projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| a38a9eac BS |
1 | /* |
| 2 | * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved. | |
| 3 | * Written by David Howells (dhowells@redhat.com) | |
| 4 | */ | |
| 5 | ||
| 6 | #include <linux/nfs_fs.h> | |
| 7 | #include "nfs4_fs.h" | |
| d6aa6a81 | 8 | #include "internal.h" |
| a38a9eac BS |
9 | |
| 10 | #define NFSDBG_FACILITY NFSDBG_CLIENT | |
| 11 | ||
| 5e6b1990 | 12 | int nfs4_get_rootfh(struct nfs_server *server, struct nfs_fh *mntfh, bool auth_probe) |
| a38a9eac BS |
13 | { |
| 14 | struct nfs_fsinfo fsinfo; | |
| 15 | int ret = -ENOMEM; | |
| 16 | ||
| a38a9eac BS |
17 | fsinfo.fattr = nfs_alloc_fattr(); |
| 18 | if (fsinfo.fattr == NULL) | |
| 19 | goto out; | |
| 20 | ||
| 21 | /* Start by getting the root filehandle from the server */ | |
| 5e6b1990 | 22 | ret = nfs4_proc_get_rootfh(server, mntfh, &fsinfo, auth_probe); |
| a38a9eac BS |
23 | if (ret < 0) { |
| 24 | dprintk("nfs4_get_rootfh: getroot error = %d\n", -ret); | |
| 25 | goto out; | |
| 26 | } | |
| 27 | ||
| 28 | if (!(fsinfo.fattr->valid & NFS_ATTR_FATTR_TYPE) | |
| 29 | || !S_ISDIR(fsinfo.fattr->mode)) { | |
| 30 | printk(KERN_ERR "nfs4_get_rootfh:" | |
| 31 | " getroot encountered non-directory\n"); | |
| 32 | ret = -ENOTDIR; | |
| 33 | goto out; | |
| 34 | } | |
| 35 | ||
| a38a9eac BS |
36 | memcpy(&server->fsid, &fsinfo.fattr->fsid, sizeof(server->fsid)); |
| 37 | out: | |
| 38 | nfs_free_fattr(fsinfo.fattr); | |
| a38a9eac BS |
39 | return ret; |
| 40 | } |