linux-ext4 - Re: [PATCH 3/3] e2fsck: allow extent tree optimization to be disabled

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]

Message-ID: <20170417054505.ggou3yocbnqviqim@thunk.org>
Date:   Mon, 17 Apr 2017 01:45:05 -0400
From:   Theodore Ts'o <tytso@....edu>
To:     "Darrick J. Wong" <darrick.wong@...cle.com>
Cc:     Ext4 Developers List <linux-ext4@...r.kernel.org>
Subject: Re: [PATCH 3/3] e2fsck: allow extent tree optimization to be disabled

On Sun, Apr 16, 2017 at 12:24:30PM -0700, Darrick J. Wong wrote:
> 
> /me wonders if there's a way to detect that we're being run by
> initscripts/systemd/whatever on a device that is mounted ro, and skip
> the optimization step to avoid the reboot.

That wasn't actually the reason for this option; but adding feature
where which does this for the root file system mounted read-only, the
optimization is avoided would make sense, yes.

> OTOH I wonder why the initramfs (if available) doesn't just build in
> e2fsck and fsck the root device before mounting the fs...

Debian does this already.  RHEL is just behind the times.  :-)

       	    	 	   	   	- Ted