qubes-linux-kernel/0006-pvops-xen-blkfront-handle-FDEJECT-as-detach-request-.patch

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From 6b4db8c77bd178701b3f501135ab3be08cdc43ac Mon Sep 17 00:00:00 2001
From: Marek Marczykowski <marmarek@invisiblethingslab.com>
Date: Sun, 15 Jul 2012 19:57:47 +0200
Subject: [PATCH] pvops/xen-blkfront: handle FDEJECT as detach request (#630)
---
drivers/block/xen-blkfront.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 2541d8c38336..3f6df7d98265 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -47,6 +47,7 @@
#include <linux/bitmap.h>
#include <linux/list.h>
#include <linux/workqueue.h>
+#include <linux/fd.h>
#include <xen/xen.h>
#include <xen/xenbus.h>
@@ -511,6 +512,9 @@ static int blkif_ioctl(struct block_device *bdev, fmode_t mode,
return 0;
return -EINVAL;
}
+ case FDEJECT:
+ xenbus_switch_state(info->xbdev, XenbusStateClosing);
+ return 0;
default:
/*printk(KERN_ALERT "ioctl %08x not supported by Xen blkdev\n",
--
2.17.1