Sacrifice a few lines of code in favor of the code being more readable.
---
Notes:
Version 3:
- no change, already ACKed
src/qemu/qemu_driver.c | 213 +++++++++++++++++++++++++------------------
src/qemu/qemu_migration.c | 8 +-
src/qemu/qemu_monitor.c | 18 ++++
src/qemu/qemu_monitor.h | 6 +-
src/qemu/qemu_monitor_json.c | 37 ++++++--
src/qemu/qemu_monitor_json.h | 5 +
6 files changed, 184 insertions(+), 103 deletions(-)
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index ab962f3..1c0e966 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -16167,16 +16167,12 @@ qemuDomainBlockJobImpl(virDomainObjPtr vm,
char *device = NULL;
int ret = -1;
bool async = false;
- virObjectEventPtr event = NULL;
- virObjectEventPtr event2 = NULL;
int idx;
virDomainDiskDefPtr disk;
virStorageSourcePtr baseSource = NULL;
unsigned int baseIndex = 0;
char *basePath = NULL;
char *backingPath = NULL;
- virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
- bool save = false;
unsigned long long speed = bandwidth;
if (!virDomainObjIsActive(vm)) {
@@ -16228,40 +16224,6 @@ qemuDomainBlockJobImpl(virDomainObjPtr vm,
if (mode == BLOCK_JOB_PULL && qemuDomainDiskBlockJobIsActive(disk))
goto endjob;
- if (mode == BLOCK_JOB_ABORT) {
- if (async && !(flags & VIR_DOMAIN_BLOCK_JOB_ABORT_ASYNC)) {
- /* prepare state for event delivery */
- disk->blockJobStatus = -1;
- disk->blockJobSync = true;
- }
-
- if ((flags & VIR_DOMAIN_BLOCK_JOB_ABORT_PIVOT) &&
- !(async && disk->mirror)) {
- virReportError(VIR_ERR_OPERATION_INVALID,
- _("pivot of disk '%s' requires an active copy job"),
- disk->dst);
- goto endjob;
- }
- if (disk->mirrorState != VIR_DOMAIN_DISK_MIRROR_STATE_NONE &&
- disk->mirrorState != VIR_DOMAIN_DISK_MIRROR_STATE_READY) {
- virReportError(VIR_ERR_OPERATION_INVALID,
- _("another job on disk '%s' is still being ended"),
- disk->dst);
- goto endjob;
- }
-
- if (disk->mirror && (flags & VIR_DOMAIN_BLOCK_JOB_ABORT_PIVOT)) {
- ret = qemuDomainBlockPivot(driver, vm, device, disk);
- if (ret < 0 && async)
- goto endjob;
- goto waitjob;
- }
- if (disk->mirror) {
- disk->mirrorState = VIR_DOMAIN_DISK_MIRROR_STATE_ABORT;
- save = true;
- }
- }
-
if (base &&
(virStorageFileParseChainIndex(disk->dst, base, &baseIndex) < 0 ||
!(baseSource = virStorageFileChainLookup(disk->src, disk->src,
@@ -16313,13 +16275,107 @@ qemuDomainBlockJobImpl(virDomainObjPtr vm,
if (qemuDomainObjExitMonitor(driver, vm) < 0)
ret = -1;
if (ret < 0) {
- if (mode == BLOCK_JOB_ABORT && disk->mirror)
- disk->mirrorState = VIR_DOMAIN_DISK_MIRROR_STATE_NONE;
goto endjob;
} else if (mode == BLOCK_JOB_PULL) {
disk->blockjob = true;
}
+ endjob:
+ qemuDomainObjEndJob(driver, vm);
+
+ cleanup:
+ VIR_FREE(basePath);
+ VIR_FREE(backingPath);
+ VIR_FREE(device);
+ qemuDomObjEndAPI(&vm);
+ return ret;
+}
+
+static int
+qemuDomainBlockJobAbort(virDomainPtr dom,
+ const char *path,
+ unsigned int flags)
+{
+ virQEMUDriverPtr driver = dom->conn->privateData;
+ char *device = NULL;
+ virObjectEventPtr event = NULL;
+ virObjectEventPtr event2 = NULL;
+ virDomainDiskDefPtr disk;
+ virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
+ bool save = false;
+ int idx;
+ bool async;
