blob: 549462e5b9b0633239a1b2766ce17433446874dc (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
/*
* 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"
#include "internal.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;
}
|
