326 lines
9.8 KiB
C
326 lines
9.8 KiB
C
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/* $NetBSD: lfs_debug.c,v 1.39 2011/07/17 20:54:54 joerg Exp $ */
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/*-
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* Copyright (c) 1999, 2000, 2001, 2002, 2003 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Konrad E. Schroder <perseant@hhhh.org>.
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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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1991, 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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* @(#)lfs_debug.c 8.1 (Berkeley) 6/11/93
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: lfs_debug.c,v 1.39 2011/07/17 20:54:54 joerg Exp $");
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#ifdef DEBUG
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/namei.h>
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#include <sys/vnode.h>
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#include <sys/mount.h>
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#include <sys/buf.h>
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#include <sys/syslog.h>
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#include <sys/proc.h>
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#include <ufs/ufs/inode.h>
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#include <ufs/lfs/lfs.h>
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#include <ufs/lfs/lfs_extern.h>
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int lfs_lognum;
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struct lfs_log_entry lfs_log[LFS_LOGLENGTH];
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int
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lfs_bwrite_log(struct buf *bp, const char *file, int line)
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{
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struct vop_bwrite_args a;
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a.a_desc = VDESC(vop_bwrite);
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a.a_bp = bp;
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if (!(bp->b_flags & B_GATHERED) && !(bp->b_oflags & BO_DELWRI)) {
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LFS_ENTER_LOG("write", file, line, bp->b_lblkno, bp->b_flags,
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curproc->p_pid);
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}
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return (VCALL(bp->b_vp, VOFFSET(vop_bwrite), &a));
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}
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void
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lfs_dumplog(void)
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{
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int i;
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const char *cp;
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for (i = lfs_lognum; i != (lfs_lognum - 1) % LFS_LOGLENGTH;
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i = (i + 1) % LFS_LOGLENGTH)
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if (lfs_log[i].file) {
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/* Only print out basename, for readability */
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cp = lfs_log[i].file;
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while(*cp)
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++cp;
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while(*cp != '/' && cp > lfs_log[i].file)
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--cp;
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printf("lbn %" PRId64 " %s %lx %d, %d %s\n",
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lfs_log[i].block,
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lfs_log[i].op,
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lfs_log[i].flags,
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lfs_log[i].pid,
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lfs_log[i].line,
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cp);
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}
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}
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void
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lfs_dump_super(struct lfs *lfsp)
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{
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int i;
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printf("%s%x\t%s%x\t%s%d\t%s%d\n",
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"magic ", lfsp->lfs_magic,
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"version ", lfsp->lfs_version,
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"size ", lfsp->lfs_size,
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"ssize ", lfsp->lfs_ssize);
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printf("%s%d\t%s%d\t%s%d\t%s%d\n",
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"dsize ", lfsp->lfs_dsize,
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"bsize ", lfsp->lfs_bsize,
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"fsize ", lfsp->lfs_fsize,
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"frag ", lfsp->lfs_frag);
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printf("%s%d\t%s%d\t%s%d\t%s%d\n",
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"minfree ", lfsp->lfs_minfree,
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"inopb ", lfsp->lfs_inopb,
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"ifpb ", lfsp->lfs_ifpb,
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"nindir ", lfsp->lfs_nindir);
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printf("%s%d\t%s%d\t%s%d\t%s%d\n",
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"nseg ", lfsp->lfs_nseg,
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"nspf ", lfsp->lfs_nspf,
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"cleansz ", lfsp->lfs_cleansz,
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"segtabsz ", lfsp->lfs_segtabsz);
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printf("%s%x\t%s%d\t%s%lx\t%s%d\n",
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"segmask ", lfsp->lfs_segmask,
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"segshift ", lfsp->lfs_segshift,
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"bmask ", (unsigned long)lfsp->lfs_bmask,
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"bshift ", lfsp->lfs_bshift);
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printf("%s%lu\t%s%d\t%s%lx\t%s%u\n",
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"ffmask ", (unsigned long)lfsp->lfs_ffmask,
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"ffshift ", lfsp->lfs_ffshift,
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"fbmask ", (unsigned long)lfsp->lfs_fbmask,
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"fbshift ", lfsp->lfs_fbshift);
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printf("%s%d\t%s%d\t%s%x\t%s%qx\n",
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"sushift ", lfsp->lfs_sushift,
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"fsbtodb ", lfsp->lfs_fsbtodb,
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"cksum ", lfsp->lfs_cksum,
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"maxfilesize ", (long long)lfsp->lfs_maxfilesize);
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printf("Superblock disk addresses:");
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for (i = 0; i < LFS_MAXNUMSB; i++)
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printf(" %x", lfsp->lfs_sboffs[i]);
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printf("\n");
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printf("Checkpoint Info\n");
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printf("%s%d\t%s%x\t%s%d\n",
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"freehd ", lfsp->lfs_freehd,
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"idaddr ", lfsp->lfs_idaddr,
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"ifile ", lfsp->lfs_ifile);
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printf("%s%x\t%s%d\t%s%x\t%s%x\t%s%x\t%s%x\n",
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"bfree ", lfsp->lfs_bfree,
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"nfiles ", lfsp->lfs_nfiles,
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"lastseg ", lfsp->lfs_lastseg,
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"nextseg ", lfsp->lfs_nextseg,
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"curseg ", lfsp->lfs_curseg,
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"offset ", lfsp->lfs_offset);
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printf("tstamp %llx\n", (long long)lfsp->lfs_tstamp);
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}
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void
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lfs_dump_dinode(struct ufs1_dinode *dip)
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{
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int i;
