On 15/08/16 21:14, Christoph Hellwig wrote: > On Mon, Aug 15, 2016 at 11:43:12AM -0500, Shaun Tancheff wrote: >> Hmm ... Since REQ_SECURE implied REQ_DISCARD doesn't this >> mean that we should include REQ_OP_SECURE_ERASE checking >> wherever REQ_OP_DISCARD is being checked now in drivers/scsi/sd.c ? >> >> (It's only in 3 spots so it's a quickie patch) > > SCSI doesn't support secure erase operations. Only MMC really > supports it, plus the usual cargo culting in Xen blkfront that's > probably never been tested.. > I left SCSI out because support does not exist at the moment. However there is UFS which is seen as the replacement for eMMC. And there is a patch to add support for BLKSECDISCARD: http://marc.info/?l=linux-scsi&m=146953519016056 So SCSI will need updating if that is to go in. -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
