svn commit: r218407 - projects/graid/head/sys/geom/raid

[Alexander Motin]

Author: mav
Date: Mon Feb  7 16:33:00 2011
New Revision: 218407
URL: http://svn.freebsd.org/changeset/base/218407

Log:
  After unclean shutdown we have to restart rebuild and resync processes
  from the beginning. We can't trust completed portions synchronicity.

Modified:
  projects/graid/head/sys/geom/raid/md_intel.c

Modified: projects/graid/head/sys/geom/raid/md_intel.c
==============================================================================
--- projects/graid/head/sys/geom/raid/md_intel.c	Mon Feb  7 16:14:12 2011	(r218406)
+++ projects/graid/head/sys/geom/raid/md_intel.c	Mon Feb  7 16:33:00 2011	(r218407)
@@ -737,10 +737,14 @@ nofit:
 				/* Rebuilding disk. */
 				g_raid_change_subdisk_state(sd,
 				    G_RAID_SUBDISK_S_REBUILD);
-				sd->sd_rebuild_pos =
-				    (off_t)mvol->curr_migr_unit *
-				    sd->sd_volume->v_strip_size *
-				    mmap0->total_domains;
+				if (mvol->dirty) {
+					sd->sd_rebuild_pos = 0;
+				} else {
+					sd->sd_rebuild_pos =
+					    (off_t)mvol->curr_migr_unit *
+					    sd->sd_volume->v_strip_size *
+					    mmap0->total_domains;
+				}
 			}
 		} else if (mvol->migr_type == INTEL_MT_VERIFY ||
 			   mvol->migr_type == INTEL_MT_REPAIR) {
@@ -756,10 +760,14 @@ nofit:
 				/* Resyncing disk. */
 				g_raid_change_subdisk_state(sd,
 				    G_RAID_SUBDISK_S_RESYNC);
-				sd->sd_rebuild_pos =
-				    (off_t)mvol->curr_migr_unit *
-				    sd->sd_volume->v_strip_size *
-				    mmap0->total_domains;
+				if (mvol->dirty) {
+					sd->sd_rebuild_pos = 0;
+				} else {
+					sd->sd_rebuild_pos =
+					    (off_t)mvol->curr_migr_unit *
+					    sd->sd_volume->v_strip_size *
+					    mmap0->total_domains;
+				}
 			}
 		}
 		g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,