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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