We can get the capacity from the input volume.
---
src/storage/storage_backend.c | 2 +-
src/storage/storage_driver.c | 3 ++-
.../qcow2-nocapacity-convert-prealloc.argv | 4 ++++
tests/storagevolxml2argvtest.c | 9 ++++++++-
tests/storagevolxml2xmlin/vol-qcow2-nocapacity.xml | 19 +++++++++++++++++++
tests/storagevolxml2xmlout/vol-qcow2-nocapacity.xml | 21 +++++++++++++++++++++
tests/storagevolxml2xmltest.c | 2 ++
7 files changed, 57 insertions(+), 3 deletions(-)
create mode 100644 tests/storagevolxml2argvdata/qcow2-nocapacity-convert-prealloc.argv
create mode 100644 tests/storagevolxml2xmlin/vol-qcow2-nocapacity.xml
create mode 100644 tests/storagevolxml2xmlout/vol-qcow2-nocapacity.xml
diff --git a/src/storage/storage_backend.c b/src/storage/storage_backend.c
index a67d50c..dd33436 100644
--- a/src/storage/storage_backend.c
+++ b/src/storage/storage_backend.c
@@ -1055,7 +1055,7 @@ virStorageBackendCreateQemuImgCmd(virConnectPtr conn,
if (convert)
virCommandAddArg(cmd, inputPath);
virCommandAddArg(cmd, vol->target.path);
- if (!convert)
+ if (!convert && size_arg)
virCommandAddArgFormat(cmd, "%lluK", size_arg);
return cmd;
diff --git a/src/storage/storage_driver.c b/src/storage/storage_driver.c
index bc16e87..409b486 100644
--- a/src/storage/storage_driver.c
+++ b/src/storage/storage_driver.c
@@ -1810,7 +1810,8 @@ storageVolCreateXMLFrom(virStoragePoolPtr obj,
goto cleanup;
}
- newvol = virStorageVolDefParseString(pool->def, xmldesc, 0);
+ newvol = virStorageVolDefParseString(pool->def, xmldesc,
+ VIR_VOL_XML_PARSE_NO_CAPACITY);
if (newvol == NULL)
goto cleanup;
diff --git a/tests/storagevolxml2argvdata/qcow2-nocapacity-convert-prealloc.argv b/tests/storagevolxml2argvdata/qcow2-nocapacity-convert-prealloc.argv
new file mode 100644
index 0000000..9073b1b
--- /dev/null
+++ b/tests/storagevolxml2argvdata/qcow2-nocapacity-convert-prealloc.argv
@@ -0,0 +1,4 @@
+qemu-img convert -f raw -O qcow2 \
+-o encryption=on,preallocation=metadata \
+/var/lib/libvirt/images/sparse.img \
+/var/lib/libvirt/images/OtherDemo.img
diff --git a/tests/storagevolxml2argvtest.c b/tests/storagevolxml2argvtest.c
index c1f8a9d..52bb856 100644
--- a/tests/storagevolxml2argvtest.c
+++ b/tests/storagevolxml2argvtest.c
@@ -49,6 +49,7 @@ testCompareXMLToArgvFiles(bool shouldFail,
char *expectedCmdline = NULL;
char *actualCmdline = NULL;
int ret = -1;
+ unsigned long parse_flags = 0;
int len;
@@ -84,7 +85,10 @@ testCompareXMLToArgvFiles(bool shouldFail,
goto cleanup;
}
- if (!(vol = virStorageVolDefParseString(pool, volXmlData, 0)))
+ if (inputvolxml)
+ parse_flags |= VIR_VOL_XML_PARSE_NO_CAPACITY;
+
+ if (!(vol = virStorageVolDefParseString(pool, volXmlData, parse_flags)))
goto cleanup;
if (inputvolxml &&
@@ -305,6 +309,9 @@ mymain(void)
DO_TEST("pool-dir", "vol-qcow2-nocow",
NULL, NULL,
"qcow2-nocow-compat", 0, FMT_COMPAT);
+ DO_TEST("pool-dir", "vol-qcow2-nocapacity",
+ "pool-dir", "vol-file",
+ "qcow2-nocapacity-convert-prealloc", flags, FMT_OPTIONS);
return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
}
diff --git a/tests/storagevolxml2xmlin/vol-qcow2-nocapacity.xml b/tests/storagevolxml2xmlin/vol-qcow2-nocapacity.xml
new file mode 100644
index 0000000..9746900
--- /dev/null
+++ b/tests/storagevolxml2xmlin/vol-qcow2-nocapacity.xml
@@ -0,0 +1,19 @@
+<volume>
+ <name>OtherDemo.img</name>
+ <key>/var/lib/libvirt/images/OtherDemo.img</key>
+ <source>
+ </source>
+ <target>
+ <path>/var/lib/libvirt/images/OtherDemo.img</path>
+ <format type='qcow2'/>
+ <permissions>
+ <mode>0644</mode>
+ <owner>0</owner>
+ <group>0</group>
+ <label>unconfined_u:object_r:virt_image_t:s0</label>
+ </permissions>
+ <encryption format='qcow'>
+ <secret type='passphrase' uuid='e78d4b51-a2af-485f-b0f5-afca709a80f4'/>
+ </encryption>
+ </target>
+</volume>
diff --git a/tests/storagevolxml2xmlout/vol-qcow2-nocapacity.xml b/tests/storagevolxml2xmlout/vol-qcow2-nocapacity.xml
new file mode 100644
index 0000000..223e689
--- /dev/null
+++ b/tests/storagevolxml2xmlout/vol-qcow2-nocapacity.xml
@@ -0,0 +1,21 @@
+<volume type='file'>
+ <name>OtherDemo.img</name>
+ <key>/var/lib/libvirt/images/OtherDemo.img</key>
+ <source>
+ </source>
+ <capacity unit='bytes'>0</capacity>
+ <allocation unit='bytes'>0</allocation>
+ <target>
+ <path>/var/lib/libvirt/images/OtherDemo.img</path>
+ <format type='qcow2'/>
+ <permissions>
+ <mode>0644</mode>
+ <owner>0</owner>
+ <group>0</group>
+ <label>unconfined_u:object_r:virt_image_t:s0</label>
+ </permissions>
+ <encryption format='qcow'>
+ <secret type='passphrase' uuid='e78d4b51-a2af-485f-b0f5-afca709a80f4'/>
+ </encryption>
+ </target>
+</volume>
diff --git a/tests/storagevolxml2xmltest.c b/tests/storagevolxml2xmltest.c
index ee0495b..e04b4ef 100644
--- a/tests/storagevolxml2xmltest.c
+++ b/tests/storagevolxml2xmltest.c
@@ -126,6 +126,8 @@ mymain(void)
DO_TEST("pool-sheepdog", "vol-sheepdog");
DO_TEST("pool-gluster", "vol-gluster-dir");
DO_TEST("pool-gluster", "vol-gluster-dir-neg-uid");
+ DO_TEST_FULL("pool-dir", "vol-qcow2-nocapacity",
+ VIR_VOL_XML_PARSE_NO_CAPACITY);
return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
}
--
2.0.5
--
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