udisks2/udisks-2.10.0-lvm2_update_epoch.patch
Tomas Bzatek 10280ed660 * Fri Jun 02 2023 Tomas Bzatek <tbzatek@redhat.com> - 2.9.4-8
- iscsi: CHAP auth algorithm selection fixes (#2188916)
- tests: Use stronger passphrases for LUKS tests (#2188750,#2188752)
- integration-test: Fix scsi_debug cd drive read-only detection (#2211191)
- lvm2: Improve uevent processing (#2031673)
- tests: Mark test_job.UdisksJobTest.test_job as unstable (#2148844)

Resolves: #2188916,#2188750,#2188752,#2211191,#2031673,#2148844
2023-06-02 15:23:19 +02:00

114 lines
3.8 KiB
Diff

From 28c39786927ad683f56c031d80a5c06f5b5b9aea Mon Sep 17 00:00:00 2001
From: Marius Vollmer <mvollmer@redhat.com>
Date: Tue, 5 Apr 2022 11:23:23 +0300
Subject: [PATCH] lvm2: Only install results of most recently started udpates
Fixes #966
---
modules/lvm2/udiskslinuxmodulelvm2.c | 13 ++++++++++++-
modules/lvm2/udiskslinuxvolumegroupobject.c | 12 ++++++++++++
2 files changed, 24 insertions(+), 1 deletion(-)
diff --git a/modules/lvm2/udiskslinuxmodulelvm2.c b/modules/lvm2/udiskslinuxmodulelvm2.c
index 8e1ea13aec..77ecf94a6d 100644
--- a/modules/lvm2/udiskslinuxmodulelvm2.c
+++ b/modules/lvm2/udiskslinuxmodulelvm2.c
@@ -59,6 +59,8 @@ struct _UDisksLinuxModuleLVM2 {
gint delayed_update_id;
gboolean coldplug_done;
+
+ guint32 update_epoch;
};
typedef struct _UDisksLinuxModuleLVM2Class UDisksLinuxModuleLVM2Class;
@@ -86,6 +88,7 @@ udisks_linux_module_lvm2_constructed (GObject *object)
module->name_to_volume_group = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, (GDestroyNotify) g_object_unref);
module->coldplug_done = FALSE;
+ module->update_epoch = 0;
if (G_OBJECT_CLASS (udisks_linux_module_lvm2_parent_class)->constructed)
G_OBJECT_CLASS (udisks_linux_module_lvm2_parent_class)->constructed (object);
@@ -221,6 +224,12 @@ lvm_update_vgs (GObject *source_obj,
gpointer key, value;
const gchar *vg_name;
+ if (GPOINTER_TO_UINT (user_data) != module->update_epoch)
+ {
+ vgs_pvs_data_free (data);
+ return;
+ }
+
if (! data)
{
if (error)
@@ -303,11 +312,13 @@ lvm_update (UDisksLinuxModuleLVM2 *module)
{
GTask *task;
+ module->update_epoch++;
+
/* the callback (lvm_update_vgs) is called in the default main loop (context) */
task = g_task_new (module,
NULL /* cancellable */,
lvm_update_vgs,
- NULL /* callback_data */);
+ GUINT_TO_POINTER (module->update_epoch));
/* holds a reference to 'task' until it is finished */
g_task_run_in_thread (task, (GTaskThreadFunc) vgs_task_func);
diff --git a/modules/lvm2/udiskslinuxvolumegroupobject.c b/modules/lvm2/udiskslinuxvolumegroupobject.c
index ce941cb250..ead08de7b1 100644
--- a/modules/lvm2/udiskslinuxvolumegroupobject.c
+++ b/modules/lvm2/udiskslinuxvolumegroupobject.c
@@ -66,6 +66,7 @@ struct _UDisksLinuxVolumeGroupObject
gchar *name;
GHashTable *logical_volumes;
+ guint32 update_epoch;
guint32 poll_epoch;
guint poll_timeout_id;
gboolean poll_requested;
@@ -99,6 +100,7 @@ static void crypttab_changed (UDisksCrypttabMonitor *monitor,
typedef struct {
BDLVMVGdata *vg_info;
GSList *vg_pvs;
+ guint32 epoch;
} VGUpdateData;
static void
@@ -183,6 +185,7 @@ udisks_linux_volume_group_object_set_property (GObject *__object,
static void
udisks_linux_volume_group_object_init (UDisksLinuxVolumeGroupObject *object)
{
+ object->update_epoch = 0;
object->poll_epoch = 0;
object->poll_timeout_id = 0;
object->poll_requested = FALSE;
@@ -575,6 +578,12 @@ update_vg (GObject *source_obj,
BDLVMVGdata *vg_info = data->vg_info;
GSList *vg_pvs = data->vg_pvs;
+ if (data->epoch != object->update_epoch)
+ {
+ lv_list_free (lvs);
+ return;
+ }
+
/* free the data container (but not 'vg_info' and 'vg_pvs') */
g_free (data);
@@ -711,8 +720,11 @@ udisks_linux_volume_group_object_update (UDisksLinuxVolumeGroupObject *object, B
gchar *vg_name = g_strdup (vg_info->name);
GTask *task = NULL;
+ object->update_epoch++;
+
data->vg_info = vg_info;
data->vg_pvs = pvs;
+ data->epoch = object->update_epoch;
/* the callback (update_vg) is called in the default main loop (context) */
task = g_task_new (g_object_ref (object), NULL /* cancellable */, update_vg, data /* callback_data */);