Re: [PATCH 4/8] Drivers: scsi: storvsc: Filter WRITE_SAME_16

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Jul 16, 2014 at 01:47:35PM -0400, Martin K. Petersen wrote:
> There were several SSDs that did not want to support wearing out flash
> by writing gobs of zeroes and only support the UNMAP case.

Given that SSDs usually aren't hard provisioned anyway that seems like
an odd decision.  But SAS SSD would be something I'd at least expect
to properly fail these..

> I don't have a problem with a BLIST_PREFER_UNMAP flag or something like
> that. But BLIST_TRY_VPD_PAGES seems more generally useful and it does
> fix the problem at hand. That's why I went that route.

As I said I'm perfectly fine with your patch and I think we'll find more
uses for it.  I'll apply it as soon as I get a second review.
--
To unsubscribe from this list: send the line "unsubscribe stable" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Kernel]     [Kernel Development Newbies]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Hiking]     [Linux Kernel]     [Linux SCSI]