Re: [PATCH] dm-crypt: never use write same (was Re: [v3.7 Regression] [SCSI] sd: Implement support for WRITE SAME)

[Milan Broz]

(sorry, resending again, not sure if it was sent correctly)

On 07/13/2015 06:33 PM, Joseph Salisbury wrote:
> Hi Milan,
> 
> The Ubuntu kernel has been carrying this patch since the discussion[0]
> we were having about the bug.  I don't see that patch was ever included
> in mainline.  Do you happen to know if this patch is still needed or was
> the bug we were seeing fixed in some other way?

I think it was superseded by later Mike's approach to reverse the logic
- disable write same for all targets and require to explicitly allow it.

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/drivers/md/dm-table.c?id=c1a94672a830e01d58c7c7e8de530c3f136d6ff2
(+later patches)

So I think we do no need this patch upstream anymore.

Mike, am I right here?

Milan

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