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util: storage: Add shadow copies of few disk properties to virStorageSource 

Few things which are currently stored the virDomainDiskDef structure are
actually relevant for the storage source as well. Add the fields with a
note that they are just mirror of the values from the disk.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
This commit is contained in:
Peter Krempa 2017-12-05 14:06:13 +01:00
parent 38fd7aec33
commit d302b5896e
2 changed files with 12 additions and 0 deletions
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4
src/util/virstoragefile.c
View File

@ -2042,6 +2042,10 @@ virStorageSourceCopy(const virStorageSource *src,
ret->detected = src->detected;
ret->debugLevel = src->debugLevel;
ret->debug = src->debug;
ret->iomode = src->iomode;
ret->cachemode = src->cachemode;
ret->discard = src->discard;
ret->detect_zeroes = src->detect_zeroes;
/* storage driver metadata are not copied */
ret->drv = NULL;

8
src/util/virstoragefile.h
View File

@ -305,6 +305,14 @@ struct _virStorageSource {
unsigned int debugLevel;
bool debug;
/* Libvirt currently stores the following properities in virDomainDiskDef.
* These instances are currently just copies from the parent definition and
* are not mapped back to the XML */
int iomode; /* enum virDomainDiskIo */
int cachemode; /* enum virDomainDiskCache */
int discard; /* enum virDomainDiskDiscard */
int detect_zeroes; /* enum virDomainDiskDetectZeroes */
};