Date: Tue, 14 Feb 2012 03:11:45 +0200
From: "Michael S. Tsirkin" <mst@redhat.com>
To: ronnie sahlberg <ronniesahlberg@gmail.com>
Cc: Hannes Reinecke <hare@suse.de>, Dor Laor <dlaor@redhat.com>,
        "Nicholas A. Bellinger" <nab@linux-iscsi.org>,
        Christian Borntraeger <borntraeger@de.ibm.com>,
        James Bottomley <James.Bottomley@hansenpartnership.com>,
        Paolo Bonzini <pbonzini@redhat.com>,
        Christian Hoff <christian.hoff@de.ibm.com>,
        borntrae@linux.vnet.ibm.com, kvm@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org,
        rusty@rustcorp.com.au, Stefan Hajnoczi <stefanha@gmail.com>,
        target-devel <target-devel@vger.kernel.org>
Subject: Re: Pe: [PATCH v5 1/3] virtio-scsi: first version
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On Tue, Feb 14, 2012 at 11:49:55AM +1100, ronnie sahlberg wrote:
> By just exposing this device to the kernel, the kernel keeps sending,
> or if not the kernel maybe some other process trying to poll the
> status?
> 
> every few seconds :
> PREVENT_ALLOW_MEDIUM_REMOVAL  prevent removal
> PREVENT_ALLOW_MEDIUM_REMOVAL  to immediatel change it back to allow
> removal again
> TEST_UNIT_READY
> 
> 
> After I run this
> mount /dev/sdd1 /mnt
> 
> The kernel sends a single
> PREVENT_ALLOW_MEDIUM_REMOVAL to prevent removal
> then every few seconds a
> TEST_UNIT_READY
> 
> 
> This is what it does for removable SBC disks. Maybe it does something
> differently for "permanent" SBC disks.
> 
> regards
> ronnie sahlberg

There used to be a daemon for this.

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