config_plex: Initialize mutex for parity plexes.

remove_plex_entry: Destroy mutex for parity plexes.

Part of rewrite of RAID-[45] locking code.

1 files changed, 10 insertions, 1 deletions

diff --git a/sys/dev/vinum/vinumconfig.c b/sys/dev/vinum/vinumconfig.c
index 7dd36db..5251f24 100644
--- a/sys/dev/vinum/vinumconfig.c
+++ b/sys/dev/vinum/vinumconfig.c
@@ -45,7 +45,7 @@
  * otherwise) arising in any way out of the use of this software, even if
  * advised of the possibility of such damage.
  *
- * $Id: vinumconfig.c,v 1.30 2000/05/01 09:45:50 grog Exp grog $
+ * $Id: vinumconfig.c,v 1.31 2001/01/10 01:16:00 grog Exp grog $
  * $FreeBSD$
  */
 
@@ -1393,6 +1393,13 @@ config_plex(int update)
 	sprintf(plexsuffix, ".p%d", pindex);		    /* form the suffix */
 	strcat(plex->name, plexsuffix);			    /* and add it to the name */
     }
+    if (isparity(plex)) {
+	plex->lock = (struct rangelock *)
+	    Malloc(PLEX_LOCKS * sizeof(struct rangelock));
+	CHECKALLOC(plex->lock, "vinum: Can't allocate lock table\n");
+	bzero((char *) plex->lock, PLEX_LOCKS * sizeof(struct rangelock));
+	mtx_init(&plex->lockmtx, plex->name, MTX_DEF);
+    }
     /* Note the last plex we configured */
     current_plex = plexno;
     plex->state = state;				    /* set whatever state we chose */
@@ -1774,6 +1781,8 @@ remove_plex_entry(int plexno, int force, int recurse)
 	}
     }
     log(LOG_INFO, "vinum: removing %s\n", plex->name);
+    if (isparity(plex))
+	mtx_destroy(&plex->lockmtx);
     free_plex(plexno);
     vinum_conf.plexes_used--;				    /* one less plex */
 }