On 12/30/18 2:06 AM, Christoph Hellwig wrote: > On Thu, Dec 27, 2018 at 11:09:44AM -0500, Mike Snitzer wrote: >> - Fix various DM targets to check for device sector overflow if >> CONFIG_LBDAF is not set. > > Question to Jens and Linus: > > is there any good reason to keep the CONFIG_LBDAF=n option around? > Less than 2gig block devices seem to be an absolutele niche, and I > wonder if it is still worth maintaining the special case just for that. I'd be fine with removing it, I seriously doubt that the extended math is going to be noticeable at all. I'll try and run some null_blk testing as micro benchmarks when I'm back in a few days. -- Jens Axboe
