[libvirt] [PATCH RFC 04/22] conf: Fix domain disk path iterator to work with networked storage
Skip networked storage but continue iteration through backing chain to
iterate through all the local paths in the backing chain.
---
src/conf/domain_conf.c | 37 ++++++++++++++++++++-----------------
1 file changed, 20 insertions(+), 17 deletions(-)
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 3cb6693..25758d9 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -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 (iter(disk, path, 0, opaque) < 0)
- goto cleanup;
+ if (!ignoreOpenFailure) {
+ if (virStorageFileChainGetBroken(&disk->src, &brokenRaw) < 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;
}
--
1.9.2