Re: [v3.7 Regression] [SCSI] sd: Implement support for WRITE SAME

From: Martin K. Petersen
Date: Wed Dec 19 2012 - 15:45:22 EST


>>>>> "Mike" == Mike Snitzer <snitzer@xxxxxxxxxx> writes:

Mike> But do we know mount to somwhow be issuing WRITE SAME requests?

I'm assuming that ext4 is somehow calling sb_issue_zeroout().


Mike> Martin, why is it you weren't able to reproduce (I haven't
Mike> attempted yet)?

Dunno.

But regardless of any bugs, WRITE SAME will still need some special
attention in the context of dm-crypt.

--
Martin K. Petersen Oracle Linux Engineering
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/