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qemu: remove virConnectPtr in some migration methods

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The qemuMigrationPrecreateStorage method needs a connection
to access the storage driver. Instead of passing it around,
open it at time of use.

Reviewed-by: John Ferlan <jferlan@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrangé 2018-02-12 16:50:01 +00:00
parent a967615c4b
commit 82592551cb
3 changed files with 33 additions and 38 deletions
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16
src/qemu/qemu_driver.c
View File

@ -12115,7 +12115,7 @@ qemuDomainMigratePrepareTunnel(virConnectPtr dconn,
if (virDomainMigratePrepareTunnelEnsureACL(dconn, def) < 0)
goto cleanup;
ret = qemuMigrationPrepareTunnel(driver, dconn,
ret = qemuMigrationPrepareTunnel(driver,
NULL, 0, NULL, NULL, /* No cookies in v2 */
st, &def, origname, flags);
@ -12178,7 +12178,7 @@ qemuDomainMigratePrepare2(virConnectPtr dconn,
* length was not sufficiently large, causing failures
* migrating between old & new libvirtd
*/
ret = qemuMigrationPrepareDirect(driver, dconn,
ret = qemuMigrationPrepareDirect(driver,
NULL, 0, NULL, NULL, /* No cookies */
uri_in, uri_out,
&def, origname, NULL, 0, NULL, 0,
@ -12416,7 +12416,7 @@ qemuDomainMigratePrepare3(virConnectPtr dconn,
if (virDomainMigratePrepare3EnsureACL(dconn, def) < 0)
goto cleanup;
ret = qemuMigrationPrepareDirect(driver, dconn,
ret = qemuMigrationPrepareDirect(driver,
cookiein, cookieinlen,
cookieout, cookieoutlen,
uri_in, uri_out,
@ -12502,7 +12502,7 @@ qemuDomainMigratePrepare3Params(virConnectPtr dconn,
if (virDomainMigratePrepare3ParamsEnsureACL(dconn, def) < 0)
goto cleanup;
ret = qemuMigrationPrepareDirect(driver, dconn,
ret = qemuMigrationPrepareDirect(driver,
cookiein, cookieinlen,
cookieout, cookieoutlen,
uri_in, uri_out,
@ -12551,7 +12551,7 @@ qemuDomainMigratePrepareTunnel3(virConnectPtr dconn,
if (virDomainMigratePrepareTunnel3EnsureACL(dconn, def) < 0)
goto cleanup;
ret = qemuMigrationPrepareTunnel(driver, dconn,
ret = qemuMigrationPrepareTunnel(driver,
cookiein, cookieinlen,
cookieout, cookieoutlen,
st, &def, origname, flags);
@ -12604,7 +12604,7 @@ qemuDomainMigratePrepareTunnel3Params(virConnectPtr dconn,
if (virDomainMigratePrepareTunnel3ParamsEnsureACL(dconn, def) < 0)
goto cleanup;
ret = qemuMigrationPrepareTunnel(driver, dconn,
ret = qemuMigrationPrepareTunnel(driver,
cookiein, cookieinlen,
cookieout, cookieoutlen,
st, &def, origname, flags);
@ -12862,7 +12862,7 @@ qemuDomainMigrateConfirm3(virDomainPtr domain,
return -1;
}
return qemuMigrationConfirm(domain->conn, vm, cookiein, cookieinlen,
return qemuMigrationConfirm(domain->conn->privateData, vm, cookiein, cookieinlen,
flags, cancelled);
}
@ -12890,7 +12890,7 @@ qemuDomainMigrateConfirm3Params(virDomainPtr domain,
return -1;
}
return qemuMigrationConfirm(domain->conn, vm, cookiein, cookieinlen,
return qemuMigrationConfirm(domain->conn->privateData, vm, cookiein, cookieinlen,
flags, cancelled);
}

