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Make geom_label(4) resize-aware. This fixes a situation when "gpart resize"

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would resize a partition, but label providers - e.g. /dev/gptid/XXX - would
stay the same size.

Reviewed by:	mav
MFC after:	1 month
Sponsored by:	FreeBSD Foundation
This commit is contained in:
Edward Tomasz Napierala 2013-10-18 09:14:19 +00:00
parent d48971d0d2
commit 19e5b2d50e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=256724
2 changed files with 13 additions and 1 deletions
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2
sys/geom/geom_slice.c
View File

@ -382,7 +382,7 @@ g_slice_config(struct g_geom *gp, u_int idx, int how, off_t offset, off_t length
printf("GEOM: Reconfigure %s, start %jd length %jd end %jd\n",
pp->name, (intmax_t)offset, (intmax_t)length,
(intmax_t)(offset + length - 1));
pp->mediasize = gsl->length;
g_resize_provider(pp, gsl->length);
return (0);
}
sb = sbuf_new_auto();

12
sys/geom/label/g_label.c
View File

@ -124,6 +124,17 @@ g_label_spoiled(struct g_consumer *cp)
g_slice_spoiled(cp);
}
static void
g_label_resize(struct g_consumer *cp)
{
G_LABEL_DEBUG(1, "Label %s resized.",
LIST_FIRST(&cp->geom->provider)->name);
g_slice_config(cp->geom, 0, G_SLICE_CONFIG_FORCE, (off_t)0,
cp->provider->mediasize, cp->provider->sectorsize, NULL);
}
static int
g_label_is_name_ok(const char *label)
{
@ -208,6 +219,7 @@ g_label_create(struct gctl_req *req, struct g_class *mp, struct g_provider *pp,
}
gp->orphan = g_label_orphan;
gp->spoiled = g_label_spoiled;
gp->resize = g_label_resize;
g_access(cp, -1, 0, 0);
g_slice_config(gp, 0, G_SLICE_CONFIG_SET, (off_t)0, mediasize,
pp->sectorsize, "%s", name);