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util: virstoragefile: Add data structure for storing storage source slices

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Introduce virStorageSourceSlice which will store the 'offset' and 'size'
of a virStorageSource and declare it as 'sliceStorage' and 'sliceFormat'
attributes of a virStorageSource.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2020-02-03 17:14:52 +01:00
parent 554ae62637
commit 6efa046165
2 changed files with 41 additions and 0 deletions
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29
src/util/virstoragefile.c
View File

@ -2248,6 +2248,30 @@ virStorageSourcePoolDefCopy(const virStorageSourcePoolDef *src)
}
static virStorageSourceSlicePtr
virStorageSourceSliceCopy(const virStorageSourceSlice *src)
{
virStorageSourceSlicePtr ret = g_new0(virStorageSourceSlice, 1);
ret->offset = src->offset;
ret->size = src->size;
ret->nodename = g_strdup(src->nodename);
return ret;
}
static void
virStorageSourceSliceFree(virStorageSourceSlicePtr slice)
{
if (!slice)
return;
g_free(slice->nodename);
g_free(slice);
}
/**
* virStorageSourcePtr:
*
@ -2302,6 +2326,9 @@ virStorageSourceCopy(const virStorageSource *src,
def->tlsAlias = g_strdup(src->tlsAlias);
def->tlsCertdir = g_strdup(src->tlsCertdir);
if (src->sliceStorage)
def->sliceStorage = virStorageSourceSliceCopy(src->sliceStorage);
if (src->nhosts) {
if (!(def->hosts = virStorageNetHostDefCopy(src->nhosts, src->hosts)))
return NULL;
@ -2581,6 +2608,8 @@ virStorageSourceClear(virStorageSourcePtr def)
VIR_FREE(def->timestamps);
VIR_FREE(def->externalDataStoreRaw);
virStorageSourceSliceFree(def->sliceStorage);
virObjectUnref(def->externalDataStore);
def->externalDataStore = NULL;

12
src/util/virstoragefile.h
View File

@ -242,6 +242,16 @@ struct _virStorageSourceNVMeDef {
/* Don't forget to update virStorageSourceNVMeDefCopy */
};
typedef struct _virStorageSourceSlice virStorageSourceSlice;
typedef virStorageSourceSlice *virStorageSourceSlicePtr;
struct _virStorageSourceSlice {
unsigned long long offset;
unsigned long long size;
char *nodename;
};
typedef struct _virStorageDriverData virStorageDriverData;
typedef virStorageDriverData *virStorageDriverDataPtr;
@ -286,6 +296,8 @@ struct _virStorageSource {
bool nocow;
bool sparse;
virStorageSourceSlicePtr sliceStorage;
virStoragePermsPtr perms;
virStorageTimestampsPtr timestamps;
unsigned long long capacity; /* in bytes, 0 if unknown */