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rbd: optionally compute volume allocation from capacity 

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

Signed-off-by: Jason Dillaman <dillaman@redhat.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Jason Dillaman 2019-03-19 09:42:18 -04:00 committed by Michal Privoznik
parent 669018bc9c
commit f9c38c723a
1 changed files with 3 additions and 1 deletions
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4
src/storage/storage_backend_rbd.c
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@ -563,7 +563,9 @@ volStorageBackendRBDRefreshVolInfo(virStorageVolDefPtr vol,
vol->type = VIR_STORAGE_VOL_NETWORK;
vol->target.format = VIR_STORAGE_FILE_RAW;
if (volStorageBackendRBDUseFastDiff(features, flags)) {
if (def->refresh &&
def->refresh->volume.allocation == VIR_STORAGE_VOL_DEF_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);