Date: Fri, 27 Mar 2009 05:48:42 +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: r190463 - head/sys/geom/part Message-ID: <200903270548.n2R5mgmS049436@svn.freebsd.org>
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Author: marcel Date: Fri Mar 27 05:48:42 2009 New Revision: 190463 URL: http://svn.freebsd.org/changeset/base/190463 Log: Sharpen the saw: o BSD 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_bsd.c Modified: head/sys/geom/part/g_part_bsd.c ============================================================================== --- head/sys/geom/part/g_part_bsd.c Fri Mar 27 05:44:53 2009 (r190462) +++ head/sys/geom/part/g_part_bsd.c Fri Mar 27 05:48:42 2009 (r190463) @@ -192,8 +192,7 @@ g_part_bsd_create(struct g_part_table *b struct g_part_bsd_entry *entry; struct g_part_bsd_table *table; u_char *ptr; - uint64_t msize; - uint32_t ncyls, secpercyl; + uint32_t msize, ncyls, secpercyl; pp = gpp->gpp_provider; cp = LIST_FIRST(&pp->consumers); @@ -203,7 +202,7 @@ g_part_bsd_create(struct g_part_table *b if (BBSIZE % pp->sectorsize) return (ENOTBLK); - msize = pp->mediasize / pp->sectorsize; + msize = MIN(pp->mediasize / pp->sectorsize, 0xffffffff); secpercyl = basetable->gpt_sectors * basetable->gpt_heads; ncyls = msize / secpercyl;
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