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NetBSD/sys/ufs/lfs/lfs_debug.c
christos 273df63602 - sprinkle const 
- avoid shadow variables.
2005-05-29 21:25:24 +00:00

328 lines
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/* $NetBSD: lfs_debug.c,v 1.31 2005/05/29 21:25:24 christos Exp $ */
/*-
* Copyright (c) 1999, 2000, 2001, 2002, 2003 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Konrad E. Schroder <perseant@hhhh.org>.
*
* 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 acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
/*
* Copyright (c) 1991, 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.
* 3. 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.
*
* @(#)lfs_debug.c 8.1 (Berkeley) 6/11/93
*/
#ifdef DEBUG
#include <machine/stdarg.h>
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: lfs_debug.c,v 1.31 2005/05/29 21:25:24 christos Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/namei.h>
#include <sys/vnode.h>
#include <sys/mount.h>
#include <sys/buf.h>
#include <sys/syslog.h>
#include <ufs/ufs/inode.h>
#include <ufs/lfs/lfs.h>
#include <ufs/lfs/lfs_extern.h>
int lfs_lognum;
struct lfs_log_entry lfs_log[LFS_LOGLENGTH];
int lfs_bwrite_log(struct buf *bp, const char *file, int line)
{
struct vop_bwrite_args a;
a.a_desc = VDESC(vop_bwrite);
a.a_bp = bp;
if (!(bp->b_flags & (B_DELWRI | B_GATHERED))) {
LFS_ENTER_LOG("write", file, line, bp->b_lblkno, bp->b_flags,
curproc->p_pid);
}
return (VCALL(bp->b_vp, VOFFSET(vop_bwrite), &a));
}
void lfs_dumplog(void)
{
int i;
const char *cp;
for (i = lfs_lognum; i != (lfs_lognum - 1) % LFS_LOGLENGTH;
i = (i + 1) % LFS_LOGLENGTH)
if (lfs_log[i].file) {
/* Only print out basename, for readability */
cp = lfs_log[i].file;
while(*cp)
++cp;
while(*cp != '/' && cp > lfs_log[i].file)
--cp;
printf("lbn %" PRId64 " %s %lx %d, %d %s\n",
lfs_log[i].block,
lfs_log[i].op,
lfs_log[i].flags,
lfs_log[i].pid,
lfs_log[i].line,
cp);
}
}
void
lfs_dump_super(struct lfs *lfsp)
{
int i;
printf("%s%x\t%s%x\t%s%d\t%s%d\n",
"magic ", lfsp->lfs_magic,
"version ", lfsp->lfs_version,
"size ", lfsp->lfs_size,
"ssize ", lfsp->lfs_ssize);
printf("%s%d\t%s%d\t%s%d\t%s%d\n",
"dsize ", lfsp->lfs_dsize,
"bsize ", lfsp->lfs_bsize,
"fsize ", lfsp->lfs_fsize,
"frag ", lfsp->lfs_frag);
printf("%s%d\t%s%d\t%s%d\t%s%d\n",
"minfree ", lfsp->lfs_minfree,
"inopb ", lfsp->lfs_inopb,
"ifpb ", lfsp->lfs_ifpb,
"nindir ", lfsp->lfs_nindir);
printf("%s%d\t%s%d\t%s%d\t%s%d\n",
"nseg ", lfsp->lfs_nseg,
"nspf ", lfsp->lfs_nspf,
"cleansz ", lfsp->lfs_cleansz,
"segtabsz ", lfsp->lfs_segtabsz);
printf("%s%x\t%s%d\t%s%lx\t%s%d\n",
"segmask ", lfsp->lfs_segmask,
"segshift ", lfsp->lfs_segshift,
"bmask ", (unsigned long)lfsp->lfs_bmask,
"bshift ", lfsp->lfs_bshift);
printf("%s%lu\t%s%d\t%s%lx\t%s%u\n",
"ffmask ", (unsigned long)lfsp->lfs_ffmask,
"ffshift ", lfsp->lfs_ffshift,
"fbmask ", (unsigned long)lfsp->lfs_fbmask,
"fbshift ", lfsp->lfs_fbshift);
printf("%s%d\t%s%d\t%s%x\t%s%qx\n",
"sushift ", lfsp->lfs_sushift,
"fsbtodb ", lfsp->lfs_fsbtodb,
"cksum ", lfsp->lfs_cksum,
"maxfilesize ", (long long)lfsp->lfs_maxfilesize);
printf("Superblock disk addresses:");
for (i = 0; i < LFS_MAXNUMSB; i++)
printf(" %x", lfsp->lfs_sboffs[i]);
printf("\n");
printf("Checkpoint Info\n");
printf("%s%d\t%s%x\t%s%d\n",
"freehd ", lfsp->lfs_freehd,
"idaddr ", lfsp->lfs_idaddr,
"ifile ", lfsp->lfs_ifile);
