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storage: Update pool metadata after adding/removing/resizing volume

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One has to refresh the pool to get the correct pool info after
adding/removing/resizing a volume, this updates the pool metadata
(allocation, available) after those operation are done.
This commit is contained in:
Osier Yang 2013-08-16 20:08:07 +08:00
parent e7c7e32200
commit e0139e3044
1 changed files with 30 additions and 13 deletions
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43
src/storage/storage_driver.c
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@ -1507,6 +1507,7 @@ storageVolCreateXML(virStoragePoolPtr obj,
virStorageBackendPtr backend;
virStorageVolDefPtr voldef = NULL;
virStorageVolPtr ret = NULL, volobj = NULL;
virStorageVolDefPtr buildvoldef = NULL;
virCheckFlags(VIR_STORAGE_VOL_CREATE_PREALLOC_METADATA, NULL);
@ -1565,20 +1566,19 @@ storageVolCreateXML(virStoragePoolPtr obj,
goto cleanup;
}
if (VIR_ALLOC(buildvoldef) < 0) {
voldef = NULL;
goto cleanup;
}
/* Make a shallow copy of the 'defined' volume definition, since the
* original allocation value will change as the user polls 'info',
* but we only need the initial requested values
*/
memcpy(buildvoldef, voldef, sizeof(*voldef));
if (backend->buildVol) {
int buildret;
virStorageVolDefPtr buildvoldef = NULL;
if (VIR_ALLOC(buildvoldef) < 0) {
voldef = NULL;
goto cleanup;
}
/* Make a shallow copy of the 'defined' volume definition, since the
* original allocation value will change as the user polls 'info',
* but we only need the initial requested values
*/
memcpy(buildvoldef, voldef, sizeof(*voldef));
/* Drop the pool lock during volume allocation */
pool->asyncjobs++;
@ -1595,7 +1595,6 @@ storageVolCreateXML(virStoragePoolPtr obj,
pool->asyncjobs--;
voldef = NULL;
VIR_FREE(buildvoldef);
if (buildret < 0) {
virStoragePoolObjUnlock(pool);
@ -1606,6 +1605,10 @@ storageVolCreateXML(virStoragePoolPtr obj,
}
/* Update pool metadata */
pool->def->allocation += buildvoldef->allocation;
pool->def->available -= buildvoldef->allocation;
VIR_INFO("Creating volume '%s' in storage pool '%s'",
volobj->name, pool->def->name);
ret = volobj;
@ -1615,6 +1618,7 @@ storageVolCreateXML(virStoragePoolPtr obj,
cleanup:
virObjectUnref(volobj);
virStorageVolDefFree(voldef);
virStorageVolDefFree(buildvoldef);
if (pool)
virStoragePoolObjUnlock(pool);
return ret;
@ -1770,6 +1774,10 @@ storageVolCreateXMLFrom(virStoragePoolPtr obj,
goto cleanup;
}
/* Updating pool metadata */
pool->def->allocation += newvol->allocation;
pool->def->available -= newvol->allocation;
VIR_INFO("Creating volume '%s' in storage pool '%s'",
volobj->name, pool->def->name);
ret = volobj;
@ -2013,6 +2021,11 @@ storageVolResize(virStorageVolPtr obj,
goto out;
vol->capacity = abs_capacity;
/* Update pool metadata */
pool->def->allocation += (abs_capacity - vol->capacity);
pool->def->available -= (abs_capacity - vol->capacity);
ret = 0;
out:
@ -2356,6 +2369,10 @@ storageVolDelete(virStorageVolPtr obj,
if (backend->deleteVol(obj->conn, pool, vol, flags) < 0)
goto cleanup;
/* Update pool metadata */
pool->def->allocation -= vol->allocation;
pool->def->available += vol->allocation;
for (i = 0; i < pool->volumes.count; i++) {
if (pool->volumes.objs[i] == vol) {
VIR_INFO("Deleting volume '%s' from storage pool '%s'",