7378 exported_lock held during nfs4 compound processing

*** 190,200 ****
                  VN_RELE(vp);
                  *vpp = pre_tvp;
                  return (0);
          }
  
!         newexi = checkexport4(&vp->v_vfsp->vfs_fsid, &fid, vp);
          if (newexi == NULL) {
                  if (ismntpt == 0) {
                          *vpp = vp;
                  } else {
                          VN_RELE(vp);
--- 190,200 ----
                  VN_RELE(vp);
                  *vpp = pre_tvp;
                  return (0);
          }
  
!         newexi = checkexport(&vp->v_vfsp->vfs_fsid, &fid, vp);
          if (newexi == NULL) {
                  if (ismntpt == 0) {
                          *vpp = vp;
                  } else {
                          VN_RELE(vp);
*** 223,232 ****
--- 223,233 ----
          /* Reset what call_checkauth4() may have set */
          *cs->statusp = NFS4_OK;
  
          if (status != NFS4_OK) {
                  VN_RELE(vp);
+                 exi_rele(newexi);
                  if (status == NFS4ERR_DELAY)
                          status = NFS4ERR_ACCESS;
                  return (status);
          }
          *vpp = vp;
*** 693,704 ****
                  if (vp) {
                          VN_RELE(vp);
                          vp = NULL;
                  }
  
!                 if (newexi)
                          newexi = NULL;
  
                  rddir_result_size -= dp->d_reclen;
  
                  /* skip "." and ".." entries */
                  if (dp->d_ino == 0 || NFS_IS_DOTNAME(dp->d_name)) {
--- 694,707 ----
                  if (vp) {
                          VN_RELE(vp);
                          vp = NULL;
                  }
  
!                 if (newexi) {
!                         exi_rele(newexi);
                          newexi = NULL;
+                 }
  
                  rddir_result_size -= dp->d_reclen;
  
                  /* skip "." and ".." entries */
                  if (dp->d_ino == 0 || NFS_IS_DOTNAME(dp->d_name)) {
*** 1488,1497 ****
--- 1491,1505 ----
                  lastentry_ptr = ptr;
                  nents++;
                  rddir_next_offset = dp->d_off;
          }
  
+         if (newexi) {
+                 exi_rele(newexi);
+                 newexi = NULL;
+         }
+ 
          /*
           * Check for the case that another VOP_READDIR() has to be done.
           * - no space encoding error
           * - no entry successfully encoded
           * - still more directory to read