Re: can't remove dir

[Louis-David Mitterrand <vindex+lists-xfs@apartia.org>]

On Mon, Oct 22, 2007 at 09:50:52AM +1000, David Chinner wrote:
> On Fri, Oct 19, 2007 at 12:10:08PM +0200, Louis-David Mitterrand wrote:
> > On Fri, Oct 19, 2007 at 08:07:14AM +1000, David Chinner wrote:
> > > On Thu, Oct 18, 2007 at 03:11:16PM +0200, Louis-David Mitterrand wrote:
> > > > On Thu, Oct 18, 2007 at 07:24:39AM +1000, David Chinner wrote:
> > > > > On Wed, Oct 17, 2007 at 06:15:04PM +0200, Louis-David Mitterrand wrote:
> > > > > > Using a 2.6.23 kernel and after a clean xfs_repair-2.9.4 run I can't 
> > > > > > remove that file:
> > > > > > 
> > > > > > sylla:/# rm /lost+found/3912672557
> > > > > > rm: cannot remove `/lost+found/3912672557': Operation not permitted
> > > > > > 
> > > > > > sylla:/# ls -li /lost+found/3912672557                                 
> > > > > > 3912672557 lrwxrwxrwx 1 root root 9 2006-04-09 19:10 /lost+found/3912672557 -> unix.7.gz
> > > > > 
> > > > > Can you post the output of:
> > > > > 
> > > > > # xfs_db -r -c "inode 3912672557" -c "p" <device>
> > > > 
> > > > Here:
> > > > 
> > > > core.magic = 0x494e
> > > > core.mode = 0120777
> > > > core.version = 1
> > > > core.format = 1 (local)
> > > > core.nlinkv1 = 1
> > > .....
> > > > core.immutable = 1
> > >   ^^^^^^^^^^^^^^^^^^
> > > 
> > > You can't remove this link until you remove the immutable flag.
> > > 
> > > # xfs_io -r -c "chattr -i" /lost+found/3912672557
> > 
> > sylla:~# xfs_io -r -c "chattr -i" /lost+found/3912672557 
> > /lost+found/3912672557: No such file or directory
> 
> Strange. This implies that lookup can't find inode # 3912672557.
> We know it is there...
> 
> How many other files in the directory? Can you get the inode number
> for the lost+found directory and dump that with xfs_db (as per above)?
> 
> Also, what happens if you "touch /lost+found/unix.7.gz" and try again?

sylla:/lost+found# touch /lost+found/unix.7.gz   

sylla:/lost+found# l
total 0
lrwxrwxrwx 1 root root 9 2006-04-09 19:10 3912672557 -> unix.7.gz
-rw-r--r-- 1 root root 0 2007-10-22 09:02 unix.7.gz

sylla:/lost+found# xfs_io -r -c "chattr -i" /lost+found/3912672557

sylla:/lost+found# rm 3912672557
rm: remove symbolic link `3912672557'? y
rm: cannot remove `3912672557': Operation not permitted