* do_sys_name_to_handle on UBIFS
@ 2014-12-17 12:39 Umut Tezduyar Lindskog
2014-12-19 2:17 ` hujianyang
0 siblings, 1 reply; 3+ messages in thread
From: Umut Tezduyar Lindskog @ 2014-12-17 12:39 UTC (permalink / raw)
To: linux-mtd@lists.infradead.org
Hi,
I have noticed that name_to_handle() system call is failing on UBIFS due to missing super_block.s_export_op. Is there a reason why this hasn’t been implemented on UBI?
Umut
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: do_sys_name_to_handle on UBIFS
2014-12-17 12:39 do_sys_name_to_handle on UBIFS Umut Tezduyar Lindskog
@ 2014-12-19 2:17 ` hujianyang
2014-12-19 7:15 ` Richard Weinberger
0 siblings, 1 reply; 3+ messages in thread
From: hujianyang @ 2014-12-19 2:17 UTC (permalink / raw)
To: Umut Tezduyar Lindskog; +Cc: linux-mtd@lists.infradead.org
On 2014/12/17 20:39, Umut Tezduyar Lindskog wrote:
> Hi,
>
> I have noticed that name_to_handle() system call is failing on UBIFS due to missing super_block.s_export_op. Is there a reason why this hasn’t been implemented on UBI?
>
As I know, this *struct export_operations* is used for nfsd. But
NFS is not supported with UBIFS. So I guess this is the reason
why super_block.s_export_op is missing.
http://www.linux-mtd.infradead.org/faq/ubifs.html#L_nfs
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: do_sys_name_to_handle on UBIFS
2014-12-19 2:17 ` hujianyang
@ 2014-12-19 7:15 ` Richard Weinberger
0 siblings, 0 replies; 3+ messages in thread
From: Richard Weinberger @ 2014-12-19 7:15 UTC (permalink / raw)
To: hujianyang; +Cc: linux-mtd@lists.infradead.org, Umut Tezduyar Lindskog
On Fri, Dec 19, 2014 at 3:17 AM, hujianyang <hujianyang@huawei.com> wrote:
> On 2014/12/17 20:39, Umut Tezduyar Lindskog wrote:
>> Hi,
>>
>> I have noticed that name_to_handle() system call is failing on UBIFS due to missing super_block.s_export_op. Is there a reason why this hasn’t been implemented on UBI?
>>
>
> As I know, this *struct export_operations* is used for nfsd. But
> NFS is not supported with UBIFS. So I guess this is the reason
> why super_block.s_export_op is missing.
This is correct. UBIFS is not exportable, so no handles for you. :-)
--
Thanks,
//richard
^ permalink raw reply [flat|nested] 3+ messages in thread
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2014-12-17 12:39 do_sys_name_to_handle on UBIFS Umut Tezduyar Lindskog
2014-12-19 2:17 ` hujianyang
2014-12-19 7:15 ` Richard Weinberger
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