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In-Reply-To: <20190304205006.GX23020@dastard>
From:   Eugene Syromyatnikov <evgsyr@gmail.com>
Date:   Mon, 4 Mar 2019 23:56:09 +0100
Message-ID: <CACGkJdsdVPKNOnhuAza=Lnh1b=KW2N2yycp6YxJ2tsLFxWJiYg@mail.gmail.com>
Subject: Re: [PATCH 2/2] statx.2: add project support update
To:     Dave Chinner <david@fromorbit.com>
Cc:     "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com>,
        Wang Shilong <wangshilong1991@gmail.com>,
        "linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
        Ext4 Developers List <linux-ext4@vger.kernel.org>,
        xfs <linux-xfs@vger.kernel.org>,
        linux-f2fs-devel@lists.sourceforge.net, lixi@ddn.com,
        Andreas Dilger <adilger@dilger.ca>,
        Wang Shilong <wshilong@ddn.com>,
        linux-man <linux-man@vger.kernel.org>,
        "Darrick J. Wong" <darrick.wong@oracle.com>
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Sender: linux-ext4-owner@vger.kernel.org
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On Mon, Mar 4, 2019 at 9:57 PM Dave Chinner <david@fromorbit.com> 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@gmail.com> wrote:
> > >
> > > From: Wang Shilong <wshilong@ddn.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

Project quotas also mentioned in quotactl(2).

-- 
Eugene Syromyatnikov
mailto:evgsyr@gmail.com
xmpp:esyr@jabber.{ru|org}