Re: [libvirt] [PATCH 3/6] conf: stop passing virConnectPtr into virDomainDiskTranslateSourcePool

Rather than expecting callers to pass a virConnectPtr into the virDomainDiskTranslateSourcePool() method, just acquire a connection to the storage driver when needed. Signed-off-by: Daniel P. Berrangé <berrange(a)redhat.com&gt; --- src/conf/domain_conf.c | 10 +++++++--- src/conf/domain_conf.h | 3 +-- src/qemu/qemu_conf.c | 3 +-- src/qemu/qemu_conf.h | 3 +-- src/qemu/qemu_driver.c | 39 ++++++++++++++++----------------------- src/qemu/qemu_hotplug.c | 2 +- src/qemu/qemu_process.c | 4 ++-- 7 files changed, 29 insertions(+), 35 deletions(-)

diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c index 4f50547580..613e34f8c4 100644 --- a/src/conf/domain_conf.c +++ b/src/conf/domain_conf.c @@ -29068,9 +29068,9 @@ virDomainDiskTranslateSourcePoolAuth(virDomainDiskDefPtr def, int -virDomainDiskTranslateSourcePool(virConnectPtr conn, - virDomainDiskDefPtr def) +virDomainDiskTranslateSourcePool(virDomainDiskDefPtr def) { + virConnectPtr conn = NULL; virStoragePoolDefPtr pooldef = NULL; virStoragePoolPtr pool = NULL; virStorageVolPtr vol = NULL; @@ -29084,9 +29084,12 @@ virDomainDiskTranslateSourcePool(virConnectPtr conn, if (!def->src->srcpool) return 0; - if (!(pool = virStoragePoolLookupByName(conn, def->src->srcpool->pool))) + if (!(conn = virGetConnectStorage())) return -1; + if (!(pool = virStoragePoolLookupByName(conn, def->src->srcpool->pool))) + goto cleanup; + if (virStoragePoolIsActive(pool) != 1) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("storage pool '%s' containing volume '%s' " @@ -29230,6 +29233,7 @@ virDomainDiskTranslateSourcePool(virConnectPtr conn, ret = 0; cleanup: + virObjectUnref(conn); virObjectUnref(pool); virObjectUnref(vol); VIR_FREE(poolxml); diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h index 7b450ce8f1..8be08bc9b3 100644 --- a/src/conf/domain_conf.h +++ b/src/conf/domain_conf.h @@ -3514,8 +3514,7 @@ virDomainNetResolveActualType(virDomainNetDefPtr iface) ATTRIBUTE_NONNULL(1); -int virDomainDiskTranslateSourcePool(virConnectPtr conn, - virDomainDiskDefPtr def); +int virDomainDiskTranslateSourcePool(virDomainDiskDefPtr def); #endif /* __DOMAIN_CONF_H */ diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c index 2fa96431fa..b1ee36efea 100644 --- a/src/qemu/qemu_conf.c +++ b/src/qemu/qemu_conf.c @@ -1635,8 +1635,7 @@ int qemuDriverAllocateID(virQEMUDriverPtr driver) int -qemuTranslateSnapshotDiskSourcePool(virConnectPtr conn ATTRIBUTE_UNUSED, - virDomainSnapshotDiskDefPtr def) +qemuTranslateSnapshotDiskSourcePool(virDomainSnapshotDiskDefPtr def) { if (def->src->type != VIR_STORAGE_TYPE_VOLUME) return 0; diff --git a/src/qemu/qemu_conf.h b/src/qemu/qemu_conf.h index 3f38a76c26..947e52dfe2 100644 --- a/src/qemu/qemu_conf.h +++ b/src/qemu/qemu_conf.h @@ -352,8 +352,7 @@ int qemuSetUnprivSGIO(virDomainDeviceDefPtr dev); int qemuDriverAllocateID(virQEMUDriverPtr driver); virDomainXMLOptionPtr virQEMUDriverCreateXMLConf(virQEMUDriverPtr driver); -int qemuTranslateSnapshotDiskSourcePool(virConnectPtr conn, - virDomainSnapshotDiskDefPtr def); +int qemuTranslateSnapshotDiskSourcePool(virDomainSnapshotDiskDefPtr def); char * qemuGetBaseHugepagePath(virHugeTLBFSPtr