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b4d87669ba
Later patches will implement sharing of the backing file, so we'll need to be able to discriminate the overlays per VM. Signed-off-by: Masayoshi Mizuma <m.mizuma@jp.fujitsu.com> Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com> Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
/*
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* qemu_snapshot.h: Implementation and handling of snapshots
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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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#include "virconftypes.h"
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#include "datatypes.h"
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#include "qemu_conf.h"
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#include "qemu_domainjob.h"
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virDomainMomentObj *
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qemuSnapObjFromName(virDomainObj *vm,
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const char *name);
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virDomainMomentObj *
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qemuSnapObjFromSnapshot(virDomainObj *vm,
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virDomainSnapshotPtr snapshot);
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int
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qemuSnapshotFSFreeze(virDomainObj *vm,
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const char **mountpoints,
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unsigned int nmountpoints);
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int
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qemuSnapshotFSThaw(virDomainObj *vm,
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bool report);
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virDomainSnapshotPtr
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qemuSnapshotCreateXML(virDomainPtr domain,
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virDomainObj *vm,
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const char *xmlDesc,
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unsigned int flags);
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int
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qemuSnapshotRevert(virDomainObj *vm,
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virDomainSnapshotPtr snapshot,
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unsigned int flags);
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int
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qemuSnapshotDelete(virDomainObj *vm,
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virDomainSnapshotPtr snapshot,
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unsigned int flags);
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typedef struct _qemuSnapshotDiskContext qemuSnapshotDiskContext;
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qemuSnapshotDiskContext *
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qemuSnapshotDiskContextNew(size_t ndisks,
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virDomainObj *vm,
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qemuDomainAsyncJob asyncJob);
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void
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qemuSnapshotDiskContextCleanup(qemuSnapshotDiskContext *snapctxt);
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G_DEFINE_AUTOPTR_CLEANUP_FUNC(qemuSnapshotDiskContext, qemuSnapshotDiskContextCleanup);
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int
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qemuSnapshotDiskPrepareOne(qemuSnapshotDiskContext *snapctxt,
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virDomainDiskDef *disk,
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virDomainSnapshotDiskDef *snapdisk,
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GHashTable *blockNamedNodeData,
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bool reuse,
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bool updateConfig);
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int
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qemuSnapshotDiskCreate(qemuSnapshotDiskContext *snapctxt);
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virDomainSnapshotDiskDef *
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qemuSnapshotGetTransientDiskDef(virDomainDiskDef *domdisk,
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const char *suffix);
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