On Sun, Aug 16, 2009 at 09:00:35AM -0400, Mark Lord wrote: > Okay, this gives me ENOSYS now --> discard/trim support is missing from > the lower layers. ENOSYS or EOPNOTSUPP? > What other patches do I need to make this work? > > The latest from Matthew's discard tree (May 2009) don't appear to be sufficient, > even after updating them for 2.6.31-rc6. Hmm. That was kinda the reason why I didn't want to post stuff yet. In current mainline only MTD implements the prepare_discard_fn, and we'll need it implemented and working. I think Matthews patches should be sufficient, unless they have some ATA revision check to not issue the TRIM for your device. -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html