hugepage); char * qemuGetDomainHugepagePath(const virDomainDef *def, diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index 0aa0f05d3c..6eec6d282c 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -7871,8 +7871,7 @@ qemuDomainDetachDeviceLive(virDomainObjPtr vm, } static int -qemuDomainChangeDiskLive(virConnectPtr conn, - virDomainObjPtr vm, +qemuDomainChangeDiskLive(virDomainObjPtr vm, virDomainDeviceDefPtr dev, virQEMUDriverPtr driver, bool force) @@ -7881,7 +7880,7 @@ qemuDomainChangeDiskLive(virConnectPtr conn, virDomainDiskDefPtr orig_disk = NULL; int ret = -1; - if (virDomainDiskTranslateSourcePool(conn, disk) < 0) + if (virDomainDiskTranslateSourcePool(disk) < 0) goto cleanup; if (qemuDomainDetermineDiskChain(driver, vm, disk, false, true) < 0) @@ -7932,8 +7931,7 @@ qemuDomainChangeDiskLive(virConnectPtr conn, } static int -qemuDomainUpdateDeviceLive(virConnectPtr conn, - virDomainObjPtr vm, +qemuDomainUpdateDeviceLive(virDomainObjPtr vm, virDomainDeviceDefPtr dev, virDomainPtr dom, bool force) @@ -7944,7 +7942,7 @@ qemuDomainUpdateDeviceLive(virConnectPtr conn, switch ((virDomainDeviceType) dev->type) { case VIR_DOMAIN_DEVICE_DISK: qemuDomainObjCheckDiskTaint(driver, vm, dev->data.disk, NULL); - ret = qemuDomainChangeDiskLive(conn, vm, dev, driver, force); + ret = qemuDomainChangeDiskLive(vm, dev, driver, force); break; case VIR_DOMAIN_DEVICE_GRAPHICS: ret = qemuDomainChangeGraphics(driver, vm, dev->data.graphics); @@ -7986,7 +7984,6 @@ qemuDomainUpdateDeviceLive(virConnectPtr conn, static int qemuDomainAttachDeviceConfig(virDomainDefPtr vmdef, virDomainDeviceDefPtr dev, - virConnectPtr conn, virCapsPtr caps, unsigned int parse_flags, virDomainXMLOptionPtr xmlopt) @@ -8008,7 +8005,7 @@ qemuDomainAttachDeviceConfig(virDomainDefPtr vmdef, _("target %s already exists"), disk->dst); return -1; } - if (virDomainDiskTranslateSourcePool(conn, disk) < 0) + if (virDomainDiskTranslateSourcePool(disk) < 0) return -1; if (qemuCheckDiskConfig(disk, NULL) < 0) return -1; @@ -8494,7 +8491,7 @@ qemuDomainAttachDeviceLiveAndConfig(virConnectPtr conn, if (virDomainDefCompatibleDevice(vmdef, dev) < 0) goto cleanup; - if ((ret = qemuDomainAttachDeviceConfig(vmdef, dev, conn, caps, + if ((ret = qemuDomainAttachDeviceConfig(vmdef, dev, caps, parse_flags, driver->xmlopt)) < 0) goto cleanup; @@ -8654,7 +8651,7 @@ static int qemuDomainUpdateDeviceFlags(virDomainPtr dom, if (virDomainDefCompatibleDevice(vm->def, dev_copy) < 0) goto endjob; - if ((ret = qemuDomainUpdateDeviceLive(dom->conn, vm, dev_copy, dom, force)) < 0) + if ((ret = qemuDomainUpdateDeviceLive(vm, dev_copy, dom, force)) < 0) goto endjob; /* * update domain status forcibly because the domain status may be @@ -14229,8 +14226,7 @@ qemuDomainSnapshotPrepareDiskExternalActive(virDomainSnapshotDiskDefPtr snapdisk static int -qemuDomainSnapshotPrepareDiskExternal(virConnectPtr conn, - virDomainDiskDefPtr disk, +qemuDomainSnapshotPrepareDiskExternal(virDomainDiskDefPtr disk, virDomainSnapshotDiskDefPtr snapdisk, bool active, bool reuse) @@ -14238,11 +14234,11 @@ qemuDomainSnapshotPrepareDiskExternal(virConnectPtr conn, int ret = -1; struct stat st; - if (qemuTranslateSnapshotDiskSourcePool(conn, snapdisk) < 0) + if (qemuTranslateSnapshotDiskSourcePool(snapdisk) < 