linux-kernel - Re: [PATCH] Doc fix: ext2 can only have 32,000 subdirs, not 32,768.

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]

Date:	Wed, 27 May 2009 17:20:45 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Michael Shields <mshields@...gle.com>
Cc:	rdunlap@...otime.net, linux-ext4@...r.kernel.org,
	linux-kernel@...r.kernel.org, trivial@...nel.org
Subject: Re: [PATCH] Doc fix: ext2 can only have 32,000 subdirs, not 32,768.

On Mon, 18 May 2009 12:13:51 -0700
Michael Shields <mshields@...gle.com> wrote:

> ext2.txt says that dirs can have 32,768 subdirs, but the actual value
> of EXT2_LINK_MAX is 32000.
> ext3 is the same, but the doc does not mention it. __One of ext4's
> features is to "fix 32000 subdirectory limit".
> 
> --- linux-2.6.29.3/Documentation/filesystems/ext2.txt.orig 2009-05-08
> 15:47:21.000000000 -0700
> +++ linux-2.6.29.3/Documentation/filesystems/ext2.txt 2009-05-18
> 12:03:58.000000000 -0700
> @@ -322,7 +322,7 @@ an upper limit on the block size imposed
> __so 8kB blocks are only allowed on Alpha systems (and other architectures
> __which support larger pages).
> 
> -There is an upper limit of 32768 subdirectories in a single directory.
> +There is an upper limit of 32000 subdirectories in a single directory.
> 
> __There is a "soft" upper limit of about 10-15k files in a single directory
> __with the current linear linked-list directory implementation. __This limit
> --

The patch is wordwrapped and has weird non-ascii characters in the
changelog text.  I fixed all that up.  Please fix your email client for
future patches.

Please include a Signed-off-by:, as described in
Documentation/SubmittingPatches, thanks.


--
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/