linux-ext4 - Re: [PATCH] ext4: make huge file flag user visible.

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: Windows password security audit tool. GUI, reports in PDF.

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

Date:   Wed, 24 Jan 2018 23:48:14 -0800
From:   Tyson Nottingham <tgnottingham@...il.com>
To:     "Darrick J. Wong" <darrick.wong@...cle.com>
Cc:     linux-ext4@...r.kernel.org, tytso@....edu, adilger.kernel@...ger.ca
Subject: Re: [PATCH] ext4: make huge file flag user visible.

On Tue, Jan 23, 2018 at 09:09:30PM -0800, Darrick J. Wong wrote:

> > Pardon my asking, but why is this necessary?  Are there
> > userspace-visible effects of this flag?
> 
> Ahh, the chattr man page says that 'h' means HUGE_FILE_FL, but I guess
> ext4 won't report it to userspace...?
> 
> <shrug> XFS won't either, maybe we just kill the 'h' option? :)

Thanks for responses. Yes, I was just trying to make ext4 consistent with the
man page. Since apparently the flag was intended to be user visible at some
point, I thought it would be fine to make it so. As you said, removing it from
chattr/lsattr is another option. I'll do whatever I'm told. :)

Tyson