linux-ext4 - Re: [PATCH v2] ext4: Deprecate data=journal mount option

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20110815111902.GA6597@quack.suse.cz>
Date:	Mon, 15 Aug 2011 13:19:02 +0200
From:	Jan Kara <jack@...e.cz>
To:	Ted Ts'o <tytso@....edu>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Lukas Czerner <lczerner@...hat.com>,
	Curt Wohlgemuth <curtw@...gle.com>,
	Ric Wheeler <rwheeler@...hat.com>,
	Andreas Dilger <adilger@...ger.ca>,
	linux-ext4 List <linux-ext4@...r.kernel.org>,
	Jan Kara <jack@...e.cz>, Eric Sandeen <sandeen@...hat.com>
Subject: Re: [PATCH v2] ext4: Deprecate data=journal mount option

On Sat 13-08-11 22:06:17, Ted Tso wrote:
> On Fri, Aug 12, 2011 at 04:57:19PM -0400, Christoph Hellwig wrote:
> > > and differences in error code returns for
> > > xattrs) and #79 (a failure in the append-only handling which I don't
> > > completely understand yet).
> > 
> > This was discussed on fsdevel lately.  All filesystem but xfs inherit
> > the append only bit from directories to files created inside them.
> > This not only is not very useful behaviour, but also exposes a bug
> > in the vfs that allows to create these new files, but fail the open
> > unless using O_APPEND which is against the posix create semantics.
> 
> I agree that disabling inheritance of the APPEND_FL flag makes sense.
> I propose we do this for ext2/3/4 and any other file systems which is
> currently following the ext2/3/4 behavior.
> 
> Any objections?
  I'm fine with that. It also looks more like a bug (ommission) than
anything else.

								Honza
-- 
Jan Kara <jack@...e.cz>
SUSE Labs, CR
--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html