LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Ram Pai <linuxram@us.ibm.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Miklos Szeredi <miklos@szeredi.hu>,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	viro@ftp.linux.org.uk, a.p.zijlstra@chello.nl
Subject: Re: [RFC PATCH] vfs: optimization to /proc/<pid>/mountinfo patch
Date: Sun, 10 Feb 2008 23:36:31 -0800	[thread overview]
Message-ID: <1202715391.1942.9.camel@ram.us.ibm.com> (raw)
In-Reply-To: <20080204012849.08c593e1.akpm@linux-foundation.org>

On Mon, 2008-02-04 at 01:28 -0800, Andrew Morton wrote:
> On Mon, 04 Feb 2008 01:15:05 -0800 Ram Pai <linuxram@us.ibm.com> wrote:
> 
> > 1) reports deleted inode in dentry_path() consistent with that in __d_path()
> > 2) modified __d_path() to use prepend(), reducing the size of __d_path()
> > 3) moved all the functionality that reports mount information in /proc under
> > 	CONFIG_PROC_FS.
> > 
> > Could not verify if the code would work with CONFIG_PROC_FS=n, since it was
> > impossible to disable CONFIG_PROC_FS. Looking for ideas on how to disable
> > CONFIG_PROC_FS.

this worked. thanks. There was one place in ipv4 that failed compilation
with proc_fs disabled. Fixed that. Otherwise everything compiled
cleanly.

> 
> Do `make menuconfig', then hit '/' and search for "proc_fs".
> 
> It'll tell you that you need to set EMBEDDED=y to disable procfs.
> 
> >  fs/dcache.c              |   59 +++++++++++++++++++----------------------------
> >  fs/namespace.c           |    2 +
> >  fs/seq_file.c            |    2 +
> >  include/linux/dcache.h   |    3 ++
> >  include/linux/seq_file.h |    3 ++
> 
> Please resend after testing that, thanks.

with procfs disabled, the boot fails, since nash(fedora's startup
script) which links with libc.so library has dependencies on /proc. Nash
segfaults and so does init.  looking for ideas.

without passing this hurdle, its hard to test the patch :(
RP


  reply	other threads:[~2008-02-11  7:35 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-29 13:57 [patch] vfs: create /proc/<pid>/mountinfo Miklos Szeredi
2008-01-31  0:08 ` Andrew Morton
2008-01-31  9:17   ` Miklos Szeredi
2008-01-31 18:45     ` Ram Pai
2008-02-04  9:15       ` [RFC PATCH] vfs: optimization to /proc/<pid>/mountinfo patch Ram Pai
2008-02-04  9:28         ` Andrew Morton
2008-02-11  7:36           ` Ram Pai [this message]
2008-02-04 11:49         ` Miklos Szeredi

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=1202715391.1942.9.camel@ram.us.ibm.com \
    --to=linuxram@us.ibm.com \
    --cc=a.p.zijlstra@chello.nl \
    --cc=akpm@linux-foundation.org \
    --cc=linux-fsdevel@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=miklos@szeredi.hu \
    --cc=viro@ftp.linux.org.uk \
    --subject='Re: [RFC PATCH] vfs: optimization to /proc/<pid>/mountinfo patch' \
    /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

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).