linux-kernel - Re: [00/17] Large Blocksize Support V3

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: <20070507064925.GB19966@holomorphy.com>
Date:	Sun, 6 May 2007 23:49:25 -0700
From:	William Lee Irwin III <wli@...omorphy.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	David Chinner <dgc@....com>, Theodore Tso <tytso@....edu>,
	Andrew Morton <akpm@...ux-foundation.org>, clameter@....com,
	linux-kernel@...r.kernel.org, Mel Gorman <mel@...net.ie>,
	Jens Axboe <jens.axboe@...cle.com>,
	Badari Pulavarty <pbadari@...il.com>,
	Maxim Levitsky <maximlevitsky@...il.com>
Subject: Re: [00/17] Large Blocksize Support V3

David Chinner <dgc@....com> writes:
>> Right - so how do we efficiently  manipulate data inside a large
>> block that spans multiple discontigous pages if we don't vmap
>> it?

On Mon, May 07, 2007 at 12:43:19AM -0600, Eric W. Biederman wrote:
> You don't manipulate data except for copy_from_user, copy_to_user.
> That is easy comparatively to deal with, and certainly doesn't
> need vmap.
> Meta-data may be trickier, but a lot of that depends on your
> individual filesystem and how it organizes it's meta-data.

I wonder what happened to my pagearray patches.


-- wli
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/