linux-ext4 - Re: [PATCH V10 04/11] Documentation/dax: Update Usage section

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Date:   Thu, 23 Apr 2020 11:33:26 +0900
From:   Yasunori Goto <y-goto@...itsu.com>
To:     ira.weiny@...el.com, linux-kernel@...r.kernel.org,
        linux-xfs@...r.kernel.org,
        "Darrick J. Wong" <darrick.wong@...cle.com>
Cc:     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

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


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

---

Yasunori Goto