"Martin K. Petersen" <martin.petersen@xxxxxxxxxx> writes: >>>>>> "Jeff" == Jeff Moyer <jmoyer@xxxxxxxxxx> writes: > > Jeff, > > Jeff> Are power of 2 zone sizes required by the standard? I see why > Jeff> you've done this, but I wonder if we're artificially limiting the > Jeff> implementation, and whether there will be valid devices on the > Jeff> market that simply won't work with Linux because of this. > > Standards are deliberately written to be permissive. But Linux doesn't > support arbitrary sector sizes either even though the spec allows it. We > always pick a reasonably sane subset of features to implement and this > case is no different. > > After some discussion we decided to rip out all the complexity that was > required to facilitate crazy drive layouts. As a result, the code is now > in a state where we can actually merge it. The hope is that by picking a > specific configuration subset and widely advertising it we can influence > the market. > > Also, I am not aware of anybody actually asking the drive vendors to > support crazy zone configurations. That's fine with me. I didn't see any mention of this design decision in the patch logs, though, and given that I'm not intimately involved, I asked the question. Thanks, Jeff -- 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
