linux-kernel - Re: [PATCH V10 04/11] Documentation/dax: Update Usage section

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Message-ID: <20200423050557.GG3758470@iweiny-DESK2.sc.intel.com>
Date:   Wed, 22 Apr 2020 22:05:57 -0700
From:   Ira Weiny <ira.weiny@...el.com>
To:     Yasunori Goto <y-goto@...itsu.com>
Cc:     linux-kernel@...r.kernel.org, linux-xfs@...r.kernel.org,
        "Darrick J. Wong" <darrick.wong@...cle.com>,
        Jan Kara <jack@...e.cz>, Al Viro <viro@...iv.linux.org.uk>,
        Dan Williams <dan.j.williams@...el.com>,
        Dave Chinner <david@...morbit.com>,
        Christoph Hellwig <hch@....de>,
        "Theodore Y. Ts'o" <tytso@....edu>, Jeff Moyer <jmoyer@...hat.com>,
        linux-ext4@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-api@...r.kernel.org
Subject: Re: [PATCH V10 04/11] Documentation/dax: Update Usage section

On Thu, Apr 23, 2020 at 11:33:26AM +0900, Yasunori Goto wrote:
> Hello,
> 
> I'm trying use your patch now, and I have a small comment in this document.
> 
> On 2020/04/23 6:20, ira.weiny@...el.com wrote:
> 
> > +To clarify inheritance here are 3 examples:
> > +
> > +Example A:
> > +
> > +mkdir -p a/b/c
> > +xfs_io 'chattr +x' a
> 
> Probably, "-c" is necessary here.
> 
> xfs_io -c 'chattr +x' a

Yes! Thanks!
> 
> 
> > +mkdir a/b/c/d
> > +mkdir a/e
> > +
> > +	dax: a,e
> > +	no dax: b,c,d
> > +
> > +Example B:
> > +
> > +mkdir a
> > +xfs_io 'chattr +x' a
> ditto
> > +mkdir -p a/b/c/d
> > +
> > +	dax: a,b,c,d
> > +	no dax:
> > +
> > +Example C:
> > +
> > +mkdir -p a/b/c
> > +xfs_io 'chattr +x' c
> ditto

Thank you!  Updated.
Ira

> > +mkdir a/b/c/d
> > +
> > +	dax: c,d
> > +	no dax: a,b
> > +
> > +
> 
> ---
> 
> Yasunori Goto
>