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Merge "libsnapshot: v3 structural changes" into main am: a4af286e98

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Original change: https://android-review.googlesource.com/c/platform/system/core/+/2933914

Change-Id: I8a362f52f3ae191074117afce8fb99aace62ea3b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
This commit is contained in:
Daniel Zheng 2024-01-30 01:09:13 +00:00 committed by Automerger Merge Worker
commit 0043447ea4
1 changed files with 6 additions and 4 deletions
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10
fs_mgr/libsnapshot/include/libsnapshot/cow_format.h
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@ -101,7 +101,7 @@ struct ResumePoint {
// monotonically increasing value used by update_engine
uint64_t label;
// Index of last CowOperation guaranteed to be resumable
uint32_t op_index;
uint64_t op_index;
} __attribute__((packed));
static constexpr uint8_t kNumResumePoints = 4;
@ -115,10 +115,12 @@ struct CowHeaderV3 : public CowHeader {
uint32_t resume_point_max;
// Number of CowOperationV3 structs in the operation buffer, currently and total
// region size.
uint32_t op_count;
uint32_t op_count_max;
uint64_t op_count;
uint64_t op_count_max;
// Compression Algorithm
uint32_t compression_algorithm;
// Max compression size supported
uint32_t max_compression_size;
} __attribute__((packed));
enum class CowOperationType : uint8_t {
@ -203,7 +205,7 @@ static constexpr uint64_t kCowOpSourceInfoTypeMask = (1ULL << kCowOpSourceInfoTy
struct CowOperationV3 {
// If this operation reads from the data section of the COW, this contains
// the length.
uint16_t data_length;
uint32_t data_length;
// The block of data in the new image that this operation modifies.
uint32_t new_block;