Hi Dave, On Mon, 4 Mar 2019 at 21:50, Dave Chinner <david@xxxxxxxxxxxxx> wrote: > > On Mon, Mar 04, 2019 at 02:52:59PM +0100, Michael Kerrisk (man-pages) wrote: > > Hello Wang Shilong, > > > > On Fri, 1 Mar 2019 at 15:06, Wang Shilong <wangshilong1991@xxxxxxxxx> wrote: > > > > > > From: Wang Shilong <wshilong@xxxxxxx> > > > > I take it that these patches relate to some API changes that are not > > yet merged into the kernel, right? > > > > Also, I think we need some accompanying info to describe project IDs. > > Can you point me at any documents/resources? > > Probably "best" documented in the man pages that ship with xfsprogs. But, these IDs are a kernel construct, right? Is their scope limited just to XFS, or do other filesystems have the concept also? Cheers, Michael > Basically, it's just another quota ID that can be used to account > for files/directories in arbitrary admin defined groups. i.e. quotas > that aren't bound by user/group identities. > > $ man 8 xfs_quota > $ man 5 projects > $ man 5 projid