3006 VERIFY[S,U,P] and ASSERT[S,U,P] frequently check if first argument is zero

*** 18,29 ****
--- 18,31 ----
   *
   * CDDL HEADER END
   */
  /*
   * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+  * Copyright (c) 2012 by Delphix. All rights reserved.
   */
  
+ 
  /* Portions Copyright 2007 Jeremy Teo */
  
  #ifdef _KERNEL
  #include <sys/types.h>
  #include <sys/param.h>
*** 804,814 ****
          if (vap->va_type == VDIR) {
                  if (zfsvfs->z_replay) {
                          err = zap_create_claim_norm(zfsvfs->z_os, obj,
                              zfsvfs->z_norm, DMU_OT_DIRECTORY_CONTENTS,
                              obj_type, bonuslen, tx);
!                         ASSERT3U(err, ==, 0);
                  } else {
                          obj = zap_create_norm(zfsvfs->z_os,
                              zfsvfs->z_norm, DMU_OT_DIRECTORY_CONTENTS,
                              obj_type, bonuslen, tx);
                  }
--- 806,816 ----
          if (vap->va_type == VDIR) {
                  if (zfsvfs->z_replay) {
                          err = zap_create_claim_norm(zfsvfs->z_os, obj,
                              zfsvfs->z_norm, DMU_OT_DIRECTORY_CONTENTS,
                              obj_type, bonuslen, tx);
!                         ASSERT0(err);
                  } else {
                          obj = zap_create_norm(zfsvfs->z_os,
                              zfsvfs->z_norm, DMU_OT_DIRECTORY_CONTENTS,
                              obj_type, bonuslen, tx);
                  }
*** 815,825 ****
          } else {
                  if (zfsvfs->z_replay) {
                          err = dmu_object_claim(zfsvfs->z_os, obj,
                              DMU_OT_PLAIN_FILE_CONTENTS, 0,
                              obj_type, bonuslen, tx);
!                         ASSERT3U(err, ==, 0);
                  } else {
                          obj = dmu_object_alloc(zfsvfs->z_os,
                              DMU_OT_PLAIN_FILE_CONTENTS, 0,
                              obj_type, bonuslen, tx);
                  }
--- 817,827 ----
          } else {
                  if (zfsvfs->z_replay) {
                          err = dmu_object_claim(zfsvfs->z_os, obj,
                              DMU_OT_PLAIN_FILE_CONTENTS, 0,
                              obj_type, bonuslen, tx);
!                         ASSERT0(err);
                  } else {
                          obj = dmu_object_alloc(zfsvfs->z_os,
                              DMU_OT_PLAIN_FILE_CONTENTS, 0,
                              obj_type, bonuslen, tx);
                  }
*** 997,1007 ****
                  zfs_xvattr_set(*zpp, (xvattr_t *)vap, tx);
  
          if (obj_type == DMU_OT_ZNODE ||
              acl_ids->z_aclp->z_version < ZFS_ACL_VERSION_FUID) {
                  err = zfs_aclset_common(*zpp, acl_ids->z_aclp, cr, tx);
!                 ASSERT3P(err, ==, 0);
          }
          ZFS_OBJ_HOLD_EXIT(zfsvfs, obj);
  }
  
  /*
--- 999,1009 ----
                  zfs_xvattr_set(*zpp, (xvattr_t *)vap, tx);
  
          if (obj_type == DMU_OT_ZNODE ||
              acl_ids->z_aclp->z_version < ZFS_ACL_VERSION_FUID) {
                  err = zfs_aclset_common(*zpp, acl_ids->z_aclp, cr, tx);
!                 ASSERT0(err);
          }
          ZFS_OBJ_HOLD_EXIT(zfsvfs, obj);
  }
  
  /*
*** 1418,1428 ****
          error = dmu_object_set_blocksize(zp->z_zfsvfs->z_os, zp->z_id,
              size, 0, tx);
  
          if (error == ENOTSUP)
                  return;
!         ASSERT3U(error, ==, 0);
  
          /* What blocksize did we actually get? */
          dmu_object_size_from_db(sa_get_db(zp->z_sa_hdl), &zp->z_blksz, &dummy);
  }
  
--- 1420,1430 ----
          error = dmu_object_set_blocksize(zp->z_zfsvfs->z_os, zp->z_id,
              size, 0, tx);
  
          if (error == ENOTSUP)
                  return;
!         ASSERT0(error);
  
          /* What blocksize did we actually get? */
          dmu_object_size_from_db(sa_get_db(zp->z_sa_hdl), &zp->z_blksz, &dummy);
  }