+ virDomainObjPtr vm;
+ int ret = -1;
+
+ virCheckFlags(VIR_DOMAIN_BLOCK_JOB_ABORT_ASYNC |
+ VIR_DOMAIN_BLOCK_JOB_ABORT_PIVOT, -1);
+
+ if (!(vm = qemuDomObjFromDomain(dom)))
+ return -1;
+
+ if (virDomainBlockJobAbortEnsureACL(dom->conn, vm->def) < 0)
+ goto cleanup;
+
+ if (qemuDomainSupportsBlockJobs(vm, &async) < 0)
+ goto cleanup;
+
+ if (qemuDomainObjBeginJob(driver, vm, QEMU_JOB_MODIFY) < 0)
+ goto cleanup;
+
+ if (!virDomainObjIsActive(vm)) {
+ virReportError(VIR_ERR_OPERATION_INVALID, "%s",
+ _("domain is not running"));
+ goto endjob;
+ }
+
+ if (!(device = qemuDiskPathToAlias(vm, path, &idx)))
+ goto endjob;
+ disk = vm->def->disks[idx];
+
+ if (async && !(flags & VIR_DOMAIN_BLOCK_JOB_ABORT_ASYNC)) {
+ /* prepare state for event delivery */
+ disk->blockJobStatus = -1;
+ disk->blockJobSync = true;
+ }
+
+ if ((flags & VIR_DOMAIN_BLOCK_JOB_ABORT_PIVOT) &&
+ !(async && disk->mirror)) {
+ virReportError(VIR_ERR_OPERATION_INVALID,
+ _("pivot of disk '%s' requires an active copy job"),
+ disk->dst);
+ goto endjob;
+ }
+ if (disk->mirrorState != VIR_DOMAIN_DISK_MIRROR_STATE_NONE &&
+ disk->mirrorState != VIR_DOMAIN_DISK_MIRROR_STATE_READY) {
+ virReportError(VIR_ERR_OPERATION_INVALID,
+ _("another job on disk '%s' is still being ended"),
+ disk->dst);
+ goto endjob;
+ }
+
+ if (disk->mirror && (flags & VIR_DOMAIN_BLOCK_JOB_ABORT_PIVOT)) {
+ ret = qemuDomainBlockPivot(driver, vm, device, disk);
+ if (ret < 0 && async)
+ goto endjob;
+ goto waitjob;
+ }
+ if (disk->mirror) {
+ disk->mirrorState = VIR_DOMAIN_DISK_MIRROR_STATE_ABORT;
+ save = true;
+ }
+
+ qemuDomainObjEnterMonitor(driver, vm);
+ ret = qemuMonitorBlockJobCancel(qemuDomainGetMonitor(vm), device, async);
+ if (qemuDomainObjExitMonitor(driver, vm) < 0)
+ ret = -1;
+
+ if (ret < 0) {
+ if (disk->mirror)
+ disk->mirrorState = VIR_DOMAIN_DISK_MIRROR_STATE_NONE;
+ goto endjob;
+ }
+
waitjob:
/* If we have made changes to XML due to a copy job, make a best
* effort to save it now. But we can ignore failure, since there
@@ -16334,37 +16390,35 @@ qemuDomainBlockJobImpl(virDomainObjPtr vm,
* block to guarantee synchronous operation. We do the waiting
* while still holding the VM job, to prevent newly scheduled
* block jobs from confusing us. */
- if (mode == BLOCK_JOB_ABORT) {
- if (!async) {
- /* Older qemu that lacked async reporting also lacked
- * blockcopy and active commit, so we can hardcode the
- * event to pull, and we know the XML doesn't need
- * updating. We have to generate two event variants. */
- int type = VIR_DOMAIN_BLOCK_JOB_TYPE_PULL;
- int status = VIR_DOMAIN_BLOCK_JOB_CANCELED;
- event = virDomainEventBlockJobNewFromObj(vm, disk->src->path, type,
- status);
- event2 = virDomainEventBlockJob2NewFromObj(vm, disk->dst, type,
- status);
- } else if (disk->blockJobSync) {
- /* XXX If the event reports failure, we should reflect
- * that back into the return status of this API call. */
-
- while (disk->blockJobStatus == -1 && disk->blockJobSync) {
- if (virCondWait(&disk->blockJobSyncCond, &vm->parent.lock) < 0) {
- virReportSystemError(errno, "%s",
- _("Unable to wait on block job sync "
- "condition"));
- disk->blockJobSync = false;