51
src/qemu/qemu_migration.c
View File

@ -246,9 +246,8 @@ qemuMigrationStoreDomainState(virDomainObjPtr vm)
/* Returns true if the domain was resumed, false otherwise */
static bool
qemuMigrationRestoreDomainState(virConnectPtr conn, virDomainObjPtr vm)
qemuMigrationRestoreDomainState(virQEMUDriverPtr driver, virDomainObjPtr vm)
{
virQEMUDriverPtr driver = conn->privateData;
qemuDomainObjPrivatePtr priv = vm->privateData;
int reason;
virDomainState state = virDomainObjGetState(vm, &reason);
@ -417,9 +416,7 @@ qemuMigrateDisk(virDomainDiskDef const *disk,
static int
qemuMigrationPrecreateStorage(virConnectPtr conn,
virQEMUDriverPtr driver ATTRIBUTE_UNUSED,
virDomainObjPtr vm,
qemuMigrationPrecreateStorage(virDomainObjPtr vm,
qemuMigrationCookieNBDPtr nbd,
size_t nmigrate_disks,
const char **migrate_disks,
@ -427,10 +424,14 @@ qemuMigrationPrecreateStorage(virConnectPtr conn,
{
int ret = -1;
size_t i = 0;
virConnectPtr conn;
if (!nbd || !nbd->ndisks)
return 0;
if (!(conn = virGetConnectStorage()))
return -1;
for (i = 0; i < nbd->ndisks; i++) {
virDomainDiskDefPtr disk;
const char *diskSrcPath;
@ -469,6 +470,7 @@ qemuMigrationPrecreateStorage(virConnectPtr conn,
ret = 0;
cleanup:
virObjectUnref(conn);
return ret;
}
@ -2548,7 +2550,6 @@ qemuMigrationResetTLS(virQEMUDriverPtr driver,
static int
qemuMigrationPrepareAny(virQEMUDriverPtr driver,
virConnectPtr dconn,
const char *cookiein,
int cookieinlen,
char **cookieout,
@ -2716,7 +2717,7 @@ qemuMigrationPrepareAny(virQEMUDriverPtr driver,
goto cleanup;
}
if (qemuMigrationPrecreateStorage(dconn, driver, vm, mig->nbd,
if (qemuMigrationPrecreateStorage(vm, mig->nbd,
nmigrate_disks, migrate_disks,
!!(flags & VIR_MIGRATE_NON_SHARED_INC)) < 0)
goto cleanup;
@ -2758,7 +2759,7 @@ qemuMigrationPrepareAny(virQEMUDriverPtr driver,
if (qemuProcessPrepareHost(driver, vm, startFlags) < 0)
goto stopjob;
rv = qemuProcessLaunch(dconn, driver, vm, QEMU_ASYNC_JOB_MIGRATION_IN,
rv = qemuProcessLaunch(NULL, driver, vm, QEMU_ASYNC_JOB_MIGRATION_IN,
incoming, NULL,
VIR_NETDEV_VPORT_PROFILE_OP_MIGRATE_IN_START,
startFlags);
@ -2942,7 +2943,6 @@ qemuMigrationPrepareAny(virQEMUDriverPtr driver,
*/
int
qemuMigrationPrepareTunnel(virQEMUDriverPtr driver,
virConnectPtr dconn,
const char *cookiein,
int cookieinlen,
char **cookieout,
@ -2955,10 +2955,10 @@ qemuMigrationPrepareTunnel(virQEMUDriverPtr driver,
qemuMigrationCompressionPtr compression = NULL;
int ret;
VIR_DEBUG("driver=%p, dconn=%p, cookiein=%s, cookieinlen=%d, "
VIR_DEBUG("driver=%p, cookiein=%s, cookieinlen=%d, "
"cookieout=%p, cookieoutlen=%p, st=%p, def=%p, "
"origname=%s, flags=0x%lx",
driver, dconn, NULLSTR(cookiein), cookieinlen,
driver, NULLSTR(cookiein), cookieinlen,
cookieout, cookieoutlen, st, *def, origname, flags);
