libvirt/SOURCES/libvirt-qemu-lxc-remove-use-to-nwfilter-update-lock.patch

From 7bcd75ca73d8eda05fafa8342309a8fd058cd326 Mon Sep 17 00:00:00 2001
Message-Id: <7bcd75ca73d8eda05fafa8342309a8fd058cd326@dist-git>
From: =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= <berrange@redhat.com>
Date: Thu, 24 Feb 2022 19:02:32 +0000
Subject: [PATCH] qemu,lxc: remove use to nwfilter update lock
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Now that the virNWFilterBinding APIs are using the nwfilter
update lock directly, there is no need for the virt drivers
to do it themselves.

Reviewed-by: Laine Stump <laine@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
(cherry picked from commit 5f8b090f421cd6a6c46f44905431491e2d3cf8f5)
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2044379
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
---
 src/lxc/lxc_driver.c      |  6 ------
 src/qemu/qemu_driver.c    | 18 ------------------
 src/qemu/qemu_migration.c |  3 ---
 src/qemu/qemu_process.c   |  4 ----
 4 files changed, 31 deletions(-)

diff --git a/src/lxc/lxc_driver.c b/src/lxc/lxc_driver.c
index 7bc39120ee..e581c62668 100644
--- a/src/lxc/lxc_driver.c
+++ b/src/lxc/lxc_driver.c
@@ -971,8 +971,6 @@ static int lxcDomainCreateWithFiles(virDomainPtr dom,
 
     virCheckFlags(VIR_DOMAIN_START_AUTODESTROY, -1);
 
-    virNWFilterReadLockFilterUpdates();
-
     if (!(vm = lxcDomObjFromDomain(dom)))
         goto cleanup;
 
@@ -1014,7 +1012,6 @@ static int lxcDomainCreateWithFiles(virDomainPtr dom,
  cleanup:
     virDomainObjEndAPI(&vm);
     virObjectEventStateQueue(driver->domainEventState, event);
-    virNWFilterUnlockFilterUpdates();
     return ret;
 }
 
@@ -1080,8 +1077,6 @@ lxcDomainCreateXMLWithFiles(virConnectPtr conn,
     if (flags & VIR_DOMAIN_START_VALIDATE)
         parse_flags |= VIR_DOMAIN_DEF_PARSE_VALIDATE_SCHEMA;
 
-    virNWFilterReadLockFilterUpdates();
-
     if (!(caps = virLXCDriverGetCapabilities(driver, false)))
         goto cleanup;
 
@@ -1138,7 +1133,6 @@ lxcDomainCreateXMLWithFiles(virConnectPtr conn,
  cleanup:
     virDomainObjEndAPI(&vm);
     virObjectEventStateQueue(driver->domainEventState, event);
-    virNWFilterUnlockFilterUpdates();
     return dom;
 }
 
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index d3d76c003f..00a86b6c7c 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -1603,8 +1603,6 @@ static virDomainPtr qemuDomainCreateXML(virConnectPtr conn,
     if (flags & VIR_DOMAIN_START_AUTODESTROY)
         start_flags |= VIR_QEMU_PROCESS_START_AUTODESTROY;
 
-    virNWFilterReadLockFilterUpdates();
-
     if (!(def = virDomainDefParseString(xml, driver->xmlopt,
                                         NULL, parse_flags)))
         goto cleanup;
@@ -1658,7 +1656,6 @@ static virDomainPtr qemuDomainCreateXML(virConnectPtr conn,
     virDomainObjEndAPI(&vm);
     virObjectEventStateQueue(driver->domainEventState, event);
     virObjectEventStateQueue(driver->domainEventState, event2);
-    virNWFilterUnlockFilterUpdates();
     return dom;
 }
 
@@ -5773,8 +5770,6 @@ qemuDomainRestoreFlags(virConnectPtr conn,
                   VIR_DOMAIN_SAVE_PAUSED, -1);
 
 
-    virNWFilterReadLockFilterUpdates();
-
     fd = qemuSaveImageOpen(driver, NULL, path, &def, &data,
                            (flags & VIR_DOMAIN_SAVE_BYPASS_CACHE) != 0,
                            &wrapperFd, false, false);
@@ -5846,7 +5841,6 @@ qemuDomainRestoreFlags(virConnectPtr conn,
     if (vm && ret < 0)
         qemuDomainRemoveInactiveJob(driver, vm);
     virDomainObjEndAPI(&vm);
-    virNWFilterUnlockFilterUpdates();
     return ret;
 }
 
@@ -6395,8 +6389,6 @@ qemuDomainCreateWithFlags(virDomainPtr dom, unsigned int flags)
                   VIR_DOMAIN_START_BYPASS_CACHE |
                   VIR_DOMAIN_START_FORCE_BOOT, -1);
 
