On Thu, Feb 26, 2015 at 10:41:46AM +0200, Boaz Harrosh wrote: > > People systems have been using ramdisk with > smaller-than-page-size blocks in their mkfs. > > The 4K sectors is only important if we will be > using brd with a DAX filesystem. > > So only enable 4K sectors if DAX is configured 4k sectors are not a problem - we should be handling them fine and because it makes the ramdisk look like a 512e drive, no applications should fail, either. The main "unexpected" part about it was how much of xfstests didn't handle 4k sectors in mkfs output properly. This isn't a problem with the kernel change and so doesn't need fixing. Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html