3956 ::vdev -r should work with pipelines
3957 ztest should update the cachefile before killing itself
3958 multiple scans can lead to partial resilvering
3959 ddt entries are not always resilvered
3960 dsl_scan can skip over dedup-ed blocks if physical birth != logical birth
3961 freed gang blocks are not resilvered and can cause pool to suspend
3962 ztest should print out zfs debug buffer before exiting
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Adam Leventhal <ahl@delphix.com>

*** 18,28 ****
   *
   * CDDL HEADER END
   */
  /*
   * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
!  * Copyright (c) 2012 by Delphix. All rights reserved.
   */
  
  #include <sys/zfs_context.h>
  
  list_t zfs_dbgmsgs;
--- 18,28 ----
   *
   * CDDL HEADER END
   */
  /*
   * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
!  * Copyright (c) 2013 by Delphix. All rights reserved.
   */
  
  #include <sys/zfs_context.h>
  
  list_t zfs_dbgmsgs;
*** 92,96 ****
--- 92,109 ----
                  kmem_free(zdm, size);
                  zfs_dbgmsg_size -= size;
          }
          mutex_exit(&zfs_dbgmsgs_lock);
  }
+ 
+ void
+ zfs_dbgmsg_print(const char *tag)
+ {
+         zfs_dbgmsg_t *zdm;
+ 
+         (void) printf("ZFS_DBGMSG(%s):\n", tag);
+         mutex_enter(&zfs_dbgmsgs_lock);
+         for (zdm = list_head(&zfs_dbgmsgs); zdm;
+             zdm = list_next(&zfs_dbgmsgs, zdm))
+                 (void) printf("%s\n", zdm->zdm_msg);
+         mutex_exit(&zfs_dbgmsgs_lock);
+ }