details: Remove 'detect zeroes' UI

After checking with qemu devs, this option is not really recommended
for common usage and doesn't get used much in practice. So I don't
think it is suitable for the UI

Signed-off-by: Cole Robinson <crobinso@redhat.com>

tests/uitests/test_addhardware.py

@@ -154,7 +154,6 @@ def testAddDisks(app):
     tab.find("Serial:", "text").set_text("ZZZZ")
     tab.combo_select("Cache mode:", "none")
     tab.combo_select("Discard mode:", "ignore")
-    tab.combo_select("Detect zeroes:", "unmap")
     # High number but we are non-sparse by default so it won't complain
     tab.find("GiB", "spin button").set_text("200000")
     _finish(addhw, check=details)

tests/uitests/test_details.py

@@ -414,7 +414,6 @@ def testDetailsEditDiskNet(app):
     tab.find("Serial:", "text").set_text("1234-ABCD")
     tab.combo_select("Cache mode:", "unsafe")
     tab.combo_select("Discard mode:", "unmap")
-    tab.combo_select("Detect zeroes:", "unmap")
     appl.click()
     lib.utils.check(lambda: not appl.sensitive)
 

ui/addstorage.ui

@@ -246,7 +246,7 @@
         <property name="visible">True</property>
         <property name="can-focus">True</property>
         <child>
-          <!-- n-columns=2 n-rows=7 -->
+          <!-- n-columns=2 n-rows=6 -->
           <object class="GtkGrid" id="table19">
             <property name="visible">True</property>
             <property name="can-focus">False</property>
@@ -314,37 +314,6 @@
                 <property name="top-attach">5</property>
               </packing>
             </child>
-            <child>
-              <object class="GtkLabel" id="label-disk-detect-zeroes">
-                <property name="visible">True</property>
-                <property name="can-focus">False</property>
-                <property name="halign">end</property>
-                <property name="label" translatable="yes">Detect _zeroes:</property>
-                <property name="use-underline">True</property>
-                <property name="mnemonic-widget">disk-detect-zeroes</property>
-              </object>
-              <packing>
-                <property name="left-attach">0</property>
-                <property name="top-attach">6</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkComboBox" id="disk-detect-zeroes">
-                <property name="visible">True</property>
-                <property name="can-focus">False</property>
-                <property name="has-entry">True</property>
-                <signal name="changed" handler="on_disk_detect_zeroes_combo_changed" swapped="no"/>
-                <child internal-child="entry">
-                  <object class="GtkEntry">
-                    <property name="can-focus">True</property>
-                  </object>
-                </child>
-              </object>
-              <packing>
-                <property name="left-attach">1</property>
-                <property name="top-attach">6</property>
-              </packing>
-            </child>
             <child>
               <object class="GtkLabel" id="permissions-label">
                 <property name="visible">True</property>

virtManager/device/addstorage.py

@@ -16,12 +16,11 @@ from ..baseclass import vmmGObjectUI
 (
     _EDIT_CACHE,
     _EDIT_DISCARD,
-    _EDIT_DETECT_ZEROES,
     _EDIT_RO,
     _EDIT_SHARE,
     _EDIT_REMOVABLE,
     _EDIT_SERIAL,
-) = range(1, 8)
+) = range(1, 7)
 
 
 class vmmAddStorage(vmmGObjectUI):
@@ -46,7 +45,6 @@ class vmmAddStorage(vmmGObjectUI):
             "on_storage_select_toggled": self._toggle_storage_select,
             "on_disk_cache_combo_changed": _e(_EDIT_CACHE),
             "on_disk_discard_combo_changed": _e(_EDIT_DISCARD),
-            "on_disk_detect_zeroes_combo_changed": _e(_EDIT_DETECT_ZEROES),
             "on_disk_readonly_changed": _e(_EDIT_RO),
             "on_disk_shareable_changed": _e(_EDIT_SHARE),
             "on_disk_removable_changed": _e(_EDIT_REMOVABLE),
@@ -110,13 +108,6 @@ class vmmAddStorage(vmmGObjectUI):
         uiutil.build_simple_combo(
                 self.widget("disk-discard"), values, sort=False)
 
-        # Detect zeroes combo
-        values = [[None, _("Hypervisor default")]]
-        for m in virtinst.DeviceDisk.DETECT_ZEROES_MODES:
-            values.append([m, m])
-        uiutil.build_simple_combo(
-                self.widget("disk-detect-zeroes"), values, sort=False)
-
 
