2 * Copyright (c) 1997-2014 Erez Zadok
3 * Copyright (c) 1990 Jan-Simon Pendry
4 * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
5 * Copyright (c) 1990 The Regents of the University of California.
8 * This code is derived from software contributed to Berkeley by
9 * Jan-Simon Pendry at Imperial College, London.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * File: am-utils/amd/amfs_linkx.c
41 * Symbol-link file system, with test that the target of the link exists.
46 #endif /* HAVE_CONFIG_H */
50 /* forward declarations */
51 static int amfs_linkx_mount(am_node *mp, mntfs *mf);
52 static int amfs_linkx_umount(am_node *mp, mntfs *mf);
57 struct am_ops amfs_linkx_ops =
61 0, /* amfs_linkx_init */
64 amfs_error_lookup_child,
65 amfs_error_mount_child,
67 0, /* amfs_linkx_readlink */
68 0, /* amfs_linkx_mounted */
69 0, /* amfs_linkx_umounted */
70 amfs_generic_find_srvr,
71 0, /* amfs_linkx_get_wchan */
74 AUTOFS_LINKX_FS_FLAGS,
75 #endif /* HAVE_FS_AUTOFS */
80 amfs_linkx_mount(am_node *mp, mntfs *mf)
83 * Check for existence of target.
90 else /* should never occur */
94 * Use lstat, not stat, since we don't
95 * want to know if the ultimate target of
96 * a symlink chain exists, just the first.
98 if (lstat(ln, &stb) < 0)
106 amfs_linkx_umount(am_node *mp, mntfs *mf)