svn commit: r252306 - in stable/8: cddl/contrib/opensolaris/cmd/zpool sys/cddl/compat/opensolaris/sys sys/cddl/contrib/opensolaris/uts/common/fs/zfs

[Steven Hartland]

Author: smh
Date: Thu Jun 27 14:32:51 2013
New Revision: 252306
URL: http://svnweb.freebsd.org/changeset/base/252306

Log:
  MFC r252056:
  Fix destroyed ZFS pools failing to import
  
  MFC r252059:
  Fix ZFS zpool freeze (debug command) not processing due to invalid ioctl call syntax.
  
  MFC r252060:
  Fix intermittent ZFS lock panic
  
  MFC r252061:
  Switch ZFS mutex_owner macro to use sx_xholder as its now exported via sx.h

Modified:
  stable/8/cddl/contrib/opensolaris/cmd/zpool/zpool_main.c
  stable/8/sys/cddl/compat/opensolaris/sys/mutex.h
  stable/8/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev.c
  stable/8/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_geom.c
Directory Properties:
  stable/8/cddl/contrib/opensolaris/   (props changed)
  stable/8/sys/   (props changed)
  stable/8/sys/cddl/   (props changed)
  stable/8/sys/cddl/contrib/opensolaris/   (props changed)

Modified: stable/8/cddl/contrib/opensolaris/cmd/zpool/zpool_main.c
==============================================================================
--- stable/8/cddl/contrib/opensolaris/cmd/zpool/zpool_main.c	Thu Jun 27 13:03:19 2013	(r252305)
+++ stable/8/cddl/contrib/opensolaris/cmd/zpool/zpool_main.c	Thu Jun 27 14:32:51 2013	(r252306)
@@ -5332,10 +5332,9 @@ main(int argc, char **argv)
 		 * 'freeze' is a vile debugging abomination, so we treat
 		 * it as such.
 		 */
-		char buf[16384];
-		int fd = open(ZFS_DEV, O_RDWR);
-		(void) strcpy((void *)buf, argv[2]);
-		return (!!ioctl(fd, ZFS_IOC_POOL_FREEZE, buf));
+		zfs_cmd_t zc = { 0 };
+		(void) strlcpy(zc.zc_name, argv[2], sizeof (zc.zc_name));
+		return (!!zfs_ioctl(g_zfs, ZFS_IOC_POOL_FREEZE, &zc));
 	} else {
 		(void) fprintf(stderr, gettext("unrecognized "
 		    "command '%s'\n"), cmdname);

Modified: stable/8/sys/cddl/compat/opensolaris/sys/mutex.h
==============================================================================
--- stable/8/sys/cddl/compat/opensolaris/sys/mutex.h	Thu Jun 27 13:03:19 2013	(r252305)
+++ stable/8/sys/cddl/compat/opensolaris/sys/mutex.h	Thu Jun 27 14:32:51 2013	(r252306)
@@ -71,8 +71,7 @@ typedef struct sx	kmutex_t;
 #define	mutex_tryenter(lock)	sx_try_xlock(lock)
 #define	mutex_exit(lock)	sx_xunlock(lock)
 #define	mutex_owned(lock)	sx_xlocked(lock)
-/* TODO: Change to sx_xholder() once it is moved from kern_sx.c to sx.h. */
-#define	mutex_owner(lock)	((lock)->sx_lock & SX_LOCK_SHARED ? NULL : (struct thread *)SX_OWNER((lock)->sx_lock))
+#define	mutex_owner(lock)	sx_xholder(lock)
 
 #endif	/* _KERNEL */
 

Modified: stable/8/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev.c
==============================================================================
--- stable/8/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev.c	Thu Jun 27 13:03:19 2013	(r252305)
+++ stable/8/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev.c	Thu Jun 27 14:32:51 2013	(r252306)
@@ -1834,6 +1834,7 @@ vdev_dtl_sync(vdev_t *vd, uint64_t txg)
 		vdev_config_dirty(vd->vdev_top);
 	}
 
+	bzero(&smlock, sizeof (smlock));
 	mutex_init(&smlock, NULL, MUTEX_DEFAULT, NULL);
 
 	space_map_create(&smsync, sm->sm_start, sm->sm_size, sm->sm_shift,

Modified: stable/8/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_geom.c
==============================================================================
--- stable/8/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_geom.c	Thu Jun 27 13:03:19 2013	(r252305)
+++ stable/8/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_geom.c	Thu Jun 27 14:32:51 2013	(r252306)
@@ -270,8 +270,7 @@ vdev_geom_read_config(struct g_consumer 
 			continue;
 
 		if (nvlist_lookup_uint64(*config, ZPOOL_CONFIG_POOL_STATE,
-		    &state) != 0 || state == POOL_STATE_DESTROYED ||
-		    state > POOL_STATE_L2CACHE) {
+		    &state) != 0 || state > POOL_STATE_L2CACHE) {
 			nvlist_free(*config);
 			*config = NULL;
 			continue;