From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from szxga02-in.huawei.com ([119.145.14.65]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Y1n9b-0000wl-L7 for linux-mtd@lists.infradead.org; Fri, 19 Dec 2014 02:18:56 +0000 Message-ID: <54938ACF.3020904@huawei.com> Date: Fri, 19 Dec 2014 10:17:51 +0800 From: hujianyang MIME-Version: 1.0 To: Umut Tezduyar Lindskog Subject: Re: do_sys_name_to_handle on UBIFS References: <8EE5FC3D-A32C-4D02-B5AB-0A6E549F3E43@axis.com> In-Reply-To: <8EE5FC3D-A32C-4D02-B5AB-0A6E549F3E43@axis.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit Cc: "linux-mtd@lists.infradead.org" List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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