On Tue, Jun 17, 2014 at 6:54 AM, Theodore Ts'o <tytso@xxxxxxx> wrote: > > There's an assumption here that the eMMC SECDISCARD functionality is > more competently spec'ed out compared to the ATA/SCSI interface. I'm > not sure whether or not that's true, but perhaps JP and Geremy can > confirm that. We only care about the eMMC spec. In the eMMC spec there is no room for ignoring the commands. If the card declares it can do a secure erase/trim it must do it as per the spec. JEDEC Standard No. 84-A441 7.6.9 Secure Erase 7.6.10 Secure Trim -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
