linux-kernel - Re: [PATCH] sd: do not set changed flag on all unit attention conditions

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Message-ID: <50059713.7090606@redhat.com>
Date:	Tue, 17 Jul 2012 18:47:15 +0200
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	Christoph Hellwig <hch@...radead.org>
CC:	James Bottomley <James.Bottomley@...senPartnership.com>,
	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org
Subject: Re: [PATCH] sd: do not set changed flag on all unit attention conditions

Il 17/07/2012 18:36, Christoph Hellwig ha scritto:
>> > There's no such thing in the market today as a removable disk that's
>> > resizeable.  Removable disks are for things like backup cartridges and
>> > ageing jazz drives.  Worse: most removeable devices today are USB card
>> > readers whose standards compliance varies from iffy to non existent.
>> > Resizeable disks are currently the province of storage arrays.
> The virtual disks exported by aacraid are both marked removable and
> can be resized.

Do they report resizing via unit attention?  I can skip this part on
removable virtio-scsi disks if that's what real hardware does, it would
also work.

Paolo


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