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author | obrien <obrien@FreeBSD.org> | 2007-12-05 16:05:26 +0000 |
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committer | obrien <obrien@FreeBSD.org> | 2007-12-05 16:05:26 +0000 |
commit | f4308c36bd85c3c72770d43b2eb2455475aa0709 (patch) | |
tree | 8bfe04aea54e7d192734d968d0ca803f8536ba19 /contrib | |
parent | 7e2d4bec862a7f026d5594f26ff403e88fa26776 (diff) | |
download | FreeBSD-src-f4308c36bd85c3c72770d43b2eb2455475aa0709.zip FreeBSD-src-f4308c36bd85c3c72770d43b2eb2455475aa0709.tar.gz |
2005-03-05 Ion Badulescu <ionut@moisil.badula.org>
* amd/amfs_inherit.c: removed, dead code
Diffstat (limited to 'contrib')
-rw-r--r-- | contrib/amd/amd/amfs_inherit.c | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/contrib/amd/amd/amfs_inherit.c b/contrib/amd/amd/amfs_inherit.c deleted file mode 100644 index 3e86c4d..0000000 --- a/contrib/amd/amd/amfs_inherit.c +++ /dev/null @@ -1,200 +0,0 @@ -/* - * Copyright (c) 1997-2004 Erez Zadok - * Copyright (c) 1989 Jan-Simon Pendry - * Copyright (c) 1989 Imperial College of Science, Technology & Medicine - * Copyright (c) 1989 The Regents of the University of California. - * All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Jan-Simon Pendry at Imperial College, London. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgment: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * %W% (Berkeley) %G% - * - * $Id: amfs_inherit.c,v 1.3.2.4 2004/01/06 03:15:16 ezk Exp $ - * - */ - -/* - * Inheritance file system. - */ - -#ifdef HAVE_CONFIG_H -# include <config.h> -#endif /* HAVE_CONFIG_H */ -#include <am_defs.h> -#include <amd.h> - -/* - * This implements a filesystem restart. - * - * This is a *gross* hack - it knows far too - * much about the way other parts of the - * system work. See restart.c too. - */ - -static char *amfs_inherit_match(am_opts *fo); -static int amfs_inherit_fmount(mntfs *mf); -static int amfs_inherit_fumount(mntfs *mf); -static int amfs_inherit_init(mntfs *mf); -static int amfs_inherit_mount(am_node *mp); - - -/* - * Ops structure - */ -am_ops amfs_inherit_ops = -{ - "inherit", - amfs_inherit_match, - amfs_inherit_init, - amfs_inherit_mount, - amfs_inherit_fmount, - amfs_auto_fumount, - amfs_inherit_fumount, - amfs_error_lookuppn, - amfs_error_readdir, - 0, /* amfs_inherit_readlink */ - 0, /* amfs_inherit_mounted */ - 0, /* amfs_inherit_umounted */ - find_amfs_auto_srvr, - FS_DISCARD -}; - - -/* - * This should never be called. - */ -static char * -amfs_inherit_match(am_opts *fo) -{ - plog(XLOG_FATAL, "amfs_inherit_match called!"); - return 0; -} - - -static int -amfs_inherit_init(mntfs *mf) -{ - mntfs *mf_link = (mntfs *) mf->mf_private; - - if (mf_link == 0) { - plog(XLOG_ERROR, "Remount collision on %s?", mf->mf_mount); - plog(XLOG_FATAL, "Attempting to init not-a-filesystem"); - return EINVAL; - } - - if (mf_link->mf_ops->fs_init) - return (*mf_link->mf_ops->fs_init) (mf_link); - return 0; -} - - -/* - * Take the linked mount point and - * propagate. - */ -static mntfs * -amfs_inherit_inherit(mntfs *mf) -{ - mntfs *mf_link = (mntfs *) mf->mf_private; - - if (mf_link == 0) { - plog(XLOG_FATAL, "Attempting to inherit not-a-filesystem"); - return 0; /* XXX */ - } - mf_link->mf_fo = mf->mf_fo; - - /* - * Discard the old map. - * Don't call am_unmounted since this - * node was never really mounted in the - * first place. - */ - mf->mf_private = 0; - free_mntfs(mf); - - /* - * Free the dangling reference - * to the mount link. - */ - free_mntfs(mf_link); - - /* - * Get a hold of the other entry - */ - mf_link->mf_flags &= ~MFF_RESTART; - - /* Say what happened */ - plog(XLOG_INFO, "restarting %s on %s", mf_link->mf_info, mf_link->mf_mount); - - return mf_link; -} - - -static int -amfs_inherit_mount(am_node *mp) -{ - mntfs *newmf = amfs_inherit_inherit(mp->am_mnt); - - if (newmf) { - mp->am_mnt = newmf; - /* - * XXX - must do the am_mounted call here - */ - if (newmf->mf_ops->fs_flags & FS_MBACKGROUND) - am_mounted(mp); - - new_ttl(mp); - return 0; - } - return EINVAL; -} - - -static int -amfs_inherit_fmount(mntfs *mf) -{ - am_node *mp = find_mf(mf); - - if (mp) - return amfs_inherit_mount(mp); - return amfs_inherit_inherit(mf) ? 0 : EINVAL; -} - - -static int -amfs_inherit_fumount(mntfs *mf) -{ - /* - * Always succeed - */ - return 0; -} |