From: Al Viro <viro@ftp.linux.org.uk>
To: Linda Walsh <lkml@tlinx.org>
Cc: Linux-Kernel <linux-kernel@vger.kernel.org>,
linux-fsdevel@vger.kernel.org
Subject: Re: max symlink = 5? ?bug? ?feature deficit?
Date: Mon, 13 Feb 2006 00:08:03 +0000 [thread overview]
Message-ID: <20060213000803.GY27946@ftp.linux.org.uk> (raw)
In-Reply-To: <43EFBCA9.1090501@tlinx.org>
On Sun, Feb 12, 2006 at 02:54:33PM -0800, Linda Walsh wrote:
> Al Viro wrote:
> >Care to RTFS? I mean, really - at least to the point of seeing what's
> >involved in that recursion.
> >
> Hmmm...that's where I got the original parameter numbers, but
> I see it's not so straightforward. I tried a limit of
> 40, but I quickly get an OS hang when trying to reference a
> 13th link. Twelve works at the limit, but would take more testing
> to find out the bottleneck.
Sigh... 12 works at the limit on your particular config, filesystems
being used and syscall being issued (hint: amount of stuff on stack
before we enter mutual recursion varies; so does the amount of stuff
on stack we get from function that are not part of mutual recursion,
but are called from the damn thing).
next prev parent reply other threads:[~2006-02-13 0:08 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-11 3:31 max symlink = 5? ?bug? ?feature deficit? Linda Walsh
2006-02-12 10:27 ` Jan Engelhardt
2006-02-12 20:46 ` [PATCH] Use one constant to control MAX SYMLINKS in a name Linda Walsh
2006-02-12 21:16 ` Al Viro
2006-02-12 18:06 ` max symlink = 5? ?bug? ?feature deficit? Al Viro
2006-02-12 19:19 ` Dave Jones
2006-02-12 19:36 ` Matthew Wilcox
2006-02-12 19:48 ` Al Viro
2006-02-12 21:18 ` Linda Walsh
2006-02-12 21:25 ` Al Viro
2006-02-12 22:54 ` Linda Walsh
2006-02-13 0:08 ` Al Viro [this message]
2006-02-13 0:54 ` Linda Walsh
2006-02-13 7:37 ` Willy Tarreau
2006-02-13 7:48 ` Arjan van de Ven
2006-02-13 8:03 ` Willy Tarreau
2006-02-13 8:11 ` Al Viro
2006-02-13 14:10 ` Olivier Galibert
2006-02-13 8:20 ` Helge Hafting
-- strict thread matches above, loose matches on Subject: below --
2006-02-12 15:16 linux
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