Date: Mon, 20 Feb 2012 06:35:52 +0000 (UTC) From: "Andrey V. Elsukov" <ae@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r231929 - head/sys/geom/part Message-ID: <201202200635.q1K6ZqOx035851@svn.freebsd.org>
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Author: ae Date: Mon Feb 20 06:35:52 2012 New Revision: 231929 URL: http://svn.freebsd.org/changeset/base/231929 Log: If nested scheme allows dump kernel to its partition, we may allow dump for the parent partition too. MFC after: 2 weeks Modified: head/sys/geom/part/g_part.c Modified: head/sys/geom/part/g_part.c ============================================================================== --- head/sys/geom/part/g_part.c Mon Feb 20 05:48:57 2012 (r231928) +++ head/sys/geom/part/g_part.c Mon Feb 20 06:35:52 2012 (r231929) @@ -2113,9 +2113,12 @@ g_part_start(struct bio *bp) /* * Check that the partition is suitable for kernel * dumps. Typically only swap partitions should be - * used. + * used. If the request comes from the nested scheme + * we allow dumping there as well. */ - if (!G_PART_DUMPTO(table, entry)) { + if ((bp->bio_from == NULL || + bp->bio_from->geom->class != &g_part_class) && + G_PART_DUMPTO(table, entry) == 0) { g_io_deliver(bp, ENODEV); printf("GEOM_PART: Partition '%s' not suitable" " for kernel dumps (wrong type?)\n",
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