linux-ext4 - Re: [PATCH] mke2fs: use lazy inode init on some discard-able devices

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] [day] [month] [year] [list]

Message-ID: <4C98D6EB.3040902@redhat.com>
Date:	Tue, 21 Sep 2010 11:01:47 -0500
From:	Eric Sandeen <sandeen@...hat.com>
To:	Andreas Dilger <adilger@...ger.ca>
CC:	"Ted Ts'o" <tytso@....edu>,
	ext4 development <linux-ext4@...r.kernel.org>
Subject: Re: [PATCH] mke2fs: use lazy inode init on some discard-able devices

On 09/21/2010 12:15 AM, Andreas Dilger wrote:
> On Fri, Aug 20, 2010 at 04:41:14PM -0500, Eric Sandeen wrote:
>> If a device supports discard -and- returns 0s for discarded blocks,
>> then we can skip the inode table initialization -and- the inode table
>> zeroing at mkfs time, and skip the lazy init as well since they are
>> already zeroed out.
> 
> Eric, do you have my patch for skipping the journal zeroing? If you
are already skipping the inode table zeroing (which is my bigger of a
deal) then you may as well skip zeroing the journal at the same time.

Hm good point.  Might be in my ext4 folder somewhere ;)

-Eric

> Cheers, Andreas

--
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