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1fc3cd8731
Storage source format backing a shared device (e.g. running a cluster filesystem) needs to support the sharing so that metadata are not corrupted. Add a central function for checking this.
67 lines
2.0 KiB
C
67 lines
2.0 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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virURIPtr
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qemuBlockStorageSourceGetURI(virStorageSourcePtr src);
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#endif /* __QEMU_BLOCK_H__ */
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