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From: Christoph Hellwig <hch@infradead.org>
To: Jan Kara <jack@suse.cz>
Cc: Dave Chinner <david@fromorbit.com>,
	Christoph Hellwig <hch@infradead.org>,
	Theodore Ts'o <tytso@mit.edu>,
	linux-ext4@vger.kernel.org, Lukas Czerner <lczerner@redhat.com>,
	linux-xfs@vger.kernel.org
Subject: Re: [PATCH] ext4: introduce per-inode DAX flag
Date: Wed, 30 Aug 2017 05:34:50 -0700	[thread overview]
Message-ID: <20170830123450.GA14976@infradead.org> (raw)
In-Reply-To: <20170830100059.GC28354@quack2.suse.cz>

On Wed, Aug 30, 2017 at 12:00:59PM +0200, Jan Kara wrote:
> /dev/ram0 /mnt xfs rw,relatime,attr2,dax,inode64,noquota 0 0
> 
> marvin5:~/:[0]# ls /mnt/
> fsxfile  fsxfile.fsxgood  fsxfile.fsxlog
> 
> marvin5:~/:[0]# ./xfsprogs-dev/io/xfs_io -c 'lsattr' /mnt/fsxfile
> -p-------------- /mnt/fsxfile 
> 
> marvin5:~/:[0]# ./xfsprogs-dev/io/xfs_io -c 'chattr +x' /mnt/fsxfile
> 
> marvin5:~/:[0]# ./xfsprogs-dev/io/xfs_io -c 'lsattr' /mnt/fsxfile
> -p-------------- /mnt/fsxfile 
> 
> No DAX flag set and no error... What am I doing wrong?

Odd.  Even on a non-DAX device the flag sticks for me:

root@testvm:~# mount /dev/sda /mnt/
root@testvm:~# touch foo
root@testvm:~# cd /mnt/
root@testvm:/mnt# xfs_io -c 'chattr +x' foo
root@testvm:/mnt# xfs_io -c 'lsattr' foo
--------------x- foo

  reply	other threads:[~2017-08-30 12:34 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-02 16:09 [PATCH] ext4: introduce per-inode DAX flag Lukas Czerner
2017-08-05  8:46 ` Christoph Hellwig
2017-08-07 12:12   ` Lukas Czerner
2017-08-08  9:00     ` Lukas Czerner
2017-08-11 10:01       ` Christoph Hellwig
2017-08-11 12:11         ` Lukas Czerner
2017-08-11 12:58           ` Christoph Hellwig
2017-08-11 13:41             ` Lukas Czerner
2017-08-24 18:20               ` Theodore Ts'o
2017-08-25  7:54                 ` Christoph Hellwig
2017-08-25 15:14                   ` Theodore Ts'o
2017-08-25 15:40                     ` Christoph Hellwig
2017-08-25 16:28                       ` Theodore Ts'o
2017-08-25 23:33                       ` Dave Chinner
2017-08-28  7:38                         ` Christoph Hellwig
2017-08-28 10:10                           ` Dave Chinner
2017-08-29 15:49                             ` Jan Kara
2017-08-29 22:57                               ` Dave Chinner
2017-08-30 10:00                                 ` Jan Kara
2017-08-30 12:34                                   ` Christoph Hellwig [this message]
2017-08-30 15:00                                     ` Theodore Ts'o
2017-08-30 15:30                                       ` Lukas Czerner
2017-08-30 15:29                                     ` Jan Kara
2017-08-30 16:05                                   ` Jan Kara

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