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bed681d7b5
With 'transaction' support we don't need to keep around the multipurpose code which would create the snapshot if 'transaction' is not supported. To simplify this add a new helper that just wraps the arguments for 'blockdev-snapshot-sync' operation in 'transaction' and use it instead of qemuBlockSnapshotAddLegacy. Additionally this allows to format the arguments prior to creating the file for simpler cleanup. Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
127 lines
3.8 KiB
C
127 lines
3.8 KiB
C
/*
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* qemu_block.h: helper functions for QEMU block subsystem
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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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#ifndef __QEMU_BLOCK_H__
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# define __QEMU_BLOCK_H__
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# include "internal.h"
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# include "qemu_conf.h"
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# include "qemu_domain.h"
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# include "virhash.h"
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# include "virjson.h"
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# include "viruri.h"
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typedef struct qemuBlockNodeNameBackingChainData qemuBlockNodeNameBackingChainData;
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typedef qemuBlockNodeNameBackingChainData *qemuBlockNodeNameBackingChainDataPtr;
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struct qemuBlockNodeNameBackingChainData {
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char *qemufilename; /* name of the image from qemu */
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char *nodeformat; /* node name of the format layer */
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char *nodestorage; /* node name of the storage backing the format node */
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qemuBlockNodeNameBackingChainDataPtr backing;
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/* for testing purposes */
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char *drvformat;
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char *drvstorage;
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};
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virHashTablePtr
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qemuBlockNodeNameGetBackingChain(virJSONValuePtr namednodesdata,
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virJSONValuePtr blockstats);
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int
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qemuBlockNodeNamesDetect(virQEMUDriverPtr driver,
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virDomainObjPtr vm,
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qemuDomainAsyncJob asyncJob);
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virHashTablePtr
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qemuBlockGetNodeData(virJSONValuePtr data);
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bool
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qemuBlockStorageSourceSupportsConcurrentAccess(virStorageSourcePtr src);
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virJSONValuePtr
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qemuBlockStorageSourceGetBackendProps(virStorageSourcePtr src,
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bool legacy);
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virURIPtr
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qemuBlockStorageSourceGetURI(virStorageSourcePtr src);
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virJSONValuePtr
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qemuBlockStorageSourceGetBlockdevProps(virStorageSourcePtr src);
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typedef struct qemuBlockStorageSourceAttachData qemuBlockStorageSourceAttachData;
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typedef qemuBlockStorageSourceAttachData *qemuBlockStorageSourceAttachDataPtr;
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struct qemuBlockStorageSourceAttachData {
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virJSONValuePtr prmgrProps;
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char *prmgrAlias;
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virJSONValuePtr storageProps;
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const char *storageNodeName;
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bool storageAttached;
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virJSONValuePtr formatProps;
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const char *formatNodeName;
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bool formatAttached;
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char *driveCmd;
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char *driveAlias;
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bool driveAdded;
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virJSONValuePtr authsecretProps;
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char *authsecretAlias;
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virJSONValuePtr encryptsecretProps;
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char *encryptsecretAlias;
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virJSONValuePtr tlsProps;
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char *tlsAlias;
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};
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void
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qemuBlockStorageSourceAttachDataFree(qemuBlockStorageSourceAttachDataPtr data);
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qemuBlockStorageSourceAttachDataPtr
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qemuBlockStorageSourceAttachPrepareBlockdev(virStorageSourcePtr src);
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int
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qemuBlockStorageSourceAttachApply(qemuMonitorPtr mon,
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qemuBlockStorageSourceAttachDataPtr data);
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void
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qemuBlockStorageSourceAttachRollback(qemuMonitorPtr mon,
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qemuBlockStorageSourceAttachDataPtr data);
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int
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qemuBlockStorageSourceDetachOneBlockdev(virQEMUDriverPtr driver,
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virDomainObjPtr vm,
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qemuDomainAsyncJob asyncJob,
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virStorageSourcePtr src);
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int
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qemuBlockSnapshotAddLegacy(virJSONValuePtr actions,
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virDomainDiskDefPtr disk,
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virStorageSourcePtr newsrc,
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bool reuse);
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#endif /* __QEMU_BLOCK_H__ */
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