if (st == NULL) {
@ -2970,7 +2970,7 @@ qemuMigrationPrepareTunnel(virQEMUDriverPtr driver,
if (!(compression = qemuMigrationCompressionParse(NULL, 0, flags)))
return -1;
ret = qemuMigrationPrepareAny(driver, dconn, cookiein, cookieinlen,
ret = qemuMigrationPrepareAny(driver, cookiein, cookieinlen,
cookieout, cookieoutlen, def, origname,
st, NULL, 0, false, NULL, 0, NULL, 0,
compression, flags);
@ -3004,7 +3004,6 @@ qemuMigrationParseURI(const char *uri, bool *wellFormed)
int
qemuMigrationPrepareDirect(virQEMUDriverPtr driver,
virConnectPtr dconn,
const char *cookiein,
int cookieinlen,
char **cookieout,
@ -3028,11 +3027,11 @@ qemuMigrationPrepareDirect(virQEMUDriverPtr driver,
virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
const char *migrateHost = cfg->migrateHost;
VIR_DEBUG("driver=%p, dconn=%p, cookiein=%s, cookieinlen=%d, "
VIR_DEBUG("driver=%p, cookiein=%s, cookieinlen=%d, "
"cookieout=%p, cookieoutlen=%p, uri_in=%s, uri_out=%p, "
"def=%p, origname=%s, listenAddress=%s, "
"nmigrate_disks=%zu, migrate_disks=%p, nbdPort=%d, flags=0x%lx",
driver, dconn, NULLSTR(cookiein), cookieinlen,
driver, NULLSTR(cookiein), cookieinlen,
cookieout, cookieoutlen, NULLSTR(uri_in), uri_out,
*def, origname, NULLSTR(listenAddress),
nmigrate_disks, migrate_disks, nbdPort, flags);
@ -3136,7 +3135,7 @@ qemuMigrationPrepareDirect(virQEMUDriverPtr driver,
if (*uri_out)
VIR_DEBUG("Generated uri_out=%s", *uri_out);
ret = qemuMigrationPrepareAny(driver, dconn, cookiein, cookieinlen,
ret = qemuMigrationPrepareAny(driver, cookiein, cookieinlen,
cookieout, cookieoutlen, def, origname,
NULL, uri ? uri->scheme : "tcp",
port, autoPort, listenAddress,
@ -3199,7 +3198,6 @@ qemuMigrationPrepareDef(virQEMUDriverPtr driver,
static int
qemuMigrationConfirmPhase(virQEMUDriverPtr driver,
virConnectPtr conn,
virDomainObjPtr vm,
const char *cookiein,
int cookieinlen,
@ -3213,9 +3211,9 @@ qemuMigrationConfirmPhase(virQEMUDriverPtr driver,
qemuDomainObjPrivatePtr priv = vm->privateData;
qemuDomainJobInfoPtr jobInfo = NULL;
VIR_DEBUG("driver=%p, conn=%p, vm=%p, cookiein=%s, cookieinlen=%d, "
VIR_DEBUG("driver=%p, vm=%p, cookiein=%s, cookieinlen=%d, "
"flags=0x%x, retcode=%d",
driver, conn, vm, NULLSTR(cookiein), cookieinlen,
driver, vm, NULLSTR(cookiein), cookieinlen,
flags, retcode);
virCheckFlags(QEMU_MIGRATION_FLAGS, -1);
@ -3290,7 +3288,7 @@ qemuMigrationConfirmPhase(virQEMUDriverPtr driver,
if (virDomainObjGetState(vm, &reason) == VIR_DOMAIN_PAUSED &&
reason == VIR_DOMAIN_PAUSED_POSTCOPY) {
qemuMigrationPostcopyFailed(driver, vm);
} else if (qemuMigrationRestoreDomainState(conn, vm)) {
} else if (qemuMigrationRestoreDomainState(driver, vm)) {
event = virDomainEventLifecycleNewFromObj(vm,
VIR_DOMAIN_EVENT_RESUMED,
