At 21:17 31/01/02, Eli Carter wrote:
>Anton Altaparmakov wrote:
> >
> > On Thu, 31 Jan 2002, Eli Carter wrote:
> > > It appears that struct inode i_ino has a special value of 0. I don't
> > > see a mention of that in vfs.txt, and I haven't found anything obvious
> > > in the fs code... Would it be possible to add some documentation of
> > > that, along with an explaination of what i_ino==0 is supposed to
> > > indicate? (Bad/invalid inode?)
> >
> > i_ino = 0 is perfectly valid and is in fact one of the system files in
> > NTFS. And accessing inode 0 from user space works fine, too. The only
> > thing which is odd is that a simple "ls" (or "ls -l") doesn't show the
> > file with i_ino=0, while an explicit ls a-la "ls \$MFT" (or "ls -l \$MFT")
> > does show the file. I believe this to be purely a userspace problem but
> > when I looked at the /bin/ls source I got scared and ran away... A short
> > investigation into /bin/ls source didn't make anything obvious appear but
> > I do think it is /bin/ls at fault and not the kernel...
> >
> > So I guess my point is that i_ino=0 is not special as far as the kernel is
> > concerned.
>
>Hmm... 'ls -al' doesn't show the file for me. I was using i_ino=0 for
>the root inode, and found that 'ls -al' did not display '.' or '..'. It
>very well may be a user-space error... do you know who I should ask
>about it?
<bug-fileutils@gnu.org> might be a good start...
Or one of the people who wrote it? To quote from the top of ls.c:
----snip----
/* Written by Richard Stallman and David MacKenzie. */
/* Color support by Peter Anvin <Peter.Anvin@linux.org> and Dennis
Flaherty <dennisf@denix.elk.miles.com> based on original patches by
Greg Lee <lee@uhunix.uhcc.hawaii.edu>. */
----snip----
Anton
>TIA,
>
>Eli
>--------------------. Real Users find the one combination of bizarre
>Eli Carter \ input values that shuts down the system for days.
>eli.carter(a)inet.com `-------------------------------------------------
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-- "I've not lost my mind. It's backed up on tape somewhere." - Unknown -- Anton Altaparmakov <aia21 at cam.ac.uk> (replace at with @) Linux NTFS Maintainer / WWW: http://linux-ntfs.sf.net/ ICQ: 8561279 / WWW: http://www-stu.christs.cam.ac.uk/~aia21/- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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