diff --git a/perl5/PVE/Storage/LunCmd/FreeNAS.pm b/perl5/PVE/Storage/LunCmd/FreeNAS.pm
index e68bf9c..71d24ec 100644
--- a/perl5/PVE/Storage/LunCmd/FreeNAS.pm
+++ b/perl5/PVE/Storage/LunCmd/FreeNAS.pm
@@ -148,16 +148,8 @@ sub run_create_lu {
     my $target_id = freenas_get_targetid($scfg);
     die "Unable to find the target id for $scfg->{target}" if !defined($target_id);
 
-    my $bs=$scfg->{blocksize};
-    if (index($bs, "k") >= 0) {
-       chop($bs); $bs = $bs * 1024;
-       syslog("info","FreeNAS::create_lu(lun_path=$lun_path, lun_id=$lun_id) : blocksize convert $scfg->{blocksize} = $bs");
-    } else {
-       syslog("info","FreeNAS::create_lu(lun_path=$lun_path, lun_id=$lun_id) : blocksize $bs");
-    }
-
     # Create the extent
-    my $extent = freenas_iscsi_create_extent($scfg, $lun_path, $bs);
+    my $extent = freenas_iscsi_create_extent($scfg, $lun_path);
 
     # Associate the new extent to the target
     my $link = freenas_iscsi_create_target_to_extent($scfg, $target_id, $extent->{'id'}, $lun_id);
@@ -315,10 +307,9 @@ sub freenas_iscsi_get_extent {
 # Parameters:
 #   - target config (scfg)
 #   - lun_path
-#   - lun_bs
 #
 sub freenas_iscsi_create_extent {
-    my ($scfg, $lun_path, $lun_bs) = @_;
+    my ($scfg, $lun_path) = @_;
 
     my $name = $lun_path;
     $name  =~ s/^.*\///; # all from last /
@@ -330,7 +321,6 @@ sub freenas_iscsi_create_extent {
     my $request = {
         "iscsi_target_extent_type"      => "Disk",
         "iscsi_target_extent_name"      => $name,
-        "iscsi_target_extent_blocksize" => $lun_bs,
         "iscsi_target_extent_disk"      => $device,
     };
 
@@ -338,7 +328,7 @@ sub freenas_iscsi_create_extent {
     my $code = $client->responseCode();
     if ($code == 201) {
         my $result = decode_json($client->responseContent());
-        syslog("info", "FreeNAS::API::create_extent(lun_path=" . $result->{'iscsi_target_extent_path'} . ", lun_bs=$lun_bs) : sucessfull");
+        syslog("info", "FreeNAS::API::create_extent(lun_path=" . $result->{'iscsi_target_extent_path'} . ") : sucessfull");
         return $result;
     } else {
         freenas_api_log_error($client, "create_extent");
diff --git a/pve-docs/api-viewer/apidoc-5.3-1.js.patch b/pve-docs/api-viewer/apidoc-5.3-1_1.js.patch
similarity index 97%
rename from pve-docs/api-viewer/apidoc-5.3-1.js.patch
rename to pve-docs/api-viewer/apidoc-5.3-1_1.js.patch
index be00eb5..47bdbd2 100644
--- a/pve-docs/api-viewer/apidoc-5.3-1.js.patch
+++ b/pve-docs/api-viewer/apidoc-5.3-1_1.js.patch
@@ -1,5 +1,5 @@
---- apidoc-5.3-1.js	2018-11-29 07:15:54.000000000 -0500
-+++ apidoc.js	2018-12-12 07:50:46.935472070 -0500
+--- apidoc-5.3-1.js	2018-12-21 12:46:55.459865478 -0500
++++ apidoc.js	2018-12-06 15:50:21.487987807 -0500
 @@ -33477,6 +33477,31 @@
                             "type" : "string",
                             "typetext" : "<string>"
diff --git a/pve-docs/api-viewer/apidoc.js.patch b/pve-docs/api-viewer/apidoc.js.patch
index be00eb5..47bdbd2 100644
--- a/pve-docs/api-viewer/apidoc.js.patch
+++ b/pve-docs/api-viewer/apidoc.js.patch
@@ -1,5 +1,5 @@
---- apidoc-5.3-1.js	2018-11-29 07:15:54.000000000 -0500
-+++ apidoc.js	2018-12-12 07:50:46.935472070 -0500
+--- apidoc-5.3-1.js	2018-12-21 12:46:55.459865478 -0500
++++ apidoc.js	2018-12-06 15:50:21.487987807 -0500
 @@ -33477,6 +33477,31 @@
                             "type" : "string",
                             "typetext" : "<string>"
diff --git a/pve-manager/js/pvemanagerlib-5.3-5.js.patch b/pve-manager/js/pvemanagerlib-5.3-5_3.js.patch
similarity index 93%
rename from pve-manager/js/pvemanagerlib-5.3-5.js.patch
rename to pve-manager/js/pvemanagerlib-5.3-5_3.js.patch
index b2eadf0..07b399f 100644
--- a/pve-manager/js/pvemanagerlib-5.3-5.js.patch
+++ b/pve-manager/js/pvemanagerlib-5.3-5_3.js.patch
@@ -1,5 +1,5 @@
---- pvemanagerlib-5.3-5.js	2018-12-03 06:13:25.000000000 -0500
-+++ pvemanagerlib.js	2018-12-12 07:51:20.483169368 -0500
+--- pvemanagerlib-5.3-5.js	2018-12-21 12:34:35.727962756 -0500
++++ pvemanagerlib.js	2018-12-21 12:43:02.370462786 -0500
 @@ -5854,6 +5854,7 @@
      alias: ['widget.pveiScsiProviderSelector'],
      comboItems: [
@@ -54,7 +54,12 @@
  		name: 'pool',
  		value: '',
  		fieldLabel: gettext('Pool'),
-@@ -30046,7 +30058,7 @@
+@@ -30042,11 +30054,11 @@
+ 		xtype: me.isCreate ? 'textfield' : 'displayfield',
+ 		name: 'blocksize',
+ 		value: '4k',
+-		fieldLabel: gettext('Block Size'),
++		fieldLabel: gettext('ZFS Block Size'),
  		allowBlank: false
  	    },
  	    {
diff --git a/pve-manager/js/pvemanagerlib.js.patch b/pve-manager/js/pvemanagerlib.js.patch
index b2eadf0..07b399f 100644
--- a/pve-manager/js/pvemanagerlib.js.patch
+++ b/pve-manager/js/pvemanagerlib.js.patch
@@ -1,5 +1,5 @@
---- pvemanagerlib-5.3-5.js	2018-12-03 06:13:25.000000000 -0500
-+++ pvemanagerlib.js	2018-12-12 07:51:20.483169368 -0500
+--- pvemanagerlib-5.3-5.js	2018-12-21 12:34:35.727962756 -0500
++++ pvemanagerlib.js	2018-12-21 12:43:02.370462786 -0500
 @@ -5854,6 +5854,7 @@
      alias: ['widget.pveiScsiProviderSelector'],
      comboItems: [
@@ -54,7 +54,12 @@
  		name: 'pool',
  		value: '',
  		fieldLabel: gettext('Pool'),
-@@ -30046,7 +30058,7 @@
+@@ -30042,11 +30054,11 @@
+ 		xtype: me.isCreate ? 'textfield' : 'displayfield',
+ 		name: 'blocksize',
+ 		value: '4k',
+-		fieldLabel: gettext('Block Size'),
++		fieldLabel: gettext('ZFS Block Size'),
  		allowBlank: false
  	    },
  	    {