0) return -1; if (!active) { - if (virDomainDiskTranslateSourcePool(conn, disk) < 0) + if (virDomainDiskTranslateSourcePool(disk) < 0) return -1; if (qemuDomainSnapshotPrepareDiskExternalInactive(snapdisk, disk) < 0) @@ -14284,8 +14280,7 @@ qemuDomainSnapshotPrepareDiskExternal(virConnectPtr conn, static int -qemuDomainSnapshotPrepareDiskInternal(virConnectPtr conn, - virDomainDiskDefPtr disk, +qemuDomainSnapshotPrepareDiskInternal(virDomainDiskDefPtr disk, bool active) { int actualType; @@ -14294,7 +14289,7 @@ qemuDomainSnapshotPrepareDiskInternal(virConnectPtr conn, if (active) return 0; - if (virDomainDiskTranslateSourcePool(conn, disk) < 0) + if (virDomainDiskTranslateSourcePool(disk) < 0) return -1; actualType = virStorageSourceGetActualType(disk->src); @@ -14343,8 +14338,7 @@ qemuDomainSnapshotPrepareDiskInternal(virConnectPtr conn, static int -qemuDomainSnapshotPrepare(virConnectPtr conn, - virDomainObjPtr vm, +qemuDomainSnapshotPrepare(virDomainObjPtr vm, virDomainSnapshotDefPtr def, unsigned int *flags) { @@ -14385,7 +14379,7 @@ qemuDomainSnapshotPrepare(virConnectPtr conn, goto cleanup; } - if (qemuDomainSnapshotPrepareDiskInternal(conn, dom_disk, + if (qemuDomainSnapshotPrepareDiskInternal(dom_disk, active) < 0) goto cleanup; @@ -14414,7 +14408,7 @@ qemuDomainSnapshotPrepare(virConnectPtr conn, goto cleanup; } - if (qemuDomainSnapshotPrepareDiskExternal(conn, dom_disk, disk, + if (qemuDomainSnapshotPrepareDiskExternal(dom_disk, disk, active, reuse) < 0) goto cleanup; @@ -15062,7 +15056,6 @@ qemuDomainSnapshotCreateXML(virDomainPtr domain, const char *xmlDesc, unsigned int flags) { - virConnectPtr conn = domain->conn; virQEMUDriverPtr driver = domain->conn->privateData; virDomainObjPtr vm = NULL; char *xml = NULL; @@ -15241,7 +15234,7 @@ qemuDomainSnapshotCreateXML(virDomainPtr domain, } if (virDomainSnapshotAlignDisks(def, align_location, align_match) < 0 || - qemuDomainSnapshotPrepare(conn, vm, def, &flags) < 0) + qemuDomainSnapshotPrepare(vm, def, &flags) < 0) goto endjob; } diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c index c7bf25eeef..a2268be576 100644 --- a/src/qemu/qemu_hotplug.c +++ b/src/qemu/qemu_hotplug.c @@ -713,7 +713,7 @@ qemuDomainAttachDeviceDiskLive(virConnectPtr conn, goto cleanup; } - if (virDomainDiskTranslateSourcePool(conn, disk) < 0) + if (virDomainDiskTranslateSourcePool(disk) < 0) goto cleanup; if (qemuAddSharedDevice(driver, dev, vm->def->name) < 0) diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c index d0a25cecb9..586d11bba3 100644 --- a/src/qemu/qemu_process.c +++ b/src/qemu/qemu_process.c @@ -5603,7 +5603,7 @@ qemuProcessPrepareDomainStorage(virConnectPtr conn, size_t idx = i - 1; virDomainDiskDefPtr disk = vm->def->disks[idx]; - if (virDomainDiskTranslateSourcePool(conn, disk) < 0) { + if (virDomainDiskTranslateSourcePool(disk) < 0) { if (qemuDomainCheckDiskStartupPolicy(driver, vm, idx, cold_boot) < 0) return -1; @@ -7362,7 +7362,7 @@ qemuProcessReconnect(void *opaque) virDomainDiskDefPtr disk = obj->def->disks[i]; virDomainDeviceDef dev; - if (virDomainDiskTranslateSourcePool(conn, disk) < 0) + if (virDomainDiskTranslateSourcePool(disk) < 0) goto error; /* backing chains need to be refreshed only if they could change */