From: Pavel Machek <pavel@ucw.cz>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Michael Shields <mshields@google.com>,
rdunlap@xenotime.net, linux-ext4@vger.kernel.org,
linux-kernel@vger.kernel.org, trivial@kernel.org
Subject: Re: [PATCH] Doc fix: ext2 can only have 32,000 subdirs, not 32,768.
Date: Sat, 30 May 2009 13:37:24 +0200 [thread overview]
Message-ID: <20090530113724.GA1444@ucw.cz> (raw)
In-Reply-To: <20090527172045.f33b0b49.akpm@linux-foundation.org>
On Wed 2009-05-27 17:20:45, Andrew Morton wrote:
> On Mon, 18 May 2009 12:13:51 -0700
> Michael Shields <mshields@google.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
> > --
Maybe it would be better to increase EXT2_LINK_MAX to fit the docs?
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2009-05-30 11:37 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-18 19:13 [PATCH] Doc fix: ext2 can only have 32,000 subdirs, not 32,768 Michael Shields
2009-05-28 0:20 ` Andrew Morton
2009-05-30 11:37 ` Pavel Machek [this message]
2009-05-31 0:13 ` Andrew Morton
[not found] <63a2e74f0905181210i17640dd9ld2d5219f6bdd79b9@mail.gmail.com>
2009-05-27 15:27 ` Jiri Kosina
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