Author: marcel
Date: Mon Mar 30 01:03:58 2009
New Revision: 190537
URL: http://svn.freebsd.org/changeset/base/190537
Log:
Sharpen the saw:
o PC98 uses 32-bit block numbers. Limit the scheme to 2^32-1
blocks when the media is larger. The 32-bit block numbers
are implicit (16-bit cylinder * 8-bit head * 8-bit sector).
Modified:
head/sys/geom/part/g_part_pc98.c
Modified: head/sys/geom/part/g_part_pc98.c
==============================================================================
--- head/sys/geom/part/g_part_pc98.c Mon Mar 30 00:53:46 2009
(r190536)
+++ head/sys/geom/part/g_part_pc98.c Mon Mar 30 01:03:58 2009
(r190537)
@@ -218,8 +218,7 @@ g_part_pc98_create(struct g_part_table *
struct g_consumer *cp;
struct g_provider *pp;
struct g_part_pc98_table *table;
- uint64_t msize;
- uint32_t cyl;
+ uint32_t cyl, msize;
pp = gpp->gpp_provider;
cp = LIST_FIRST(&pp->consumers);
@@ -231,7 +230,7 @@ g_part_pc98_create(struct g_part_table *
cyl = basetable->gpt_heads * basetable->gpt_sectors;
- msize = pp->mediasize / SECSIZE;
+ msize = MIN(pp->mediasize / SECSIZE, 0xffffffff);
basetable->gpt_first = cyl;
basetable->gpt_last = msize - (msize % cyl) - 1;
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