mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-22 11:17:19 +00:00
af6726e657
count of zero and instead encode this information in the inode state. Pass 4 performed a linear search of this list for each inode in the file system, which performs poorly if the list is long. Reviewed by: sam & keramida (an earlier version of the patch), mckusick MFC after: 1 month
128 lines
4.1 KiB
C
128 lines
4.1 KiB
C
/*
|
|
* Copyright (c) 1980, 1986, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* 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.
|
|
* 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.
|
|
*/
|
|
|
|
#if 0
|
|
#ifndef lint
|
|
static const char sccsid[] = "@(#)pass3.c 8.2 (Berkeley) 4/27/95";
|
|
#endif /* not lint */
|
|
#endif
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
|
|
#include <ufs/ufs/dinode.h>
|
|
#include <ufs/ufs/dir.h>
|
|
#include <ufs/ffs/fs.h>
|
|
|
|
#include <string.h>
|
|
|
|
#include "fsck.h"
|
|
|
|
void
|
|
pass3(void)
|
|
{
|
|
struct inoinfo *inp;
|
|
int loopcnt, inpindex, state;
|
|
ino_t orphan;
|
|
struct inodesc idesc;
|
|
char namebuf[MAXNAMLEN+1];
|
|
|
|
for (inpindex = inplast - 1; inpindex >= 0; inpindex--) {
|
|
if (got_siginfo) {
|
|
printf("%s: phase 3: dir %d of %d (%d%%)\n", cdevname,
|
|
(int)(inplast - inpindex - 1), (int)inplast,
|
|
(int)((inplast - inpindex - 1) * 100 / inplast));
|
|
got_siginfo = 0;
|
|
}
|
|
if (got_sigalarm) {
|
|
setproctitle("%s p3 %d%%", cdevname,
|
|
(int)((inplast - inpindex - 1) * 100 / inplast));
|
|
got_sigalarm = 0;
|
|
}
|
|
inp = inpsort[inpindex];
|
|
state = inoinfo(inp->i_number)->ino_state;
|
|
if (inp->i_number == ROOTINO ||
|
|
(inp->i_parent != 0 && !S_IS_DUNFOUND(state)))
|
|
continue;
|
|
if (state == DCLEAR)
|
|
continue;
|
|
/*
|
|
* If we are running with soft updates and we come
|
|
* across unreferenced directories, we just leave
|
|
* them in DSTATE which will cause them to be pitched
|
|
* in pass 4.
|
|
*/
|
|
if ((preen || bkgrdflag) &&
|
|
resolved && usedsoftdep && S_IS_DUNFOUND(state)) {
|
|
if (inp->i_dotdot >= ROOTINO)
|
|
inoinfo(inp->i_dotdot)->ino_linkcnt++;
|
|
continue;
|
|
}
|
|
for (loopcnt = 0; ; loopcnt++) {
|
|
orphan = inp->i_number;
|
|
if (inp->i_parent == 0 ||
|
|
!INO_IS_DUNFOUND(inp->i_parent) ||
|
|
loopcnt > countdirs)
|
|
break;
|
|
inp = getinoinfo(inp->i_parent);
|
|
}
|
|
if (loopcnt <= countdirs) {
|
|
if (linkup(orphan, inp->i_dotdot, NULL)) {
|
|
inp->i_parent = inp->i_dotdot = lfdir;
|
|
inoinfo(lfdir)->ino_linkcnt--;
|
|
}
|
|
inoinfo(orphan)->ino_state = DFOUND;
|
|
propagate();
|
|
continue;
|
|
}
|
|
pfatal("ORPHANED DIRECTORY LOOP DETECTED I=%lu",
|
|
(u_long)orphan);
|
|
if (reply("RECONNECT") == 0)
|
|
continue;
|
|
memset(&idesc, 0, sizeof(struct inodesc));
|
|
idesc.id_type = DATA;
|
|
idesc.id_number = inp->i_parent;
|
|
idesc.id_parent = orphan;
|
|
idesc.id_func = findname;
|
|
idesc.id_name = namebuf;
|
|
if ((ckinode(ginode(inp->i_parent), &idesc) & FOUND) == 0)
|
|
pfatal("COULD NOT FIND NAME IN PARENT DIRECTORY");
|
|
if (linkup(orphan, inp->i_parent, namebuf)) {
|
|
idesc.id_func = clearentry;
|
|
if (ckinode(ginode(inp->i_parent), &idesc) & FOUND)
|
|
inoinfo(orphan)->ino_linkcnt++;
|
|
inp->i_parent = inp->i_dotdot = lfdir;
|
|
inoinfo(lfdir)->ino_linkcnt--;
|
|
}
|
|
inoinfo(orphan)->ino_state = DFOUND;
|
|
propagate();
|
|
}
|
|
}
|