Date: Mon, 30 Mar 2009 01:03:58 +0000 (UTC) From: Marcel Moolenaar <marcel@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r190537 - head/sys/geom/part Message-ID: <200903300103.n2U13wFN049477@svn.freebsd.org>
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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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