2 * Copyright (c) 1998, 2003, 2013, 2018 Marshall Kirk McKusick.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY MARSHALL KIRK MCKUSICK ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL MARSHALL KIRK MCKUSICK BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #include <sys/param.h>
30 #include <ufs/ffs/fs.h>
37 struct ufs1_dinode dp1;
38 struct ufs2_dinode dp2;
41 void prtblknos(struct uufsd *disk, union dinode *dp);
43 static const char *distance(struct fs *, ufs2_daddr_t, ufs2_daddr_t);
44 static void printblk(struct fs *, ufs_lbn_t, ufs2_daddr_t, int, ufs_lbn_t);
45 static void indirprt(struct uufsd *, int, ufs_lbn_t, ufs_lbn_t, ufs2_daddr_t,
54 ufs_lbn_t lbn, lastlbn, len, blksperindir;
59 fs = (struct fs *)&disk->d_sb;
60 if (fs->fs_magic == FS_UFS1_MAGIC) {
61 size = dp->dp1.di_size;
62 mode = dp->dp1.di_mode;
64 size = dp->dp2.di_size;
65 mode = dp->dp2.di_mode;
67 switch (mode & IFMT) {
69 printf("unknown inode type 0%d\n", (mode & IFMT));
72 printf("unallocated inode\n");
78 printf("character device\n");
81 printf("block device\n");
91 printf("empty symbolic link\n");
94 if (size < fs->fs_maxsymlinklen) {
95 printf("symbolic link referencing %s\n",
96 (fs->fs_magic == FS_UFS1_MAGIC) ?
97 (char *)dp->dp1.di_db :
98 (char *)dp->dp2.di_db);
101 printf("symbolic link\n");
105 printf("empty file\n");
108 printf("regular file, size %jd\n", (intmax_t)size);
112 printf("empty directory\n");
115 printf("directory, size %jd\n", (intmax_t)size);
118 lastlbn = howmany(size, fs->fs_bsize);
119 len = lastlbn < UFS_NDADDR ? lastlbn : UFS_NDADDR;
120 for (i = 0; i < len; i++) {
124 frags = howmany(size - (lastlbn - 1) * fs->fs_bsize,
126 if (fs->fs_magic == FS_UFS1_MAGIC)
127 blkno = dp->dp1.di_db[i];
129 blkno = dp->dp2.di_db[i];
130 printblk(fs, i, blkno, frags, lastlbn);
134 len = lastlbn - UFS_NDADDR;
136 for (i = 0; len > 0 && i < UFS_NIADDR; i++) {
137 if (fs->fs_magic == FS_UFS1_MAGIC)
138 blkno = dp->dp1.di_ib[i];
140 blkno = dp->dp2.di_ib[i];
141 indirprt(disk, i, blksperindir, lbn, blkno, lastlbn);
142 blksperindir *= NINDIR(fs);
147 /* dummy print to flush out last extent */
148 printblk(fs, lastlbn, 0, frags, 0);
152 indirprt(disk, level, blksperindir, lbn, blkno, lastlbn)
155 ufs_lbn_t blksperindir;
160 char indir[MAXBSIZE];
164 fs = (struct fs *)&disk->d_sb;
166 printblk(fs, lbn, blkno,
167 blksperindir * NINDIR(fs) * fs->fs_frag, lastlbn);
170 printblk(fs, lbn, blkno, fs->fs_frag, -level);
171 /* read in the indirect block. */
172 if (bread(disk, fsbtodb(fs, blkno), indir, fs->fs_bsize) == -1) {
173 warn("Read of indirect block %jd failed", (intmax_t)blkno);
174 /* List the unreadable part as a hole */
176 blksperindir * NINDIR(fs) * fs->fs_frag, lastlbn);
179 last = howmany(lastlbn - lbn, blksperindir) < NINDIR(fs) ?
