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]
Date:	Tue, 03 Jun 2008 12:10:18 -0500
From:	Eric Sandeen <sandeen@...hat.com>
To:	Thomas King <kingttx@...slinux.homelinux.org>
CC:	linux-ext4@...r.kernel.org
Subject: Re: Block size limited to Linux page size?

Thomas King wrote:
> To fill in one piece of information, I'm reading the maximum block size can be
> limited by the Linux page size, 4K on x86. Is this true in ext4?
> 
> I know this is a basic question, so thanks for humoring me.
> Tom King

Generally, yes.

There are patches:

ftp://ftp.kernel.org/pub/linux/kernel/people/christoph/largeblocksize/4/patches/

but I'm not sure what the current state of all that is, honestly...

Before it's discussed as a limitation though it'd be interesting to see
some recent benchmarks on how much it might actually matter.

>From some reports:
http://kerneltrap.org/Linux/Large_Blocksize_Performance

it may indeed help.

-Eric
--
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

Powered by blists - more mailing lists