On 07/17/2012 11:59 PM, James Bottomley wrote:
> On Tue, 2012-07-17 at 12:36 -0400, Christoph Hellwig wrote:
>> On Tue, Jul 17, 2012 at 10:11:57AM +0100, James Bottomley wrote:
>>> There's no such thing in the market today as a removable disk that's
>>> resizeable. Removable disks are for things
On 07/17/2012 11:59 PM, James Bottomley wrote:
On Tue, 2012-07-17 at 12:36 -0400, Christoph Hellwig wrote:
On Tue, Jul 17, 2012 at 10:11:57AM +0100, James Bottomley wrote:
There's no such thing in the market today as a removable disk that's
resizeable. Removable disks are for things like
On 07/17/2012 11:11 AM, James Bottomley wrote:
> On Tue, 2012-07-17 at 10:54 +0200, Paolo Bonzini wrote:
>> Il 17/07/2012 10:40, James Bottomley ha scritto:
>
> It's not specific to virtio-scsi, in fact I expect that virtio-scsi will
> be almost always used with non-removable disks.
On 07/17/2012 11:11 AM, James Bottomley wrote:
On Tue, 2012-07-17 at 10:54 +0200, Paolo Bonzini wrote:
Il 17/07/2012 10:40, James Bottomley ha scritto:
It's not specific to virtio-scsi, in fact I expect that virtio-scsi will
be almost always used with non-removable disks.
However, QEMU's
On Tue, 2012-07-17 at 12:36 -0400, Christoph Hellwig wrote:
> On Tue, Jul 17, 2012 at 10:11:57AM +0100, James Bottomley wrote:
> > 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.
Il 17/07/2012 20:49, Mike Christie ha scritto:
> > Not sure if we are talking about the same thing.
> >
> > So can virtio-scsi send a UA with asc/ascq that indicates the lun
> > changed size? Other drivers do this. I updated Hannes's patches the
> > other day to support UAs like those in
On 07/17/2012 12:45 PM, Mike Christie wrote:
> On 07/17/2012 10:47 AM, Paolo Bonzini wrote:
>> 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
On 07/17/2012 10:47 AM, Paolo Bonzini wrote:
> 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
On Tue, Jul 17, 2012 at 06:47:15PM +0200, Paolo Bonzini wrote:
> 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.
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
On Tue, Jul 17, 2012 at 10:11:57AM +0100, James Bottomley wrote:
> 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
On Tue, 2012-07-17 at 14:31 +0200, Paolo Bonzini wrote:
> Il 17/07/2012 14:21, James Bottomley ha scritto:
> >> Yes, I realize failing only on specific sense codes as I did it in the
> >> patch is not going to work. However, the other way round is not
> >> problematic (explicitly allow some sense
Il 17/07/2012 14:21, James Bottomley ha scritto:
>> Yes, I realize failing only on specific sense codes as I did it in the
>> patch is not going to work. However, the other way round is not
>> problematic (explicitly allow some sense codes, fail on all others).
>
> Heh, I once thought that, but
On Tue, 2012-07-17 at 11:28 +0200, Paolo Bonzini wrote:
> Il 17/07/2012 11:11, James Bottomley ha scritto:
> > We don't do stuff just because the standards allows it; just the
> > opposite: we try to use the smallest implementations from the standards
> > we can get away with just because the more
Il 17/07/2012 11:11, James Bottomley ha scritto:
> We don't do stuff just because the standards allows it; just the
> opposite: we try to use the smallest implementations from the standards
> we can get away with just because the more things we do, the more
> exceptions and broken devices we come
On Tue, 2012-07-17 at 10:54 +0200, Paolo Bonzini wrote:
> Il 17/07/2012 10:40, James Bottomley ha scritto:
> >> >
> >> > It's not specific to virtio-scsi, in fact I expect that virtio-scsi will
> >> > be almost always used with non-removable disks.
> >> >
> >> > However, QEMU's SCSI target is
Il 17/07/2012 10:40, James Bottomley ha scritto:
>> >
>> > It's not specific to virtio-scsi, in fact I expect that virtio-scsi will
>> > be almost always used with non-removable disks.
