svn commit: r207181 - head/sys/geom/part

[Marcel Moolenaar]

Author: marcel
Date: Sun Apr 25 01:56:39 2010
New Revision: 207181
URL: http://svn.freebsd.org/changeset/base/207181

Log:
  Re-calculate a geometry when reprobing as well.
  
  PR:		kern/145452
  Reported by:	"Andrey V. Elsukov" <bu7cher at yandex.ru>

Modified:
  head/sys/geom/part/g_part.c

Modified: head/sys/geom/part/g_part.c
==============================================================================
--- head/sys/geom/part/g_part.c	Sun Apr 25 01:56:31 2010	(r207180)
+++ head/sys/geom/part/g_part.c	Sun Apr 25 01:56:39 2010	(r207181)
@@ -1166,6 +1166,15 @@ g_part_ctl_undo(struct gctl_req *req, st
 			return (0);
 		}
 		table = gp->softc;
+
+		/*
+		 * Synthesize a disk geometry. Some partitioning schemes
+		 * depend on it and since some file systems need it even
+		 * when the partitition scheme doesn't, we do it here in
+		 * scheme-independent code.
+		 */
+		pp = cp->provider;
+		g_part_geometry(table, cp, pp->mediasize / pp->sectorsize);
 	}
 
 	error = G_PART_READ(table, cp);