180 howmany(lastlbn - lbn, blksperindir) : NINDIR(fs);
181 if (blksperindir == 1) {
182 for (i = 0; i < last; i++) {
183 if (fs->fs_magic == FS_UFS1_MAGIC)
184 blkno = ((ufs1_daddr_t *)indir)[i];
186 blkno = ((ufs2_daddr_t *)indir)[i];
187 printblk(fs, lbn + i, blkno, fs->fs_frag, lastlbn);
191 for (i = 0; i < last; i++) {
192 if (fs->fs_magic == FS_UFS1_MAGIC)
193 blkno = ((ufs1_daddr_t *)indir)[i];
195 blkno = ((ufs2_daddr_t *)indir)[i];
196 indirprt(disk, level - 1, blksperindir / NINDIR(fs),
197 lbn + blksperindir * i, blkno, lastlbn);
202 distance(fs, lastblk, firstblk)
204 ufs2_daddr_t lastblk;
205 ufs2_daddr_t firstblk;
209 static char buf[100];
213 delta = firstblk - lastblk - 1;
214 firstcg = dtog(fs, firstblk);
215 lastcg = dtog(fs, lastblk);
216 if (firstcg == lastcg) {
217 snprintf(buf, 100, " distance %jd", (intmax_t)delta);
220 snprintf(buf, 100, " cg %d blk %jd to cg %d blk %jd",
221 lastcg, (intmax_t)dtogd(fs, lastblk), firstcg,
222 (intmax_t)dtogd(fs, firstblk));
227 static const char *indirname[UFS_NIADDR] = { "First", "Second", "Third" };
230 printblk(fs, lbn, blkno, numfrags, lastlbn)
238 static ufs2_daddr_t totfrags, lastindirblk, lastblk, firstblk;
243 seq = howmany(numfrags, fs->fs_frag);
249 seq = howmany(numfrags, fs->fs_frag);
256 if (lbn < lastlbn && ((firstblk == 0 && blkno == 0) ||
257 (firstblk == BLK_NOCOPY && blkno == BLK_NOCOPY) ||
258 (firstblk == BLK_SNAP && blkno == BLK_SNAP) ||
259 blkno == firstblk + seq * fs->fs_frag)) {
260 seq += howmany(numfrags, fs->fs_frag);
261 totfrags += numfrags;
267 if (firstblk <= BLK_SNAP) {
269 printf("\tlbn %jd %s\n", (intmax_t)(lbn - seq),
270 firstblk == 0 ? "hole" :
271 firstblk == BLK_NOCOPY ? "nocopy" :
274 printf("\tlbn %jd-%jd %s\n",
275 (intmax_t)lbn - seq, (intmax_t)lbn - 1,
276 firstblk == 0 ? "hole" :
277 firstblk == BLK_NOCOPY ? "nocopy" :
279 } else if (seq == 1) {
281 printf("\tlbn %jd blkno %jd%s\n", (intmax_t)(lbn - seq),
282 (intmax_t)firstblk, distance(fs, lastblk, firstblk));
284 printf("\tlbn %jd blkno %jd-%jd%s\n",
285 (intmax_t)(lbn - seq), (intmax_t)firstblk,
286 (intmax_t)(firstblk + totfrags - 1),
287 distance(fs, lastblk, firstblk));
288 lastblk = firstblk + totfrags - 1;
290 printf("\tlbn %jd-%jd blkno %jd-%jd%s\n", (intmax_t)(lbn - seq),
291 (intmax_t)(lbn - 1), (intmax_t)firstblk,
292 (intmax_t)(firstblk + totfrags - 1),
293 distance(fs, lastblk, firstblk));
294 lastblk = firstblk + totfrags - 1;
296 if (lastlbn > 0 || blkno == 0) {
303 if (seq != 0 && (fs->fs_metaspace == 0 || lastindirblk == 0))
304 lastindirblk = lastblk;
305 printf("%s-level indirect, blkno %jd-%jd%s\n", indirname[-lastlbn],
306 (intmax_t)blkno, (intmax_t)(blkno + numfrags - 1),
307 distance(fs, lastindirblk, blkno));
308 lastindirblk = blkno + numfrags - 1;
309 if (fs->fs_metaspace == 0)
310 lastblk = lastindirblk;