- goto endjob;
- }
+ if (!async) {
+ /* Older qemu that lacked async reporting also lacked
+ * blockcopy and active commit, so we can hardcode the
+ * event to pull, and we know the XML doesn't need
+ * updating. We have to generate two event variants. */
+ int type = VIR_DOMAIN_BLOCK_JOB_TYPE_PULL;
+ int status = VIR_DOMAIN_BLOCK_JOB_CANCELED;
+ event = virDomainEventBlockJobNewFromObj(vm, disk->src->path, type,
+ status);
+ event2 = virDomainEventBlockJob2NewFromObj(vm, disk->dst, type,
+ status);
+ } else if (disk->blockJobSync) {
+ /* XXX If the event reports failure, we should reflect
+ * that back into the return status of this API call. */
+
+ while (disk->blockJobStatus == -1 && disk->blockJobSync) {
+ if (virCondWait(&disk->blockJobSyncCond, &vm->parent.lock) < 0) {
+ virReportSystemError(errno, "%s",
+ _("Unable to wait on block job sync "
+ "condition"));
+ disk->blockJobSync = false;
+ goto endjob;
}
-
- qemuBlockJobEventProcess(driver, vm, disk,
- disk->blockJobType,
- disk->blockJobStatus);
- disk->blockJobSync = false;
}
+
+ qemuBlockJobEventProcess(driver, vm, disk,
+ disk->blockJobType,
+ disk->blockJobStatus);
+ disk->blockJobSync = false;
}
endjob:
@@ -16372,8 +16426,6 @@ qemuDomainBlockJobImpl(virDomainObjPtr vm,
cleanup:
virObjectUnref(cfg);
- VIR_FREE(basePath);
- VIR_FREE(backingPath);
VIR_FREE(device);
qemuDomObjEndAPI(&vm);
if (event)
@@ -16383,25 +16435,6 @@ qemuDomainBlockJobImpl(virDomainObjPtr vm,
return ret;
}
-static int
-qemuDomainBlockJobAbort(virDomainPtr dom, const char *path, unsigned int flags)
-{
- virDomainObjPtr vm;
-
- virCheckFlags(VIR_DOMAIN_BLOCK_JOB_ABORT_ASYNC |
- VIR_DOMAIN_BLOCK_JOB_ABORT_PIVOT, -1);
-
- if (!(vm = qemuDomObjFromDomain(dom)))
- return -1;
-
- if (virDomainBlockJobAbortEnsureACL(dom->conn, vm->def) < 0) {
- qemuDomObjEndAPI(&vm);
- return -1;
- }
-
- return qemuDomainBlockJobImpl(vm, dom->conn, path, NULL, 0,
- BLOCK_JOB_ABORT, flags);
-}
static int
qemuDomainGetBlockJobInfo(virDomainPtr dom, const char *path,
diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c
index 29f5173..59d734b 100644
--- a/src/qemu/qemu_migration.c
+++ b/src/qemu/qemu_migration.c
@@ -1846,10 +1846,9 @@ qemuMigrationDriveMirror(virQEMUDriverPtr driver,
continue;
if (qemuDomainObjEnterMonitorAsync(driver, vm,
QEMU_ASYNC_JOB_MIGRATION_OUT) == 0) {
- if (qemuMonitorBlockJob(priv->mon, diskAlias, NULL, NULL, 0,
- BLOCK_JOB_ABORT, true) < 0) {
+ if (qemuMonitorBlockJobCancel(priv->mon, diskAlias, true) < 0)
VIR_WARN("Unable to cancel block-job on '%s'", diskAlias);
- }
+
if (qemuDomainObjExitMonitor(driver, vm) < 0)
break;
} else {
@@ -1920,8 +1919,7 @@ qemuMigrationCancelDriveMirror(qemuMigrationCookiePtr mig,
QEMU_ASYNC_JOB_MIGRATION_OUT) < 0)
goto cleanup;
- if (qemuMonitorBlockJob(priv->mon, diskAlias, NULL, NULL, 0,
- BLOCK_JOB_ABORT, true) < 0)
+ if (qemuMonitorBlockJobCancel(priv->mon, diskAlias, true) < 0)
VIR_WARN("Unable to stop block job on %s", diskAlias);
if (qemuDomainObjExitMonitor(driver, vm) < 0) {
ret = -1;
diff --git a/src/qemu/qemu_monitor.c b/src/qemu/qemu_monitor.c
index 3a6a746..882d2e3 100644
--- a/src/qemu/qemu_monitor.c
+++ b/src/qemu/qemu_monitor.c