-    virNWFilterReadLockFilterUpdates();
-
     if (!(vm = qemuDomainObjFromDomain(dom)))
         goto cleanup;
 
@@ -6425,7 +6417,6 @@ qemuDomainCreateWithFlags(virDomainPtr dom, unsigned int flags)
 
  cleanup:
     virDomainObjEndAPI(&vm);
-    virNWFilterUnlockFilterUpdates();
     return ret;
 }
 
@@ -7811,8 +7802,6 @@ qemuDomainAttachDeviceFlags(virDomainPtr dom,
     virDomainObj *vm = NULL;
     int ret = -1;
 
-    virNWFilterReadLockFilterUpdates();
-
     if (!(vm = qemuDomainObjFromDomain(dom)))
         goto cleanup;
 
@@ -7835,7 +7824,6 @@ qemuDomainAttachDeviceFlags(virDomainPtr dom,
 
  cleanup:
     virDomainObjEndAPI(&vm);
-    virNWFilterUnlockFilterUpdates();
     return ret;
 }
 
@@ -7865,8 +7853,6 @@ static int qemuDomainUpdateDeviceFlags(virDomainPtr dom,
                   VIR_DOMAIN_AFFECT_CONFIG |
                   VIR_DOMAIN_DEVICE_MODIFY_FORCE, -1);
 
-    virNWFilterReadLockFilterUpdates();
-
     cfg = virQEMUDriverGetConfig(driver);
 
     if (!(vm = qemuDomainObjFromDomain(dom)))
@@ -7943,7 +7929,6 @@ static int qemuDomainUpdateDeviceFlags(virDomainPtr dom,
     if (dev != dev_copy)
         virDomainDeviceDefFree(dev_copy);
     virDomainObjEndAPI(&vm);
-    virNWFilterUnlockFilterUpdates();
     return ret;
 }
 
@@ -13644,8 +13629,6 @@ qemuDomainRevertToSnapshot(virDomainSnapshotPtr snapshot,
     virDomainObj *vm = NULL;
     int ret = -1;
 
-    virNWFilterReadLockFilterUpdates();
-
     if (!(vm = qemuDomObjFromSnapshot(snapshot)))
         goto cleanup;
 
@@ -13656,7 +13639,6 @@ qemuDomainRevertToSnapshot(virDomainSnapshotPtr snapshot,
 
  cleanup:
     virDomainObjEndAPI(&vm);
-    virNWFilterUnlockFilterUpdates();
     return ret;
 }
 
diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c
index 2635ef1162..358cb9c3b5 100644
--- a/src/qemu/qemu_migration.c
+++ b/src/qemu/qemu_migration.c
@@ -2779,8 +2779,6 @@ qemuMigrationDstPrepareAny(virQEMUDriver *driver,
     int rv;
     g_autofree char *tlsAlias = NULL;
 
-    virNWFilterReadLockFilterUpdates();
-
     if (flags & VIR_MIGRATE_OFFLINE) {
         if (flags & (VIR_MIGRATE_NON_SHARED_DISK |
                      VIR_MIGRATE_NON_SHARED_INC)) {
@@ -3101,7 +3099,6 @@ qemuMigrationDstPrepareAny(virQEMUDriver *driver,
     virDomainObjEndAPI(&vm);
     virObjectEventStateQueue(driver->domainEventState, event);
     qemuMigrationCookieFree(mig);
-    virNWFilterUnlockFilterUpdates();
     virErrorRestore(&origErr);
     return ret;
 
diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index 5c6657a876..914f9bef8b 100644
--- a/src/qemu/qemu_process.c
+++ b/src/qemu/qemu_process.c
@@ -8986,7 +8986,6 @@ qemuProcessReconnect(void *opaque)
             qemuDomainRemoveInactiveJob(driver, obj);
     }
     virDomainObjEndAPI(&obj);
-    virNWFilterUnlockFilterUpdates();
     virIdentitySetCurrent(NULL);
     return;
 
@@ -9038,8 +9037,6 @@ qemuProcessReconnectHelper(virDomainObj *obj,
     data->obj = obj;
     data->identity = virIdentityGetCurrent();
 
-    virNWFilterReadLockFilterUpdates();
-
     /* this lock and reference will be eventually transferred to the thread
      * that handles the reconnect */
     virObjectLock(obj);
@@ -9062,7 +9059,6 @@ qemuProcessReconnectHelper(virDomainObj *obj,
         qemuDomainRemoveInactiveJobLocked(src->driver, obj);
 
         virDomainObjEndAPI(&obj);
-        virNWFilterUnlockFilterUpdates();
         g_clear_object(&data->identity);
         VIR_FREE(data);
         return -1;
-- 
2.35.1