The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch up to that fact and revert to their recommended match of BSD-2-Clause. Discussed with: pfg MFC After: 3 days Sponsored by: Netflix
172 lines
5.7 KiB
C
172 lines
5.7 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause AND BSD-2-Clause
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*
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* Copyright (c) 2006 Pawel Jakub Dawidek <pjd@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* Copyright (c) 1982, 1986, 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <string.h>
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#include <sys/stat.h>
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#include <ufs/ffs/fs.h>
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#include "fsck.h"
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void
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gjournal_check(const char *filesys)
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{
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struct fs *fs;
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struct inode ip;
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union dinode *dp;
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struct bufarea *cgbp;
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struct cg *cgp;
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struct inodesc idesc;
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uint8_t *inosused;
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ino_t cino, ino;
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int cg;
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fs = &sblock;
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/* Are there any unreferenced inodes in this file system? */
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if (fs->fs_unrefs == 0) {
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//printf("No unreferenced inodes.\n");
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sbdirty();
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ckfini(1);
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return;
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}
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for (cg = 0; cg < fs->fs_ncg; cg++) {
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/* Show progress if requested. */
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if (got_siginfo) {
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printf("%s: phase j: cyl group %d of %d (%d%%)\n",
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cdevname, cg, fs->fs_ncg, cg * 100 / fs->fs_ncg);
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got_siginfo = 0;
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}
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if (got_sigalarm) {
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setproctitle("%s pj %d%%", cdevname,
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cg * 100 / fs->fs_ncg);
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got_sigalarm = 0;
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}
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cgbp = cglookup(cg);
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cgp = cgbp->b_un.b_cg;
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if (!check_cgmagic(cg, cgbp)) {
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rerun = 1;
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ckfini(0);
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return;
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}
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/* Are there any unreferenced inodes in this cylinder group? */
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if (cgp->cg_unrefs == 0)
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continue;
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//printf("Analizing cylinder group %d (count=%d)\n", cg, cgp->cg_unrefs);
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/*
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* Now go through the list of all inodes in this cylinder group
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* to find unreferenced ones.
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*/
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inosused = cg_inosused(cgp);
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for (cino = 0; cino < fs->fs_ipg; cino++) {
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ino = fs->fs_ipg * cg + cino;
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/* Unallocated? Skip it. */
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if (isclr(inosused, cino))
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continue;
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ginode(ino, &ip);
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dp = ip.i_dp;
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/* Not a regular file nor directory? Skip it. */
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if (!S_ISREG(dp->dp2.di_mode) &&
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!S_ISDIR(dp->dp2.di_mode)) {
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irelse(&ip);
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continue;
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}
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/* Has reference(s)? Skip it. */
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if (dp->dp2.di_nlink > 0) {
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irelse(&ip);
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continue;
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}
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/* printf("Clearing inode=%d (size=%jd)\n", ino,
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(intmax_t)dp->dp2->di_size); */
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/* Deallocate it. */
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memset(&idesc, 0, sizeof(struct inodesc));
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idesc.id_type = ADDR;
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idesc.id_func = freeblock;
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idesc.id_number = ino;
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clri(&idesc, "UNREF", 1);
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clrbit(inosused, cino);
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/* Update position of last used inode. */
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if (ino < cgp->cg_irotor)
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cgp->cg_irotor = ino;
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/* Update statistics. */
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cgp->cg_unrefs--;
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fs->fs_unrefs--;
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/* Zero-fill the inode. */
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dp->dp2 = zino.dp2;
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/* Write the inode back. */
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inodirty(&ip);
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irelse(&ip);
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cgdirty(cgbp);
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if (cgp->cg_unrefs == 0) {
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//printf("No more unreferenced inodes in cg=%d.\n", cg);
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break;
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}
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}
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/*
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* If there are no more unreferenced inodes, there is no need to
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* check other cylinder groups.
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*/
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if (fs->fs_unrefs == 0) {
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//printf("No more unreferenced inodes (cg=%d/%d).\n", cg,
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// fs->fs_ncg);
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break;
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}
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}
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/* Write back updated statistics and super-block. */
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sbdirty();
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ckfini(1);
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}
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