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
52
53
54
55
56
57
58
59
60
61
62
63
64
|
/*
* Copyright (C) 2005-2009 Junjiro Okajima
*
* This program, aufs 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 of the License, 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "au_util.h"
static void usage(char *me)
{
fprintf(stderr,
"usage: %s aufs_mount_point list|cpup|flush\n"
"'list' shows the pseudo-linked inode numbers and filenames.\n"
"'cpup' copies-up all pseudo-link to the writeble branch.\n"
"'flush' calls 'cpup', and then 'mount -o remount,clean_plink=inum'\n"
"and remove the whiteouted plink.\n", me);
exit(EINVAL);
}
int main(int argc, char *argv[])
{
int err, cmd;
char *cwd;
if (argc != 3)
usage(argv[0]);
if (!strcmp(argv[2], "flush"))
cmd = AuPlink_FLUSH;
else if (!strcmp(argv[2], "list"))
cmd = AuPlink_LIST;
else if (!strcmp(argv[2], "cpup"))
cmd = AuPlink_CPUP;
else {
errno = EINVAL;
AuFin("%s", argv[2]);
cmd = 0; /* never reach here */
}
err = chdir(argv[1]);
if (err)
AuFin("chdir");
cwd = getcwd(NULL, 0); /* glibc */
if (!cwd)
AuFin("getcwd");
return au_plink(cwd, cmd, 1, 0);
}
|
