On Fri, Mar 30, 2012 at 08:26:06AM -0700, Tejun Heo wrote: > On Fri, Mar 30, 2012 at 05:53:52PM +0800, Ren Mingxin wrote: > > The current virtblk's naming algorithm only supports 263 disks. > > If there are mass of virtblks(exceeding 263), there will be disks > > with the same name. > > > > By renaming "sd_format_disk_name()" to "disk_name_format()" > > and moving it into block core, virtio_blk can use this function to > > support mass of disks. > > > > Signed-off-by: Ren Mingxin <renmx@xxxxxxxxxxxxxx> > > I guess it's already way too late but why couldn't they have been > named vdD-P where both D and P are integers denoting disk number and > partition number? Yes they could and yes it's way too late to change device names for virtio - if we did this will break countless setups. > [sh]dX's were created when there weren't supposed > to be too many disks, so we had to come up with the horrible alphabet > based numbering scheme but vd is new enough. I mean, naming is one > thing but who wants to figure out which sequence is or guess what > comes next vdzz9? :( > > If we're gonna move it to block layer, let's add big blinking red > comment saying "don't ever use it for any new driver". > > Thanks. Right. virtio would have to use the legacy one though. > -- > tejun -- 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
