From: Ira Weiny <ira.weiny@intel.com>
To: Yasunori Goto <y-goto@fujitsu.com>
Cc: linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org,
"Darrick J. Wong" <darrick.wong@oracle.com>,
Jan Kara <jack@suse.cz>, Al Viro <viro@zeniv.linux.org.uk>,
Dan Williams <dan.j.williams@intel.com>,
Dave Chinner <david@fromorbit.com>,
Christoph Hellwig <hch@lst.de>,
"Theodore Y. Ts'o" <tytso@mit.edu>,
Jeff Moyer <jmoyer@redhat.com>,
linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-api@vger.kernel.org
Subject: Re: [PATCH V10 04/11] Documentation/dax: Update Usage section
Date: Wed, 22 Apr 2020 22:05:57 -0700 [thread overview]
Message-ID: <20200423050557.GG3758470@iweiny-DESK2.sc.intel.com> (raw)
In-Reply-To: <2282176d-60c5-0e4b-3cf9-7a7682de380d@fujitsu.com>
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@intel.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
>
next prev parent reply other threads:[~2020-04-23 5:05 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-22 21:20 [PATCH V10 00/11] XFS - Enable per-file/per-directory DAX operations V10 ira.weiny
2020-04-22 21:20 ` [PATCH V10 01/11] fs/xfs: Remove unnecessary initialization of i_rwsem ira.weiny
2020-04-22 21:20 ` [PATCH V10 02/11] fs: Remove unneeded IS_DAX() check in io_is_direct() ira.weiny
2020-04-23 21:41 ` Dave Chinner
2020-04-22 21:20 ` [PATCH V10 03/11] fs/stat: Define DAX statx attribute ira.weiny
2020-04-22 21:20 ` [PATCH V10 04/11] Documentation/dax: Update Usage section ira.weiny
2020-04-23 2:33 ` Yasunori Goto
2020-04-23 5:05 ` Ira Weiny [this message]
2020-04-23 22:27 ` Dave Chinner
2020-04-23 23:25 ` Ira Weiny
2020-04-24 2:15 ` Dave Chinner
2020-04-24 5:55 ` Ira Weiny
2020-04-22 21:20 ` [PATCH V10 05/11] fs/xfs: Change XFS_MOUNT_DAX to XFS_MOUNT_DAX_ALWAYS ira.weiny
2020-04-23 22:27 ` Dave Chinner
2020-04-22 21:20 ` [PATCH V10 06/11] fs/xfs: Make DAX mount option a tri-state ira.weiny
2020-04-23 22:35 ` Dave Chinner
2020-04-23 23:33 ` Ira Weiny
2020-04-22 21:20 ` [PATCH V10 07/11] fs/xfs: Create function xfs_inode_should_enable_dax() ira.weiny
2020-04-23 22:36 ` Dave Chinner
2020-04-22 21:20 ` [PATCH V10 08/11] fs/xfs: Combine xfs_diflags_to_linux() and xfs_diflags_to_iflags() ira.weiny
2020-04-23 22:37 ` Dave Chinner
2020-04-22 21:21 ` [PATCH V10 09/11] fs: Lift XFS_IDONTCACHE to the VFS layer ira.weiny
2020-04-23 22:38 ` Dave Chinner
2020-04-22 21:21 ` [PATCH V10 10/11] fs: Introduce DCACHE_DONTCACHE ira.weiny
2020-04-23 8:40 ` Jan Kara
2020-04-23 22:57 ` Dave Chinner
2020-04-23 23:38 ` Ira Weiny
2020-04-22 21:21 ` [PATCH V10 11/11] fs/xfs: Update xfs_ioctl_setattr_dax_invalidate() ira.weiny
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