svn commit: r188352 - head/sys/geom/part
Marcel Moolenaar
marcel at FreeBSD.org
Sun Feb 8 15:39:31 PST 2009
Author: marcel
Date: Sun Feb 8 23:39:30 2009
New Revision: 188352
URL: http://svn.freebsd.org/changeset/base/188352
Log:
Allow gpe_offset to be set by the scheme. When gpe_offset is zero,
or invalid, initialize it to the start of the partition. Adjust
the mediasize when the offset lies somewhere inside the partition.
Modified:
head/sys/geom/part/g_part.c
Modified: head/sys/geom/part/g_part.c
==============================================================================
--- head/sys/geom/part/g_part.c Sun Feb 8 23:12:29 2009 (r188351)
+++ head/sys/geom/part/g_part.c Sun Feb 8 23:39:30 2009 (r188352)
@@ -244,7 +244,8 @@ g_part_new_entry(struct g_part_table *ta
LIST_INSERT_HEAD(&table->gpt_entry, entry, gpe_entry);
else
LIST_INSERT_AFTER(last, entry, gpe_entry);
- }
+ } else
+ entry->gpe_offset = 0;
entry->gpe_start = start;
entry->gpe_end = end;
return (entry);
@@ -257,11 +258,14 @@ g_part_new_provider(struct g_geom *gp, s
char buf[32];
struct g_consumer *cp;
struct g_provider *pp;
+ off_t offset;
cp = LIST_FIRST(&gp->consumer);
pp = cp->provider;
- entry->gpe_offset = entry->gpe_start * pp->sectorsize;
+ offset = entry->gpe_start * pp->sectorsize;
+ if (entry->gpe_offset < offset)
+ entry->gpe_offset = offset;
if (entry->gpe_pp == NULL) {
entry->gpe_pp = g_new_providerf(gp, "%s%s", gp->name,
@@ -271,6 +275,7 @@ g_part_new_provider(struct g_geom *gp, s
entry->gpe_pp->index = entry->gpe_index - 1; /* index is 1-based. */
entry->gpe_pp->mediasize = (entry->gpe_end - entry->gpe_start + 1) *
pp->sectorsize;
+ entry->gpe_pp->mediasize -= entry->gpe_offset - offset;
entry->gpe_pp->sectorsize = pp->sectorsize;
entry->gpe_pp->flags = pp->flags & G_PF_CANDELETE;
if (pp->stripesize > 0) {
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