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Device: Consider VSA when calculating logical disk size

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When the underlying disk driver has VSA access the total size must be
calculated with respect to the VSA offset.
This commit is contained in:
Kyle Schwarz
2022-12-19 14:56:08 +00:00
parent f4e4a103ad
commit 41a569fc2d
2 changed files with 7 additions and 1 deletions
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device/device.cpp
+6 -1
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@@ -642,7 +642,12 @@ std::optional<uint64_t> Device::getLogicalDiskSize() {
return std::nullopt; return std::nullopt;
} }
return info->getReportedSize(); const auto reportedSize = info->getReportedSize();
if (diskReadDriver->getAccess() == Disk::Access::VSA)
return reportedSize - diskReadDriver->getVSAOffset();
return reportedSize;
} }
std::optional<uint64_t> Device::getVSAOffsetInLogicalDisk() { std::optional<uint64_t> Device::getVSAOffsetInLogicalDisk() {
include/icsneo/disk/diskdriver.h
+1
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@@ -33,6 +33,7 @@ public:
virtual std::pair<uint32_t, uint32_t> getBlockSizeBounds() const = 0; virtual std::pair<uint32_t, uint32_t> getBlockSizeBounds() const = 0;
void setVSAOffset(uint64_t offset) { vsaOffset = offset; } void setVSAOffset(uint64_t offset) { vsaOffset = offset; }
uint64_t getVSAOffset() const { return vsaOffset; }
protected: protected:
uint64_t vsaOffset = 0; uint64_t vsaOffset = 0;