Date: Mon, 30 Mar 2009 00:53:46 +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: r190536 - head/sys/geom/part Message-ID: <200903300053.n2U0rkgP049235@svn.freebsd.org>
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Author: marcel Date: Mon Mar 30 00:53:46 2009 New Revision: 190536 URL: http://svn.freebsd.org/changeset/base/190536 Log: Sharpen the saw: o MBR uses 32-bit block numbers. Limit the scheme to 2^32-1 blocks when the media is larger. Modified: head/sys/geom/part/g_part_mbr.c Modified: head/sys/geom/part/g_part_mbr.c ============================================================================== --- head/sys/geom/part/g_part_mbr.c Mon Mar 30 00:48:42 2009 (r190535) +++ head/sys/geom/part/g_part_mbr.c Mon Mar 30 00:53:46 2009 (r190536) @@ -230,7 +230,7 @@ g_part_mbr_create(struct g_part_table *b struct g_consumer *cp; struct g_provider *pp; struct g_part_mbr_table *table; - uint64_t msize; + uint32_t msize; pp = gpp->gpp_provider; cp = LIST_FIRST(&pp->consumers); @@ -238,7 +238,7 @@ g_part_mbr_create(struct g_part_table *b if (pp->sectorsize < MBRSIZE) return (ENOSPC); - msize = pp->mediasize / pp->sectorsize; + msize = MIN(pp->mediasize / pp->sectorsize, 0xffffffff); basetable->gpt_first = basetable->gpt_sectors; basetable->gpt_last = msize - (msize % basetable->gpt_sectors) - 1;
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