feat(disk-transform): port getBlockIndexesCount to the relevant classes (#10058)

@xen-orchestra/disk-transform/src/DiskLargerBlock.mts

@@ -79,6 +79,11 @@ export class DiskLargerBlock extends RandomAccessDisk {
     return indexes
   }
 
+  getBlockIndexesCount(): number {
+    let blockRatio = this.getBlockSize() / this.source.getBlockSize()
+    return this.#source.getBlockIndexesCount() / blockRatio
+  }
+
   hasBlock(index: number): boolean {
     const source = this.source
     let maxBlockSource = Math.ceil(source.getVirtualSize() / source.getBlockSize())

@xen-orchestra/disk-transform/src/DiskPassthrough.mts

@@ -42,6 +42,9 @@ export class DiskPassthrough extends Disk {
   getBlockIndexes(): Array<number> {
     return this.source.getBlockIndexes()
   }
+  getBlockIndexesCount(): number {
+    return this.source.getBlockIndexesCount()
+  }
   hasBlock(index: number): boolean {
     return this.source.hasBlock(index)
   }
@@ -102,6 +105,9 @@ export abstract class RandomDiskPassthrough extends RandomAccessDisk {
   getBlockIndexes(): Array<number> {
     return this.source.getBlockIndexes()
   }
+  getBlockIndexesCount(): number {
+    return this.source.getBlockIndexesCount()
+  }
   hasBlock(index: number): boolean {
     return this.source.hasBlock(index)
   }

@xen-orchestra/disk-transform/src/NegativeDisk.mts

@@ -49,6 +49,9 @@ export class NegativeDisk extends RandomAccessDisk {
   getBlockIndexes(): Array<number> {
     return this.#child.getBlockIndexes()
   }
+  getBlockIndexesCount(): number {
+    return this.#child.getBlockIndexesCount()
+  }
   hasBlock(index: number): boolean {
     return this.#child.hasBlock(index)
   }

CHANGELOG.unreleased.md

@@ -52,6 +52,7 @@
 
 - @vates/types minor
 - @xen-orchestra/backup-archive patch
+- @xen-orchestra/disk-transform patch
 - @xen-orchestra/rest-api minor
 - @xen-orchestra/web minor
 - @xen-orchestra/web-core minor
@@ -60,5 +61,4 @@
 - xen-api minor
 - xo-server minor
 
-
 <!--packages-end-->