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Only go through our cylinder group and inode info when we need to.

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This allows ``ffsinfo -o - -l1 /tmp'' to run a lot quicker.
This commit is contained in:
Brian Somers 2007-02-14 23:20:30 +00:00
parent 89f0730d6b
commit 30e3c0fa25
1 changed files with 49 additions and 45 deletions
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94
sbin/ffsinfo/ffsinfo.c
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@ -186,7 +186,7 @@ main(int argc, char **argv)
device = *argv;
if (out_file == NULL)
errx(1, "out_file not specified");
/*
* Now we try to guess the (raw)device name.
*/
@ -270,56 +270,60 @@ main(int argc, char **argv)
}
}
/* for each requested cylinder group ... */
for (cylno = cg_start; cylno < cg_stop; cylno++) {
snprintf(dbg_line, sizeof(dbg_line), "cgr %d", cylno);
if (cfg_lv & 0x002) {
/* dump the superblock copies */
if (cfg_lv & 0xf8) {
/* for each requested cylinder group ... */
for (cylno = cg_start; cylno < cg_stop; cylno++) {
snprintf(dbg_line, sizeof(dbg_line), "cgr %d", cylno);
if (cfg_lv & 0x002) {
/* dump the superblock copies */
if (bread(&disk, fsbtodb(&sblock,
cgsblock(&sblock, cylno)),
(void *)&osblock, SBLOCKSIZE) == -1)
err(1, "bread: %s", disk.d_error);
DBG_DUMP_FS(&osblock, dbg_line);
}
/*
* Read the cylinder group and dump whatever was
* requested.
*/
if (bread(&disk, fsbtodb(&sblock,
cgsblock(&sblock, cylno)),
(void *)&osblock, SBLOCKSIZE) == -1)
cgtod(&sblock, cylno)), (void *)&acg,
(size_t)sblock.fs_cgsize) == -1)
err(1, "bread: %s", disk.d_error);
DBG_DUMP_FS(&osblock, dbg_line);
}
/*
* Read the cylinder group and dump whatever was
* requested.
*/
if (bread(&disk, fsbtodb(&sblock,
cgtod(&sblock, cylno)), (void *)&acg,
(size_t)sblock.fs_cgsize) == -1)
err(1, "bread: %s", disk.d_error);
if (cfg_lv & 0x008)
DBG_DUMP_CG(&sblock, dbg_line, &acg);
if (cfg_lv & 0x010)
DBG_DUMP_INMAP(&sblock, dbg_line, &acg);
if (cfg_lv & 0x020)
DBG_DUMP_FRMAP(&sblock, dbg_line, &acg);
if (cfg_lv & 0x040) {
DBG_DUMP_CLMAP(&sblock, dbg_line, &acg);
DBG_DUMP_CLSUM(&sblock, dbg_line, &acg);
if (cfg_lv & 0x008)
DBG_DUMP_CG(&sblock, dbg_line, &acg);
if (cfg_lv & 0x010)
DBG_DUMP_INMAP(&sblock, dbg_line, &acg);
if (cfg_lv & 0x020)
DBG_DUMP_FRMAP(&sblock, dbg_line, &acg);
if (cfg_lv & 0x040) {
DBG_DUMP_CLMAP(&sblock, dbg_line, &acg);
DBG_DUMP_CLSUM(&sblock, dbg_line, &acg);
}
#ifdef NOT_CURRENTLY
/*
* See the comment in sbin/growfs/debug.c for why this
* is currently disabled, and what needs to be done to
* re-enable it.
*/
if (disk.d_ufs == 1 && cfg_lv & 0x080)
DBG_DUMP_SPTBL(&sblock, dbg_line, &acg);
#endif
}
#ifdef NOT_CURRENTLY
/*
* See the comment in sbin/growfs/debug.c for why this
* is currently disabled, and what needs to be done to
* re-enable it.
*/
if (disk.d_ufs == 1 && cfg_lv & 0x080)
DBG_DUMP_SPTBL(&sblock, dbg_line, &acg);
#endif
}
/* Dump the requested inode(s) */
if (cfg_in != -2)
DUMP_WHOLE_INODE((ino_t)cfg_in, cfg_lv);
else {
for (in = cg_start * sblock.fs_ipg;
in < (ino_t)cg_stop * sblock.fs_ipg;
in++)
DUMP_WHOLE_INODE(in, cfg_lv);
if (cfg_lv & 0x300) {
/* Dump the requested inode(s) */
if (cfg_in != -2)
DUMP_WHOLE_INODE((ino_t)cfg_in, cfg_lv);
else {
for (in = cg_start * sblock.fs_ipg;
in < (ino_t)cg_stop * sblock.fs_ipg;
in++)
DUMP_WHOLE_INODE(in, cfg_lv);
}
}
DBG_CLOSE;