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conf: Fix domain disk path iterator to work with networked storage

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Skip networked storage but continue iteration through backing chain to
iterate through all the local paths in the backing chain.
This commit is contained in:
Peter Krempa 2014-04-26 11:38:29 +02:00
parent 0620bd42ad
commit b52e1ad961
1 changed files with 20 additions and 17 deletions
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37
src/conf/domain_conf.c
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@ -18686,34 +18686,37 @@ virDomainDiskDefForeachPath(virDomainDiskDefPtr disk,
int ret = -1;
size_t depth = 0;
virStorageSourcePtr tmp;
const char *path = virDomainDiskGetSource(disk);
int type = virDomainDiskGetType(disk);
char *brokenRaw = NULL;
if (!path || type == VIR_STORAGE_TYPE_NETWORK ||
(type == VIR_STORAGE_TYPE_VOLUME &&
disk->src.srcpool &&
disk->src.srcpool->mode == VIR_STORAGE_SOURCE_POOL_MODE_DIRECT))
return 0;
if (!ignoreOpenFailure) {
if (virStorageFileChainGetBroken(&disk->src, &brokenRaw) < 0)
goto cleanup;
if (iter(disk, path, 0, opaque) < 0)
goto cleanup;
tmp = disk->src.backingStore;
while (tmp && virStorageIsFile(tmp->path)) {
if (!ignoreOpenFailure && tmp->backingStoreRaw && !tmp->backingStore) {
if (brokenRaw) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("unable to visit backing chain file %s"),
tmp->backingStoreRaw);
brokenRaw);
goto cleanup;
}
if (iter(disk, tmp->path, ++depth, opaque) < 0)
goto cleanup;
tmp = tmp->backingStore;
}
for (tmp = &disk->src; tmp; tmp = tmp->backingStore) {
int actualType = virStorageSourceGetActualType(tmp);
/* execute the callback only for local storage */
if (actualType != VIR_STORAGE_TYPE_NETWORK &&
actualType != VIR_STORAGE_TYPE_VOLUME &&
tmp->path) {
if (iter(disk, tmp->path, depth, opaque) < 0)
goto cleanup;
}
depth++;
}
ret = 0;
cleanup:
VIR_FREE(brokenRaw);
return ret;
}