On Mon, 2020-08-03 at 13:31 +0100, David Howells wrote: > Ian Kent <raven@xxxxxxxxxx> wrote: > > > > I'm changing it so that the fields are 64-bit, but initialised > > > with the > > > existing mount ID in the notifications set. The fsinfo set > > > changes that > > > to a unique ID. I'm tempted to make the unique IDs start at > > > UINT_MAX+1 to > > > disambiguate them. > > > > Mmm ... so what would I use as a mount id that's not used, like > > NULL > > for strings? > > Zero is skipped, so you could use that. > > > I'm using -1 now but changing this will mean I need something > > different. > > It's 64-bits, so you're not likely to see it reach -1, even if it > does start > at UINT_MAX+1. Ha, either or, I don't think it will be a problem, there's bound to be a few changes so the components using this will need to change a bit before it's finalized, shouldn't be a big deal I think. At least not for me and shouldn't be much for libmount either I think. Ian
