Re: [PATCH 2/3] scsi: add try_rc16 blacklist flag

2014-10-22 Thread Martin K. Petersen
> "Sitsofe" == Sitsofe Wheeler writes: >> Last time around we identified this as a problem with Microsoft's >> interpretation of the T10 SBC spec. And they promised that they are >> going to fix that. Sitsofe> OK but if we were happy to wait for Microsoft to fix the Sitsofe> problem on the

Re: [PATCH 2/3] scsi: add try_rc16 blacklist flag

2014-10-22 Thread Martin K. Petersen
Sitsofe == Sitsofe Wheeler sits...@gmail.com writes: Last time around we identified this as a problem with Microsoft's interpretation of the T10 SBC spec. And they promised that they are going to fix that. Sitsofe OK but if we were happy to wait for Microsoft to fix the Sitsofe problem on

Re: [PATCH 2/3] scsi: add try_rc16 blacklist flag

2014-10-20 Thread Sitsofe Wheeler
On Tue, Oct 14, 2014 at 09:08:28PM -0400, Martin K. Petersen wrote: > > "Sitsofe" == Sitsofe Wheeler writes: > > Sitsofe> Microsoft Hyper-V virtual disks currently only claim SPC-2 > Sitsofe> compliance causing the kernel skip checks for features such as > Sitsofe> thin provisioning even

Re: [PATCH 2/3] scsi: add try_rc16 blacklist flag

2014-10-20 Thread Sitsofe Wheeler
On Tue, Oct 14, 2014 at 09:08:28PM -0400, Martin K. Petersen wrote: Sitsofe == Sitsofe Wheeler sits...@gmail.com writes: Sitsofe Microsoft Hyper-V virtual disks currently only claim SPC-2 Sitsofe compliance causing the kernel skip checks for features such as Sitsofe thin provisioning even

RE: [PATCH 2/3] scsi: add try_rc16 blacklist flag

2014-10-14 Thread KY Srinivasan
r.kernel.org; > de...@linuxdriverproject.org; James E.J. Bottomley > Subject: Re: [PATCH 2/3] scsi: add try_rc16 blacklist flag > > >>>>> "Sitsofe" == Sitsofe Wheeler writes: > > Sitsofe> Microsoft Hyper-V virtual disks currently only claim SPC-2 &

Re: [PATCH 2/3] scsi: add try_rc16 blacklist flag

2014-10-14 Thread Martin K. Petersen
> "Sitsofe" == Sitsofe Wheeler writes: Sitsofe> Microsoft Hyper-V virtual disks currently only claim SPC-2 Sitsofe> compliance causing the kernel skip checks for features such as Sitsofe> thin provisioning even though the virtual disk advertises them. Last time around we identified this as

Re: [PATCH 2/3] scsi: add try_rc16 blacklist flag

2014-10-14 Thread Martin K. Petersen
Sitsofe == Sitsofe Wheeler sits...@gmail.com writes: Sitsofe Microsoft Hyper-V virtual disks currently only claim SPC-2 Sitsofe compliance causing the kernel skip checks for features such as Sitsofe thin provisioning even though the virtual disk advertises them. Last time around we identified

RE: [PATCH 2/3] scsi: add try_rc16 blacklist flag

2014-10-14 Thread KY Srinivasan
...@linuxdriverproject.org; James E.J. Bottomley Subject: Re: [PATCH 2/3] scsi: add try_rc16 blacklist flag Sitsofe == Sitsofe Wheeler sits...@gmail.com writes: Sitsofe Microsoft Hyper-V virtual disks currently only claim SPC-2 Sitsofe compliance causing the kernel skip checks for features

[PATCH 2/3] scsi: add try_rc16 blacklist flag

2014-10-10 Thread Sitsofe Wheeler
Microsoft Hyper-V virtual disks currently only claim SPC-2 compliance causing the kernel skip checks for features such as thin provisioning even though the virtual disk advertises them. Add a blacklist flag that can allow such devices to quirk past READ CAPACITY(16) guards. Signed-off-by:

[PATCH 2/3] scsi: add try_rc16 blacklist flag

2014-10-10 Thread Sitsofe Wheeler
Microsoft Hyper-V virtual disks currently only claim SPC-2 compliance causing the kernel skip checks for features such as thin provisioning even though the virtual disk advertises them. Add a blacklist flag that can allow such devices to quirk past READ CAPACITY(16) guards. Signed-off-by: