can UBIFS be NFS exported

can UBIFS be NFS exported

[Norbert van Bolhuis]

just to make sure. UBIFS can not be NFS exported, is this correct ?

(I need NFS in our distributed system. The server uses UBIFS.
  But there is a ISO9660 image on our UBIFS and fortunately
  ISO(Z)FS can be NFS exported, so it's not a problem)

Re: can UBIFS be NFS exported

[Tadimarri Sarath Babu]

----- Original Message ----- 
From: "Norbert van Bolhuis" <nvbolhuis@aimvalley.nl>
To: <linux-mtd@lists.infradead.org>
Sent: Thursday, November 05, 2009 7:47 PM
Subject: can UBIFS be NFS exported


>
> just to make sure. UBIFS can not be NFS exported, is this correct ?
   Can you clarify on this ? I am able to use NFS as rootfs and mount ubifs over the OneNAND .
> (I need NFS in our distributed system. The server uses UBIFS.
>  But there is a ISO9660 image on our UBIFS and fortunately
>  ISO(Z)FS can be NFS exported, so it's not a problem)
>
>
>
Regards,
Sarath.
> ______________________________________________________
> Linux MTD discussion mailing list
> http://lists.infradead.org/mailman/listinfo/linux-mtd/ 

Re: can UBIFS be NFS exported

[Norbert van Bolhuis]

Tadimarri Sarath Babu wrote:
> ----- Original Message ----- 
> From: "Norbert van Bolhuis" <nvbolhuis@aimvalley.nl>
> To: <linux-mtd@lists.infradead.org>
> Sent: Thursday, November 05, 2009 7:47 PM
> Subject: can UBIFS be NFS exported
> 
> 
>> just to make sure. UBIFS can not be NFS exported, is this correct ?
>    Can you clarify on this ? I am able to use NFS as rootfs and mount ubifs over the OneNAND .
>> (I need NFS in our distributed system. The server uses UBIFS.
>>  But there is a ISO9660 image on our UBIFS and fortunately
>>  ISO(Z)FS can be NFS exported, so it's not a problem)
>>

I'm talking about the kernel nfsd ability to export UBIFS.
This would allow remote systems to NFS mount a UBIFS directory.

for this UBIFS should implement what's described in
Documentation/filesystems/Exporting. I don't see it for UBIFS.

For JFFS2 for example I see a jffs2_export_ops in fs/jffs2/super.c.

A user-space NFS server (e.g. unfs3) could probably export UBIFS.

In your case I think you're not exporting UBIFS but just use NFS for
your rootfs.

Re: can UBIFS be NFS exported

[Artem Bityutskiy]

On Thu, 2009-11-05 at 15:17 +0100, Norbert van Bolhuis wrote:
> just to make sure. UBIFS can not be NFS exported, is this correct ?
> 
> (I need NFS in our distributed system. The server uses UBIFS.
>   But there is a ISO9660 image on our UBIFS and fortunately
>   ISO(Z)FS can be NFS exported, so it's not a problem)

Hi, not, it does not support NFS and you would need to implement the
support. Hake a look here:

http://www.linux-mtd.infradead.org/faq/ubifs.html#L_nfs

(Rload the page, because I've just updated it)

-- 
Best Regards,
Artem Bityutskiy (Артём Битюцкий)