[linux-cifs-client] Loop mounting on cifs failed (continue)

[Aplemakh Aleksander]

Hi.

I done additional investigates and got follow results:

1. At first i determine my cifs version - it's 1.43
2. Next i tried to start up SAMBA server another version (above
experiments were done on 3.0.23a) - 3.0.10 and then successfully mounted
by cifs share and image on loop from it. So i suppose that problem is
around SAMBA but want to remember that smbfs works well (see below) with
3.0.23a too.

> I have SLES10 (2.6.16.21) with cifs version 1.45 and I could
> successfully do what you attempted.
> This is the output of mount command:  
> //192.168.uvw.xyz/tmpp on /cifsshare type cifs (rw,mand)
> /cifsshare/WEB.img on /mnt type iso9660 (ro,loop=/dev/loop0)
> 
> 
> Inactive hide details for Aplemakh Aleksander
> <Aleksander.Aplemakh at asplinux.ru>Aplemakh Aleksander
> <Aleksander.Aplemakh at asplinux.ru>
> 
> 
>                                 Aplemakh Aleksander
<Aleksander.Aplemakh at asplinux.ru> 
>                                 Sent by: linux-cifs-client-bounces
+shirishp=us.ibm.com at lists.samba.org 
>                                 
>                                 08/31/2006 02:27 AM 
>                                 Please respond to
>                                 Aleksander.Aplemakh at asplinux.ru
>                                 
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> linux-cifs-client at lists.samba.org
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> 
>           Subject
> 
> [linux-cifs-client] Loop mounting on cifs failed (continue)
> 
> 
> 
> Hi.
> 
> I already reported about subj:
> 
> > I tried to mount the cd image from cifs resource and got follow
> errors
> >
> > [root at dhcp8-130 ~]# mount -t iso9660 -o
> > loop,ro /mnt/smb/live.img /mnt/img/
> > mount: wrong fs type, bad option, bad superblock on /dev/loop2,
> >        missing codepage or other error
> >        In some cases useful info is found in syslog - try
> >        dmesg | tail  or so
> > 
> > [root at dhcp8-130 ~]# dmesg | tail
> > ISO 9660 Extensions: Microsoft Joliet Level 3
> > ISO 9660 Extensions: RRIP_1991A
> >  CIFS VFS: Send error in read = -13
> >  CIFS VFS: Send error in read = -13
> > isofs_fill_super: bread failed, dev=loop2, iso_blknum=16, block=32
> > 
> > /mnt/smb in sample is a path to cifs mountpoint
> > 
> > [root at dhcp8-130 ~]# mount
> > //192.168.8.130/tmp on /mnt/smb type cifs (rw,mand)
> > 
> > I can share same resource by NFS and mount same image without any
> > troubles. Merging strace outputs of mount commands on cifs and nfs
> > shares takes same results before mount syscall for loop device with
> > binded image file from cifs share which returns EINVAL.
> > 
> > Has anybody ideas about this problem?
> > 
> 
> And forgot to say that this experiment was done on 2.6.17 kernel. But
> i
> also did it on kernel 2.6.14 and took same result. Besides i try to
> mount on loop device image from share that was mounted with smbfs (in
> kernel 2.6.14 this FS type presents) and it was successful. I suppose
> that cifs has non good bug that limits functionality.
> 
> With best regards,
> Aleksander Aplemakh
> 
> 
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> 
> 
With best regards,
Aleksander Aplemakh