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qemu: Add helper to initialize storage file backend with correct uid/gid

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Add a wrapper that determines the correct uid and gid for a certain
storage file and domain.
This commit is contained in:
Peter Krempa 2014-06-30 15:48:45 +02:00
parent 8e7cd8866c
commit 63fc72d38a
2 changed files with 27 additions and 0 deletions
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23
src/qemu/qemu_domain.c
View File

@ -2437,6 +2437,29 @@ qemuDomainGetImageIds(virQEMUDriverConfigPtr cfg,
}
int
qemuDomainStorageFileInit(virQEMUDriverPtr driver,
virDomainObjPtr vm,
virStorageSourcePtr src)
{
virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
uid_t uid;
gid_t gid;
int ret = -1;
qemuDomainGetImageIds(cfg, vm, src, &uid, &gid);
if (virStorageFileInitAs(src, uid, gid) < 0)
goto cleanup;
ret = 0;
cleanup:
virObjectUnref(cfg);
return ret;
}
int
qemuDomainDetermineDiskChain(virQEMUDriverPtr driver,
virDomainObjPtr vm,

4
src/qemu/qemu_domain.h
View File

@ -353,6 +353,10 @@ int qemuDomainDetermineDiskChain(virQEMUDriverPtr driver,
virDomainDiskDefPtr disk,
bool force);
int qemuDomainStorageFileInit(virQEMUDriverPtr driver,
virDomainObjPtr vm,
virStorageSourcePtr src);
int qemuDomainCleanupAdd(virDomainObjPtr vm,
qemuDomainCleanupCallback cb);
void qemuDomainCleanupRemove(virDomainObjPtr vm,