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: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <43ED5A7B.7040908@tlinx.org>
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20060213000803.GY27946@ftp.linux.org.uk \
--to=viro@ftp.linux.org.uk \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=lkml@tlinx.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).