printf("%s%x\t%s%d\t%s%x\t%s%x\t%s%x\t%s%x\n",
"bfree ", lfsp->lfs_bfree,
"nfiles ", lfsp->lfs_nfiles,
"lastseg ", lfsp->lfs_lastseg,
"nextseg ", lfsp->lfs_nextseg,
"curseg ", lfsp->lfs_curseg,
"offset ", lfsp->lfs_offset);
printf("tstamp %llx\n", (long long)lfsp->lfs_tstamp);
}
void
lfs_dump_dinode(struct ufs1_dinode *dip)
{
int i;
printf("%s%u\t%s%d\t%s%u\t%s%u\t%s%qu\t%s%d\n",
"mode ", dip->di_mode,
"nlink ", dip->di_nlink,
"uid ", dip->di_uid,
"gid ", dip->di_gid,
"size ", (long long)dip->di_size,
"blocks ", dip->di_blocks);
printf("inum %d\n", dip->di_inumber);
printf("Direct Addresses\n");
for (i = 0; i < NDADDR; i++) {
printf("\t%x", dip->di_db[i]);
if ((i % 6) == 5)
printf("\n");
}
for (i = 0; i < NIADDR; i++)
printf("\t%x", dip->di_ib[i]);
printf("\n");
}
void
lfs_check_segsum(struct lfs *fs, struct segment *sp, char *file, int line)
{
int actual;
#if 0
static int offset;
#endif
if ((actual = 1) == 1)
return; /* XXXX not checking this anymore, really */
if (sp->sum_bytes_left >= FINFOSIZE
&& sp->fip->fi_nblocks > 512) {
printf("%s:%d: fi_nblocks = %d\n",file,line,sp->fip->fi_nblocks);
#ifdef DDB
Debugger();
#endif
}
if (sp->sum_bytes_left > 484) {
printf("%s:%d: bad value (%d = -%d) for sum_bytes_left\n",
file, line, sp->sum_bytes_left, fs->lfs_sumsize-sp->sum_bytes_left);
panic("too many bytes");
}
actual = fs->lfs_sumsize
/* amount taken up by FINFOs */
- ((char *)&(sp->fip->fi_blocks[sp->fip->fi_nblocks]) - (char *)(sp->segsum))
/* amount taken up by inode blocks */
- sizeof(int32_t)*((sp->ninodes+INOPB(fs)-1) / INOPB(fs));
#if 0
if (actual - sp->sum_bytes_left < offset)
{
printf("%s:%d: offset changed %d -> %d\n", file, line,
offset, actual-sp->sum_bytes_left);
offset = actual - sp->sum_bytes_left;
/* panic("byte mismatch"); */
}
#endif
#if 0
if (actual != sp->sum_bytes_left)
printf("%s:%d: warning: segsum miscalc at %d (-%d => %d)\n",
file, line, sp->sum_bytes_left,
fs->lfs_sumsize-sp->sum_bytes_left,
actual);
#endif
if (sp->sum_bytes_left > 0
&& ((char *)(sp->segsum))[fs->lfs_sumsize
- sizeof(int32_t) * ((sp->ninodes+INOPB(fs)-1) / INOPB(fs))
- sp->sum_bytes_left] != '\0') {
printf("%s:%d: warning: segsum overwrite at %d (-%d => %d)\n",
file, line, sp->sum_bytes_left,
fs->lfs_sumsize-sp->sum_bytes_left,
actual);
#ifdef DDB
Debugger();
#endif
}
}
void
lfs_check_bpp(struct lfs *fs, struct segment *sp, char *file, int line)
{
daddr_t blkno;
struct buf **bpp;
struct vnode *devvp;
devvp = VTOI(fs->lfs_ivnode)->i_devvp;
blkno = (*(sp->bpp))->b_blkno;
for (bpp = sp->bpp; bpp < sp->cbpp; bpp++) {
if ((*bpp)->b_blkno != blkno) {
if ((*bpp)->b_vp == devvp) {
printf("Oops, would misplace raw block "
"0x%" PRIx64 " at 0x%" PRIx64 "\n",
(*bpp)->b_blkno,
blkno);
} else {
printf("%s:%d: misplace ino %d lbn %" PRId64
" at 0x%" PRIx64 " instead of "
"0x%" PRIx64 "\n",
file, line,
VTOI((*bpp)->b_vp)->i_number, (*bpp)->b_lblkno,
blkno,
(*bpp)->b_blkno);
}
}
blkno += fsbtodb(fs, btofsb(fs, (*bpp)->b_bcount));
}
}
int lfs_debug_log_subsys[DLOG_MAX];
/*
* Log events from various debugging areas of LFS, depending on what
* the user has enabled.
*/
void
lfs_debug_log(int subsys, const char *fmt, ...)
{
va_list ap;
/* If not debugging this subsys, exit */
if (lfs_debug_log_subsys[subsys] == 0)
return;
va_start(ap, fmt);
vlog(LOG_DEBUG, fmt, ap);
va_end(ap);
}
#endif /* DEBUG */
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