends on TARGET_CORE && EVENTFD && m
+	default n
+	---help---
+	Say M here to enable the vhost_scsi TCM fabric module
+	for use with virtio-scsi guests

drivers/vhost/Makefile

@@ -1,5 +1,5 @@
 obj-$(CONFIG_VHOST_NET) += vhost_net.o
 vhost_net-y := vhost.o net.o
 
-obj-$(CONFIG_TCM_VHOST) += tcm_vhost.o
-tcm_vhost-y := scsi.o
+obj-$(CONFIG_VHOST_SCSI) += vhost_scsi.o
+vhost_scsi-y := scsi.o

drivers/vhost/scsi.c

@@ -2136,7 +2136,8 @@ static void tcm_vhost_exit(void)
 	destroy_workqueue(tcm_vhost_workqueue);
 };
 
-MODULE_DESCRIPTION("TCM_VHOST series fabric driver");
+MODULE_DESCRIPTION("VHOST_SCSI series fabric driver");
+MODULE_ALIAS("tcm_vhost");
 MODULE_LICENSE("GPL");
 module_init(tcm_vhost_init);
 module_exit(tcm_vhost_exit);