Author: delphij
Date: Tue Jun 21 04:46:00 2011
New Revision: 223356
URL: http://svn.freebsd.org/changeset/base/223356
Log:
Mod the offset padding by alignment. Without this change we may
pad too much when underlying GEOM object have a zero stripesize.
MFC after: 1 month
Modified:
head/sbin/geom/class/part/geom_part.c
Modified: head/sbin/geom/class/part/geom_part.c
==============================================================================
--- head/sbin/geom/class/part/geom_part.c Tue Jun 21 04:06:39 2011
(r223355)
+++ head/sbin/geom/class/part/geom_part.c Tue Jun 21 04:46:00 2011
(r223356)
@@ -362,7 +362,7 @@ gpart_autofill_resize(struct gctl_req *r
goto done;
}
- offset = pp->lg_stripeoffset / pp->lg_sectorsize;
+ offset = (pp->lg_stripeoffset / pp->lg_sectorsize) % alignment;
last = (off_t)strtoimax(find_geomcfg(gp, "last"), NULL, 0);
LIST_FOREACH(pp, &gp->lg_provider, lg_provider) {
s = find_provcfg(pp, "index");
@@ -497,7 +497,7 @@ gpart_autofill(struct gctl_req *req)
alignment = len;
/* Adjust parameters to stripeoffset */
- offset = pp->lg_stripeoffset / pp->lg_sectorsize;
+ offset = (pp->lg_stripeoffset / pp->lg_sectorsize) % alignment;
start = ALIGNUP(start + offset, alignment);
if (size > alignment)
size = ALIGNDOWN(size, alignment);
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