>> >
>> > However, QEMU's SCSI target is not used just for virtio-scsi (for
>> > example it can be used for USB
On Tue, 2012-07-17 at 10:34 +0200, Paolo Bonzini wrote:
> Il 17/07/2012 09:45, James Bottomley ha scritto:
> > On Mon, 2012-07-16 at 19:20 +0200, Paolo Bonzini wrote:
> >> Il 16/07/2012 18:18, James Bottomley ha scritto:
> > diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
>
Il 17/07/2012 09:45, James Bottomley ha scritto:
> On Mon, 2012-07-16 at 19:20 +0200, Paolo Bonzini wrote:
>> Il 16/07/2012 18:18, James Bottomley ha scritto:
> diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
> index b583277..6d8ca08 100644
> ---
On Mon, 2012-07-16 at 19:20 +0200, Paolo Bonzini wrote:
> Il 16/07/2012 18:18, James Bottomley ha scritto:
> >> > diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
> >> > index b583277..6d8ca08 100644
> >> > --- a/drivers/scsi/scsi_lib.c
> >> > +++ b/drivers/scsi/scsi_lib.c
> >> > @@
On Mon, 2012-07-16 at 19:20 +0200, Paolo Bonzini wrote:
Il 16/07/2012 18:18, James Bottomley ha scritto:
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index b583277..6d8ca08 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -843,8 +843,11 @@
Il 17/07/2012 09:45, James Bottomley ha scritto:
On Mon, 2012-07-16 at 19:20 +0200, Paolo Bonzini wrote:
Il 16/07/2012 18:18, James Bottomley ha scritto:
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index b583277..6d8ca08 100644
--- a/drivers/scsi/scsi_lib.c
+++
On Tue, 2012-07-17 at 10:34 +0200, Paolo Bonzini wrote:
Il 17/07/2012 09:45, James Bottomley ha scritto:
On Mon, 2012-07-16 at 19:20 +0200, Paolo Bonzini wrote:
Il 16/07/2012 18:18, James Bottomley ha scritto:
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index
Il 17/07/2012 10:40, James Bottomley ha scritto:
It's not specific to virtio-scsi, in fact I expect that virtio-scsi will
be almost always used with non-removable disks.
However, QEMU's SCSI target is not used just for virtio-scsi (for
example it can be used for USB storage), and it
On Tue, 2012-07-17 at 10:54 +0200, Paolo Bonzini wrote:
Il 17/07/2012 10:40, James Bottomley ha scritto:
It's not specific to virtio-scsi, in fact I expect that virtio-scsi will
be almost always used with non-removable disks.
However, QEMU's SCSI target is not used just for
Il 17/07/2012 11:11, James Bottomley ha scritto:
We don't do stuff just because the standards allows it; just the
opposite: we try to use the smallest implementations from the standards
we can get away with just because the more things we do, the more
exceptions and broken devices we come
On Tue, 2012-07-17 at 11:28 +0200, Paolo Bonzini wrote:
Il 17/07/2012 11:11, James Bottomley ha scritto:
We don't do stuff just because the standards allows it; just the
opposite: we try to use the smallest implementations from the standards
we can get away with just because the more things
Il 17/07/2012 14:21, James Bottomley ha scritto:
Yes, I realize failing only on specific sense codes as I did it in the
patch is not going to work. However, the other way round is not
problematic (explicitly allow some sense codes, fail on all others).
Heh, I once thought that, but there's
On Tue, 2012-07-17 at 14:31 +0200, Paolo Bonzini wrote:
Il 17/07/2012 14:21, James Bottomley ha scritto:
Yes, I realize failing only on specific sense codes as I did it in the
patch is not going to work. However, the other way round is not
problematic (explicitly allow some sense codes,
On Tue, Jul 17, 2012 at 10:11:57AM +0100, James Bottomley wrote:
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
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
On Tue, Jul 17, 2012 at 06:47:15PM +0200, Paolo Bonzini wrote:
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
On 07/17/2012 10:47 AM, Paolo Bonzini wrote:
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
On 07/17/2012 12:45 PM, Mike Christie wrote:
On 07/17/2012 10:47 AM, Paolo Bonzini wrote:
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
Il 17/07/2012 20:49, Mike Christie ha scritto:
Not sure if we are talking about the same thing.
So can virtio-scsi send a UA with asc/ascq that indicates the lun
changed size? Other drivers do this. I updated Hannes's patches the
other day to support UAs like those in userspace.
I
On Tue, 2012-07-17 at 12:36 -0400, Christoph Hellwig wrote:
On Tue, Jul 17, 2012 at 10:11:57AM +0100, James Bottomley wrote:
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.
Il 16/07/2012 18:18, James Bottomley ha scritto:
>> > diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
>> > index b583277..6d8ca08 100644
>> > --- a/drivers/scsi/scsi_lib.c
>> > +++ b/drivers/scsi/scsi_lib.c
>> > @@ -843,8 +843,11 @@ void scsi_io_completion(struct scsi_cmnd *cmd,
>>
On Mon, 2012-07-16 at 18:06 +0200, Paolo Bonzini wrote:
> Right now, I/O will fail as soon as a unit attention condition is
> detected on a unit with removable media. However, this is not
> always necessary. There are some cases (such as "Capacity data
> has changed") where no particular action
Right now, I/O will fail as soon as a unit attention condition is
detected on a unit with removable media. However, this is not
always necessary. There are some cases (such as "Capacity data
has changed") where no particular action is needed. On the
other hand, all problematic cases have to
Right now, I/O will fail as soon as a unit attention condition is
detected on a unit with removable media. However, this is not
always necessary. There are some cases (such as Capacity data
has changed) where no particular action is needed. On the
other hand, all problematic cases have to
On Mon, 2012-07-16 at 18:06 +0200, Paolo Bonzini wrote:
Right now, I/O will fail as soon as a unit attention condition is
detected on a unit with removable media. However, this is not
always necessary. There are some cases (such as Capacity data
has changed) where no particular action is
Il 16/07/2012 18:18, James Bottomley ha scritto:
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index b583277..6d8ca08 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -843,8 +843,11 @@ void scsi_io_completion(struct scsi_cmnd *cmd,
unsigned int
42 matches
Mail list logo
