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If a backup job fails midway it's hard to figure out what happened as it's running asynchronous. Use the VIR_DOMAIN_JOB_ERRMSG job statistics field to pass through the error from the first failed backup-blockjob so that both the consumer of the virDomainGetJobStats and the corresponding event can see the error. event 'job-completed' for domain backup-test: operation: 9 time_elapsed: 46 disk_total: 104857600 disk_processed: 10158080 disk_remaining: 94699520 success: 0 errmsg: No space left on device virsh domjobinfo backup-test --completed --anystats Job type: Failed Operation: Backup Time elapsed: 46 ms File processed: 9.688 MiB File remaining: 90.312 MiB File total: 100.000 MiB Error message: No space left on device https://bugzilla.redhat.com/show_bug.cgi?id=1812827 Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
61 lines
2.1 KiB
C
61 lines
2.1 KiB
C
/*
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* qemu_backup.h: Implementation and handling of the backup jobs
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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int
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qemuBackupBegin(virDomainObjPtr vm,
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const char *backupXML,
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const char *checkpointXML,
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unsigned int flags);
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char *
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qemuBackupGetXMLDesc(virDomainObjPtr vm,
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unsigned int flags);
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void
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qemuBackupJobCancelBlockjobs(virDomainObjPtr vm,
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virDomainBackupDefPtr backup,
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bool terminatebackup,
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int asyncJob);
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void
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qemuBackupNotifyBlockjobEnd(virDomainObjPtr vm,
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virDomainDiskDefPtr disk,
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qemuBlockjobState state,
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const char *errmsg,
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unsigned long long cur,
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unsigned long long end,
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int asyncJob);
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void
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qemuBackupJobTerminate(virDomainObjPtr vm,
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qemuDomainJobStatus jobstatus);
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int
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qemuBackupGetJobInfoStats(virQEMUDriverPtr driver,
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virDomainObjPtr vm,
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qemuDomainJobInfoPtr jobInfo);
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/* exported for testing */
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virJSONValuePtr
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qemuBackupDiskPrepareOneBitmapsChain(virDomainMomentDefPtr *incremental,
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virStorageSourcePtr backingChain,
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virHashTablePtr blockNamedNodeData,
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const char *diskdst);
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