linux-ext4 - Re: [PATCH 2/2] statx.2: add project support update

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Message-ID: <20190304205006.GX23020@dastard>
Date:   Tue, 5 Mar 2019 07:50:06 +1100
From:   Dave Chinner <david@...morbit.com>
To:     "Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>
Cc:     Wang Shilong <wangshilong1991@...il.com>,
        "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
        Ext4 Developers List <linux-ext4@...r.kernel.org>,
        xfs <linux-xfs@...r.kernel.org>,
        linux-f2fs-devel@...ts.sourceforge.net, lixi@....com,
        Andreas Dilger <adilger@...ger.ca>,
        Wang Shilong <wshilong@....com>,
        linux-man <linux-man@...r.kernel.org>,
        "Darrick J. Wong" <darrick.wong@...cle.com>
Subject: Re: [PATCH 2/2] statx.2: add project support update

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@...il.com> wrote:
> >
> > From: Wang Shilong <wshilong@....com>
> 
> 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.
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

Cheers,

Dave.
-- 
Dave Chinner
david@...morbit.com