Signed-off-by: Bryan Schumaker <bjschuma@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
		
			
				
	
	
		
			49 lines
		
	
	
	
		
			1.2 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			49 lines
		
	
	
	
		
			1.2 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
/*
 | 
						|
* Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.
 | 
						|
* Written by David Howells (dhowells@redhat.com)
 | 
						|
*/
 | 
						|
 | 
						|
#include <linux/nfs_fs.h>
 | 
						|
#include "nfs4_fs.h"
 | 
						|
 | 
						|
#define NFSDBG_FACILITY		NFSDBG_CLIENT
 | 
						|
 | 
						|
int nfs4_get_rootfh(struct nfs_server *server, struct nfs_fh *mntfh)
 | 
						|
{
 | 
						|
	struct nfs_fsinfo fsinfo;
 | 
						|
	int ret = -ENOMEM;
 | 
						|
 | 
						|
	dprintk("--> nfs4_get_rootfh()\n");
 | 
						|
 | 
						|
	fsinfo.fattr = nfs_alloc_fattr();
 | 
						|
	if (fsinfo.fattr == NULL)
 | 
						|
		goto out;
 | 
						|
 | 
						|
	/* Start by getting the root filehandle from the server */
 | 
						|
	ret = nfs4_proc_get_rootfh(server, mntfh, &fsinfo);
 | 
						|
	if (ret < 0) {
 | 
						|
		dprintk("nfs4_get_rootfh: getroot error = %d\n", -ret);
 | 
						|
		goto out;
 | 
						|
	}
 | 
						|
 | 
						|
	if (!(fsinfo.fattr->valid & NFS_ATTR_FATTR_TYPE)
 | 
						|
			|| !S_ISDIR(fsinfo.fattr->mode)) {
 | 
						|
		printk(KERN_ERR "nfs4_get_rootfh:"
 | 
						|
		       " getroot encountered non-directory\n");
 | 
						|
		ret = -ENOTDIR;
 | 
						|
		goto out;
 | 
						|
	}
 | 
						|
 | 
						|
	if (fsinfo.fattr->valid & NFS_ATTR_FATTR_V4_REFERRAL) {
 | 
						|
		printk(KERN_ERR "nfs4_get_rootfh:"
 | 
						|
		       " getroot obtained referral\n");
 | 
						|
		ret = -EREMOTE;
 | 
						|
		goto out;
 | 
						|
	}
 | 
						|
 | 
						|
	memcpy(&server->fsid, &fsinfo.fattr->fsid, sizeof(server->fsid));
 | 
						|
out:
 | 
						|
	nfs_free_fattr(fsinfo.fattr);
 | 
						|
	dprintk("<-- nfs4_get_rootfh() = %d\n", ret);
 | 
						|
	return ret;
 | 
						|
}
 |