linux-ext4 - Re: ext4 64bit (disk >16TB) question

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: <20080715171902.GC8185@mit.edu>
Date:	Tue, 15 Jul 2008 13:19:03 -0400
From:	Theodore Tso <tytso@....edu>
To:	Goswin von Brederlow <goswin-v-b@....de>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: ext4 64bit (disk >16TB) question

On Tue, Jul 15, 2008 at 07:00:10PM +0200, Goswin von Brederlow wrote:
> The get_size() function (actual name is a bit longer) does use a blk_t
> * to store the disks size and returns EFBIG if the disk exceeds 2^32
> blocks. So now you have three choices:
> 
> 1) break abi:  get_size(blk64_t *size)
> 2) extend abi: get_size64(blk64_t *size);
> 3) versioned symbols: get_size_old(blk_t *size) + get_size_new(blk64_t
> *size) and versioned to use the right one.

... and I'm chosing choice (2a):

    get_size2(blk64_t *size);

							- Ted
--
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