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Make diagnostic messages more specific. With bootverbose print out

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all inconsistencies of integrity in the partition table, not first
found only.

Requested by:	kib
This commit is contained in:
Andrey V. Elsukov 2011-05-16 15:59:50 +00:00
parent 20208c3bf0
commit d0c8ecb812
1 changed files with 83 additions and 42 deletions
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125
sys/geom/part/g_part.c
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@ -239,70 +239,111 @@ g_part_geometry(struct g_part_table *table, struct g_consumer *cp,
}
}
#define DPRINTF(...) if (bootverbose) { \
printf("GEOM_PART: " __VA_ARGS__); \
}
static int
g_part_check_integrity(struct g_part_table *table, struct g_consumer *cp)
{
struct g_part_entry *e1, *e2;
struct g_provider *pp;
int failed;
e1 = e2 = NULL;
failed = 0;
pp = cp->provider;
if (table->gpt_first > table->gpt_last ||
table->gpt_last > pp->mediasize / pp->sectorsize - 1)
goto fail;
if (table->gpt_last < table->gpt_first) {
DPRINTF("last LBA is below first LBA: %jd < %jd\n",
(intmax_t)table->gpt_last, (intmax_t)table->gpt_first);
failed++;
}
if (table->gpt_last > pp->mediasize / pp->sectorsize - 1) {
DPRINTF("last LBA extends beyond mediasize: "
"%jd > %jd\n", (intmax_t)table->gpt_last,
(intmax_t)pp->mediasize / pp->sectorsize - 1);
failed++;
}
LIST_FOREACH(e1, &table->gpt_entry, gpe_entry) {
if (e1->gpe_deleted || e1->gpe_internal)
continue;
if (e1->gpe_start < table->gpt_first ||
e1->gpe_start > table->gpt_last ||
e1->gpe_end < e1->gpe_start ||
e1->gpe_end > table->gpt_last)
goto fail;
if (e1->gpe_start < table->gpt_first) {
DPRINTF("partition %d has start offset below first "
"LBA: %jd < %jd\n", e1->gpe_index,
(intmax_t)e1->gpe_start,
(intmax_t)table->gpt_first);
failed++;
}
if (e1->gpe_start > table->gpt_last) {
DPRINTF("partition %d has start offset beyond last "
"LBA: %jd > %jd\n", e1->gpe_index,
(intmax_t)e1->gpe_start,
(intmax_t)table->gpt_last);
failed++;
}
if (e1->gpe_end < e1->gpe_start) {
DPRINTF("partition %d has end offset below start "
"offset: %jd < %jd\n", e1->gpe_index,
(intmax_t)e1->gpe_end,
(intmax_t)e1->gpe_start);
failed++;
}
if (e1->gpe_end > table->gpt_last) {
DPRINTF("partition %d has end offset beyond last "
"LBA: %jd > %jd\n", e1->gpe_index,
(intmax_t)e1->gpe_end,
(intmax_t)table->gpt_last);
failed++;
}
e2 = e1;
while ((e2 = LIST_NEXT(e2, gpe_entry)) != NULL) {
if (e2->gpe_deleted || e2->gpe_internal)
continue;
if (e1->gpe_start >= e2->gpe_start &&
e1->gpe_start <= e2->gpe_end)
goto fail;
e1->gpe_start <= e2->gpe_end) {
DPRINTF("partition %d has start offset inside "
"partition %d: start[%d] %jd >= start[%d] "
"%jd <= end[%d] %jd\n",
e1->gpe_index, e2->gpe_index,
e2->gpe_index, (intmax_t)e2->gpe_start,
e1->gpe_index, (intmax_t)e1->gpe_start,
e2->gpe_index, (intmax_t)e2->gpe_end);
failed++;
}
if (e1->gpe_end >= e2->gpe_start &&
e1->gpe_end <= e2->gpe_end)
goto fail;
e1->gpe_end <= e2->gpe_end) {
DPRINTF("partition %d has end offset inside "
"partition %d: start[%d] %jd >= end[%d] "
"%jd <= end[%d] %jd\n",
e1->gpe_index, e2->gpe_index,
e2->gpe_index, (intmax_t)e2->gpe_start,
e1->gpe_index, (intmax_t)e1->gpe_end,
e2->gpe_index, (intmax_t)e2->gpe_end);
failed++;
}
if (e1->gpe_start < e2->gpe_start &&
e1->gpe_end > e2->gpe_end)
goto fail;
e1->gpe_end > e2->gpe_end) {
DPRINTF("partition %d contains partition %d: "
"start[%d] %jd > start[%d] %jd, end[%d] "
"%jd < end[%d] %jd\n",
e1->gpe_index, e2->gpe_index,
e1->gpe_index, (intmax_t)e1->gpe_start,
e2->gpe_index, (intmax_t)e2->gpe_start,
e2->gpe_index, (intmax_t)e2->gpe_end,
e1->gpe_index, (intmax_t)e1->gpe_end);
failed++;
}
}
return (0);
fail:
printf("GEOM_PART: integrity check failed (%s, %s)\n", pp->name,
table->gpt_scheme->name);
if (bootverbose) {
if (e1 == NULL)
printf("GEOM_PART: invalid geom configuration:\n");
else if (e2 == NULL)
printf("GEOM_PART: invalid partition entry:\n");
else
printf("GEOM_PART: overlapped partition entries:\n");
if (e1 != NULL)
printf("GEOM_PART: index: %d, start: %jd, end: %jd\n",
e1->gpe_index,
(intmax_t)e1->gpe_start, (intmax_t)e1->gpe_end);
if (e2 != NULL)
printf("GEOM_PART: index: %d, start: %jd, end: %jd\n",
e2->gpe_index,
(intmax_t)e2->gpe_start, (intmax_t)e2->gpe_end);
printf("GEOM_PART: first: %jd, last: %jd, sectors: %jd\n",
(intmax_t)table->gpt_first, (intmax_t)table->gpt_last,
(intmax_t)pp->mediasize / pp->sectorsize - 1);
}
if (check_integrity == 0) {
table->gpt_corrupt = 1;
return (0);
}
if (failed != 0) {
printf("GEOM_PART: integrity check failed (%s, %s)\n",
pp->name, table->gpt_scheme->name);
if (check_integrity != 0)
return (EINVAL);
table->gpt_corrupt = 1;
}
return (0);
}
#undef DPRINTF
struct g_part_entry *
g_part_new_entry(struct g_part_table *table, int index, quad_t start,