@@ -3603,6 +3603,24 @@ qemuMonitorBlockJob(qemuMonitorPtr mon,
int
+qemuMonitorBlockJobCancel(qemuMonitorPtr mon,
+ const char *device,
+ bool modern)
+{
+ VIR_DEBUG("mon=%p, device=%s, modern=%d",
+ mon, device, modern);
+
+ if (!mon->json) {
+ virReportError(VIR_ERR_OPERATION_UNSUPPORTED, "%s",
+ _("block jobs require JSON monitor"));
+ return -1;
+ }
+
+ return qemuMonitorJSONBlockJobCancel(mon, device, modern);
+}
+
+
+int
qemuMonitorBlockJobSetSpeed(qemuMonitorPtr mon,
const char *device,
unsigned long long bandwidth,
diff --git a/src/qemu/qemu_monitor.h b/src/qemu/qemu_monitor.h
index 78f4648..5cc811a 100644
--- a/src/qemu/qemu_monitor.h
+++ b/src/qemu/qemu_monitor.h
@@ -756,7 +756,6 @@ int qemuMonitorSendKey(qemuMonitorPtr mon,
unsigned int nkeycodes);
typedef enum {
- BLOCK_JOB_ABORT,
BLOCK_JOB_PULL,
} qemuMonitorBlockJobCmd;
@@ -769,6 +768,11 @@ int qemuMonitorBlockJob(qemuMonitorPtr mon,
bool modern)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
+int qemuMonitorBlockJobCancel(qemuMonitorPtr mon,
+ const char *device,
+ bool modern)
+ ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
+
int qemuMonitorBlockJobSetSpeed(qemuMonitorPtr mon,
const char *device,
unsigned long long bandwidth,
diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c
index 9482982..97a6d9f 100644
--- a/src/qemu/qemu_monitor_json.c
+++ b/src/qemu/qemu_monitor_json.c
@@ -4321,13 +4321,6 @@ qemuMonitorJSONBlockJob(qemuMonitorPtr mon,
}
switch (mode) {
- case BLOCK_JOB_ABORT:
- cmd_name = modern ? "block-job-cancel" : "block_job_cancel";
- cmd = qemuMonitorJSONMakeCommand(cmd_name,
- "s:device", device,
- NULL);
- break;
-
case BLOCK_JOB_PULL:
cmd_name = modern ? "block-stream" : "block_stream";
cmd = qemuMonitorJSONMakeCommand(cmd_name,
@@ -4358,6 +4351,36 @@ qemuMonitorJSONBlockJob(qemuMonitorPtr mon,
int
+qemuMonitorJSONBlockJobCancel(qemuMonitorPtr mon,
+ const char *device,
+ bool modern)
+{
+ int ret = -1;
+ virJSONValuePtr cmd = NULL;
+ virJSONValuePtr reply = NULL;
+ const char *cmd_name = modern ? "block-job-cancel" : "block_job_cancel";
+
+ if (!(cmd = qemuMonitorJSONMakeCommand(cmd_name,
+ "s:device", device,
+ NULL)))
+ return -1;
+
+ if (qemuMonitorJSONCommand(mon, cmd, &reply) < 0)
+ goto cleanup;
+
+ if (qemuMonitorJSONBlockJobError(reply, cmd_name, device) < 0)
+ goto cleanup;
+
+ ret = 0;
+
+ cleanup:
+ virJSONValueFree(cmd);
+ virJSONValueFree(reply);
+ return ret;
+}
+
+
+int
qemuMonitorJSONBlockJobSetSpeed(qemuMonitorPtr mon,
const char *device,
unsigned long long speed,
diff --git a/src/qemu/qemu_monitor_json.h b/src/qemu/qemu_monitor_json.h
index 5185bbf..c88972c 100644
--- a/src/qemu/qemu_monitor_json.h
+++ b/src/qemu/qemu_monitor_json.h
@@ -306,6 +306,11 @@ int qemuMonitorJSONBlockJob(qemuMonitorPtr mon,
bool modern)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
+int qemuMonitorJSONBlockJobCancel(qemuMonitorPtr mon,
+ const char *device,
+ bool modern)
+ ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
+
int qemuMonitorJSONBlockJobSetSpeed(qemuMonitorPtr mon,
const char *device,
unsigned long long speed,
--
2.2.2
--
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