VIR_DOMAIN_EVENT_RESUMED_MIGRATED);
@ -3313,14 +3311,13 @@ qemuMigrationConfirmPhase(virQEMUDriverPtr driver,
}
int
qemuMigrationConfirm(virConnectPtr conn,
qemuMigrationConfirm(virQEMUDriverPtr driver,
virDomainObjPtr vm,
const char *cookiein,
int cookieinlen,
unsigned int flags,
int cancelled)
{
virQEMUDriverPtr driver = conn->privateData;
qemuMigrationJobPhase phase;
virQEMUDriverConfigPtr cfg = NULL;
int ret = -1;
@ -3339,7 +3336,7 @@ qemuMigrationConfirm(virConnectPtr conn,
virCloseCallbacksUnset(driver->closeCallbacks, vm,
qemuMigrationCleanup);
ret = qemuMigrationConfirmPhase(driver, conn, vm,
ret = qemuMigrationConfirmPhase(driver, vm,
cookiein, cookieinlen,
flags, cancelled);
@ -4196,7 +4193,7 @@ static int doTunnelMigrate(virQEMUDriverPtr driver,
* instead of client app context & also adding in tunnel
* handling */
static int doPeer2PeerMigrate2(virQEMUDriverPtr driver,
virConnectPtr sconn ATTRIBUTE_UNUSED,
virConnectPtr sconn,
virConnectPtr dconn,
virDomainObjPtr vm,
const char *dconnuri,
@ -4654,7 +4651,7 @@ doPeer2PeerMigrate3(virQEMUDriverPtr driver,
cookieinlen = cookieoutlen;
cookieout = NULL;
cookieoutlen = 0;
ret = qemuMigrationConfirmPhase(driver, sconn, vm,
ret = qemuMigrationConfirmPhase(driver, vm,
cookiein, cookieinlen,
flags, cancelled);
/* If Confirm3 returns -1, there's nothing more we can
@ -4962,7 +4959,7 @@ qemuMigrationPerformJob(virQEMUDriverPtr driver,
if (!v3proto && ret < 0)
qemuMigrationReset(driver, vm, QEMU_ASYNC_JOB_MIGRATION_OUT);
if (qemuMigrationRestoreDomainState(conn, vm)) {
if (qemuMigrationRestoreDomainState(driver, vm)) {
event = virDomainEventLifecycleNewFromObj(vm,
VIR_DOMAIN_EVENT_RESUMED,
VIR_DOMAIN_EVENT_RESUMED_MIGRATED);
@ -5031,7 +5028,7 @@ qemuMigrationPerformPhase(virQEMUDriverPtr driver,
nmigrate_disks, migrate_disks, compression, migParams);
if (ret < 0) {
if (qemuMigrationRestoreDomainState(conn, vm)) {
if (qemuMigrationRestoreDomainState(driver, vm)) {
event = virDomainEventLifecycleNewFromObj(vm,
VIR_DOMAIN_EVENT_RESUMED,
VIR_DOMAIN_EVENT_RESUMED_MIGRATED);

4
src/qemu/qemu_migration.h
View File

@ -188,7 +188,6 @@ qemuMigrationPrepareDef(virQEMUDriverPtr driver,
int
qemuMigrationPrepareTunnel(virQEMUDriverPtr driver,
virConnectPtr dconn,
const char *cookiein,
int cookieinlen,
char **cookieout,
@ -200,7 +199,6 @@ qemuMigrationPrepareTunnel(virQEMUDriverPtr driver,
int
qemuMigrationPrepareDirect(virQEMUDriverPtr driver,
virConnectPtr dconn,
const char *cookiein,
int cookieinlen,
char **cookieout,
@ -253,7 +251,7 @@ qemuMigrationFinish(virQEMUDriverPtr driver,
bool v3proto);
int
qemuMigrationConfirm(virConnectPtr conn,
qemuMigrationConfirm(virQEMUDriverPtr driver,
virDomainObjPtr vm,
const char *cookiein,
int cookieinlen,