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
51
|
/*
Copyright (C) 1994,95,96,97,2001 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2, or (at
your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "priv.h"
#include "io_S.h"
#include <string.h>
/* Implement io_stat as described in <hurd/io.defs>. */
kern_return_t
diskfs_S_io_stat (struct protid *cred,
io_statbuf_t *statbuf)
{
struct node *np;
if (!cred)
return EOPNOTSUPP;
np = cred->po->np;
mutex_lock (&np->lock);
iohelp_get_conch (&np->conch);
if (diskfs_synchronous)
diskfs_node_update (np, 1);
else
diskfs_set_node_times (np);
memcpy (statbuf, &np->dn_stat, sizeof (struct stat));
statbuf->st_mode &= ~(S_IATRANS | S_IROOT);
if (fshelp_translated (&np->transbox))
statbuf->st_mode |= S_IATRANS;
if (cred->po->shadow_root == np || np == diskfs_root_node)
statbuf->st_mode |= S_IROOT;
mutex_unlock (&np->lock);
return 0;
}
|