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printf("%s%u\t%s%d\t%s%u\t%s%u\t%s%qu\t%s%d\n",
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"mode ", dip->di_mode,
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"nlink ", dip->di_nlink,
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"uid ", dip->di_uid,
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"gid ", dip->di_gid,
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"size ", (long long)dip->di_size,
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"blocks ", dip->di_blocks);
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printf("inum %d\n", dip->di_inumber);
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printf("Direct Addresses\n");
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for (i = 0; i < NDADDR; i++) {
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printf("\t%x", dip->di_db[i]);
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if ((i % 6) == 5)
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printf("\n");
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}
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for (i = 0; i < NIADDR; i++)
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printf("\t%x", dip->di_ib[i]);
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printf("\n");
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}
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void
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lfs_check_segsum(struct lfs *fs, struct segment *sp, char *file, int line)
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{
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int actual;
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#if 0
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static int offset;
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#endif
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if ((actual = 1) == 1)
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return; /* XXXX not checking this anymore, really */
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if (sp->sum_bytes_left >= FINFOSIZE
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&& sp->fip->fi_nblocks > 512) {
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printf("%s:%d: fi_nblocks = %d\n",file,line,sp->fip->fi_nblocks);
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#ifdef DDB
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Debugger();
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#endif
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}
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if (sp->sum_bytes_left > 484) {
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printf("%s:%d: bad value (%d = -%d) for sum_bytes_left\n",
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file, line, sp->sum_bytes_left, fs->lfs_sumsize-sp->sum_bytes_left);
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panic("too many bytes");
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}
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actual = fs->lfs_sumsize
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/* amount taken up by FINFOs */
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- ((char *)&(sp->fip->fi_blocks[sp->fip->fi_nblocks]) - (char *)(sp->segsum))
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/* amount taken up by inode blocks */
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- sizeof(int32_t)*((sp->ninodes+INOPB(fs)-1) / INOPB(fs));
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#if 0
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if (actual - sp->sum_bytes_left < offset)
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{
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printf("%s:%d: offset changed %d -> %d\n", file, line,
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offset, actual-sp->sum_bytes_left);
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offset = actual - sp->sum_bytes_left;
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/* panic("byte mismatch"); */
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}
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#endif
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#if 0
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if (actual != sp->sum_bytes_left)
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printf("%s:%d: warning: segsum miscalc at %d (-%d => %d)\n",
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file, line, sp->sum_bytes_left,
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fs->lfs_sumsize-sp->sum_bytes_left,
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actual);
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#endif
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if (sp->sum_bytes_left > 0
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&& ((char *)(sp->segsum))[fs->lfs_sumsize
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- sizeof(int32_t) * ((sp->ninodes+INOPB(fs)-1) / INOPB(fs))
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- sp->sum_bytes_left] != '\0') {
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printf("%s:%d: warning: segsum overwrite at %d (-%d => %d)\n",
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file, line, sp->sum_bytes_left,
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fs->lfs_sumsize-sp->sum_bytes_left,
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actual);
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#ifdef DDB
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Debugger();
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#endif
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}
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}
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void
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lfs_check_bpp(struct lfs *fs, struct segment *sp, char *file, int line)
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{
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daddr_t blkno;
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struct buf **bpp;
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struct vnode *devvp;
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devvp = VTOI(fs->lfs_ivnode)->i_devvp;
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blkno = (*(sp->bpp))->b_blkno;
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for (bpp = sp->bpp; bpp < sp->cbpp; bpp++) {
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if ((*bpp)->b_blkno != blkno) {
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if ((*bpp)->b_vp == devvp) {
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printf("Oops, would misplace raw block "
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"0x%" PRIx64 " at 0x%" PRIx64 "\n",
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(*bpp)->b_blkno,
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blkno);
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} else {
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printf("%s:%d: misplace ino %llu lbn %" PRId64
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" at 0x%" PRIx64 " instead of "
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"0x%" PRIx64 "\n",
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file, line,
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(unsigned long long)
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VTOI((*bpp)->b_vp)->i_number,
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(*bpp)->b_lblkno,
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blkno,
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(*bpp)->b_blkno);
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}
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}
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blkno += fsbtodb(fs, btofsb(fs, (*bpp)->b_bcount));
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}
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}
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int lfs_debug_log_subsys[DLOG_MAX];
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/*
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* Log events from various debugging areas of LFS, depending on what
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* the user has enabled.
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*/
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void
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lfs_debug_log(int subsys, const char *fmt, ...)
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{
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va_list ap;
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/* If not debugging this subsys, exit */
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if (lfs_debug_log_subsys[subsys] == 0)
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return;
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va_start(ap, fmt);
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vlog(LOG_DEBUG, fmt, ap);
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va_end(ap);
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}
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#endif /* DEBUG */
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