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qemu: Allow skipping the revoke step in qemuDomainStorageSourceAccessModify
In some cases when we need to modify access permissions for a storage source which is already used by the VM we should not revoke all permissions on a failure. Allow this in qemuDomainStorageSourceAccessModify by adding a new flag. Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
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@ -9218,6 +9218,8 @@ typedef enum {
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QEMU_DOMAIN_STORAGE_SOURCE_ACCESS_CHAIN = 1 << 1,
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QEMU_DOMAIN_STORAGE_SOURCE_ACCESS_CHAIN = 1 << 1,
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/* force permissions to read-only when allowing */
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/* force permissions to read-only when allowing */
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QEMU_DOMAIN_STORAGE_SOURCE_ACCESS_READ_ONLY = 1 << 2,
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QEMU_DOMAIN_STORAGE_SOURCE_ACCESS_READ_ONLY = 1 << 2,
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/* don't revoke permissions when modification has failed */
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QEMU_DOMAIN_STORAGE_SOURCE_ACCESS_SKIP_REVOKE = 1 << 3,
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} qemuDomainStorageSourceAccessFlags;
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} qemuDomainStorageSourceAccessFlags;
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@ -9294,6 +9296,9 @@ qemuDomainStorageSourceAccessModify(virQEMUDriverPtr driver,
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goto cleanup;
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goto cleanup;
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revoke:
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revoke:
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if (flags & QEMU_DOMAIN_STORAGE_SOURCE_ACCESS_SKIP_REVOKE)
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goto cleanup;
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if (revoke_cgroup) {
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if (revoke_cgroup) {
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if (chain)
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if (chain)
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rc = qemuTeardownImageChainCgroup(vm, src);
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rc = qemuTeardownImageChainCgroup(vm, src);
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