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From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: "Luis R. Rodriguez" <mcgrof@kernel.org>
Cc: Eric Sandeen <sandeen@sandeen.net>,
	David Howells <dhowells@redhat.com>,
	xfs <linux-xfs@vger.kernel.org>, Tso Ted <tytso@mit.edu>,
	Nikolay Borisov <nborisov@suse.com>, Flex Liu <fliu@suse.com>,
	Jake Norris <jake.norris@suse.com>, Jan Kara <jack@suse.cz>
Subject: Re: [PATCH] xfs_repair: clear extra file attributes on symlinks
Date: Wed, 1 Nov 2017 22:23:06 -0700	[thread overview]
Message-ID: <20171102052306.GQ4911@magnolia> (raw)
In-Reply-To: <20171102003948.GG22894@wotan.suse.de>

On Thu, Nov 02, 2017 at 01:39:48AM +0100, Luis R. Rodriguez wrote:
> On Tue, Oct 31, 2017 at 03:43:20PM -0700, Darrick J. Wong wrote:
> > you shouldn't be able to set any DIFLAG/DIFLAG2 flags on special files.
> 
> Do we know for certain *all* DIFLAG/DIFLAG2 flags can *only* be set via
> an ioctl()?

I'm fairly sure that inode flags get set via ioctl, via inheritance at
creation time with only two exceptions*, but could you please take a look
at all the places we set inode di_flags/di_flags2 and report back?

--D

* The DAX flag can get set (I think?) via the mount option; and the
  REFLINK flag can be set on files via copy_file_range().

>   Luis
> --
> To unsubscribe from this list: send the line "unsubscribe linux-xfs" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html

  reply	other threads:[~2017-11-02  5:23 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-31 21:51 [PATCH] xfs_repair: clear extra file attributes on symlinks Luis R. Rodriguez
2017-10-31 22:12 ` Darrick J. Wong
2017-10-31 22:19   ` Luis R. Rodriguez
2017-10-31 22:41     ` [PATCH v2] " Luis R. Rodriguez
2017-10-31 22:43     ` [PATCH] " Darrick J. Wong
2017-10-31 23:10       ` Luis R. Rodriguez
2017-10-31 23:12         ` Eric Sandeen
2017-11-01 23:50           ` Luis R. Rodriguez
2018-04-26 23:50             ` Luis R. Rodriguez
2017-11-02  0:39       ` Luis R. Rodriguez
2017-11-02  5:23         ` Darrick J. Wong [this message]
2017-11-02 21:22           ` Dave Chinner

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