[PATCH v3 3/3] rbd: optionally compute volume allocation from capacity

[jdillama@xxxxxxxxxx]

From: Jason Dillaman <dillaman@xxxxxxxxxx>

Use the new refresh volume allocation pool override to skip
computing the actual volume usage if disabled.

Signed-off-by: Jason Dillaman <dillaman@xxxxxxxxxx>
---
 src/storage/storage_backend_rbd.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/storage/storage_backend_rbd.c b/src/storage/storage_backend_rbd.c
index e67911f928..1b01fbb3a8 100644
--- a/src/storage/storage_backend_rbd.c
+++ b/src/storage/storage_backend_rbd.c
@@ -564,7 +564,8 @@ volStorageBackendRBDRefreshVolInfo(virStorageVolDefPtr vol,
     vol->type = VIR_STORAGE_VOL_NETWORK;
     vol->target.format = VIR_STORAGE_FILE_RAW;
 
-    if (volStorageBackendRBDUseFastDiff(features, flags)) {
+    if (def->refresh_volume_allocation == VIR_STORAGE_VOL_REFRESH_ALLOCATION_DEFAULT &&
+        volStorageBackendRBDUseFastDiff(features, flags)) {
         VIR_DEBUG("RBD image %s/%s has fast-diff feature enabled. "
                   "Querying for actual allocation",
                   def->source.name, vol->name);
-- 
2.20.1

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