[RFC] vhost-blk implementation

Commit Message

Christoph Hellwig April 5, 2010, 7:23 p.m. UTC

None

Patch

Index: linux-2.6/drivers/vhost/blk.c
===================================================================
--- linux-2.6.orig/drivers/vhost/blk.c	2010-04-05 21:15:11.638004250 +0200
+++ linux-2.6/drivers/vhost/blk.c	2010-04-05 21:16:13.238004599 +0200
@@ -86,7 +86,7 @@  static void handle_blk(struct vhost_blk
 		nvecs++;
 		BUG_ON(vq->iov[nvecs].iov_len != 1);
 
-		if (copy_to_user(vq->iov[nvecs].iov_base, &status, sizeof status) < 0) {
+		if (copy_to_user(vq->iov[nvecs].iov_base, &status, sizeof status)) {
 			printk("copy to user failed\n");
 			vhost_discard_vq_desc(vq);
 			break;
@@ -199,7 +199,7 @@  static struct miscdevice vhost_blk_misc
 	&vhost_blk_fops,
 };
 
-int vhost_blk_init(void)
+static int vhost_blk_init(void)
 {
 	int r = vhost_init();
 	if (r)
@@ -216,7 +216,7 @@  err_init:
 }
 module_init(vhost_blk_init);
 
-void vhost_blk_exit(void)
+static void vhost_blk_exit(void)
 {
 	misc_deregister(&vhost_blk_misc);
 	vhost_cleanup();