     ##############
     # Public API #
@@ -179,7 +170,6 @@ class vmmAddStorage(vmmGObjectUI):
         self.widget("storage-create-box").set_sensitive(True)
         self.widget("disk-cache").set_active(0)
         self.widget("disk-discard").set_active(0)
-        self.widget("disk-detect-zeroes").set_active(0)
         self.widget("disk-serial").set_text("")
         self.widget("storage-advanced").set_expanded(False)
         self.widget("disk-readonly").set_active(False)
@@ -236,8 +226,6 @@ class vmmAddStorage(vmmGObjectUI):
             disk.driver_cache = vals.get("cache")
         if vals.get("discard") is not None:
             disk.driver_discard = vals.get("discard")
-        if vals.get("detect_zeroes") is not None:
-            disk.driver_detect_zeroes = vals.get("detect_zeroes")
         if vals.get("readonly") is not None:
             disk.read_only = vals.get("readonly")
         if vals.get("shareable") is not None:
@@ -307,7 +295,6 @@ class vmmAddStorage(vmmGObjectUI):
     def set_dev(self, disk):
         cache = disk.driver_cache
         discard = disk.driver_discard
-        detect_zeroes = disk.driver_detect_zeroes
         ro = disk.read_only
         share = disk.shareable
         removable = bool(disk.removable)
@@ -317,8 +304,6 @@ class vmmAddStorage(vmmGObjectUI):
 
         uiutil.set_list_selection(self.widget("disk-cache"), cache)
         uiutil.set_list_selection(self.widget("disk-discard"), discard)
-        uiutil.set_list_selection(
-                self.widget("disk-detect-zeroes"), detect_zeroes)
 
         self.widget("disk-serial").set_text(serial or "")
         self.widget("disk-readonly").set_active(ro)
@@ -339,9 +324,6 @@ class vmmAddStorage(vmmGObjectUI):
         if _EDIT_DISCARD in self._active_edits:
             ret["discard"] = uiutil.get_list_selection(
                     self.widget("disk-discard"))
-        if _EDIT_DETECT_ZEROES in self._active_edits:
-            ret["detect_zeroes"] = uiutil.get_list_selection(
-                    self.widget("disk-detect-zeroes"))
         if _EDIT_RO in self._active_edits:
             ret["readonly"] = self.widget("disk-readonly").get_active()
         if _EDIT_SHARE in self._active_edits:

virtManager/object/domain.py

@@ -777,7 +777,7 @@ class vmmDomain(vmmLibvirtObject):
     def define_disk(self, devobj, do_hotplug,
             path=_SENTINEL, readonly=_SENTINEL,
             shareable=_SENTINEL, removable=_SENTINEL, cache=_SENTINEL,
-            discard=_SENTINEL, detect_zeroes=_SENTINEL, bus=_SENTINEL,
+            discard=_SENTINEL, bus=_SENTINEL,
             serial=_SENTINEL):
         xmlobj = self._make_xmlobj_to_define()
         editdev = self._lookup_device_to_define(xmlobj, devobj, do_hotplug)
@@ -802,8 +802,6 @@ class vmmDomain(vmmLibvirtObject):
             editdev.driver_cache = cache or None
         if discard != _SENTINEL:
             editdev.driver_discard = discard or None
-        if detect_zeroes != _SENTINEL:
-            editdev.driver_detect_zeroes = detect_zeroes or None
 
         if bus != _SENTINEL:
             editdev.change_bus(self.xmlobj, bus)

virtinst/devices/disk.py

@@ -193,12 +193,6 @@ class DeviceDisk(Device):
     DISCARD_MODE_UNMAP = "unmap"
     DISCARD_MODES = [DISCARD_MODE_IGNORE, DISCARD_MODE_UNMAP]
 
-    DETECT_ZEROES_MODE_OFF = "off"
-    DETECT_ZEROES_MODE_ON = "on"
-    DETECT_ZEROES_MODE_UNMAP = "unmap"
-    DETECT_ZEROES_MODES = [DETECT_ZEROES_MODE_OFF, DETECT_ZEROES_MODE_ON,
-                           DETECT_ZEROES_MODE_UNMAP]
-
     DEVICE_DISK = "disk"
     DEVICE_LUN = "lun"
     DEVICE_CDROM = "cdrom"