diff --git a/fs_mgr/libsnapshot/cow_format.cpp b/fs_mgr/libsnapshot/cow_format.cpp
index 0753c49..20672b3 100644
--- a/fs_mgr/libsnapshot/cow_format.cpp
+++ b/fs_mgr/libsnapshot/cow_format.cpp
@@ -37,6 +37,8 @@
         os << "kCowLabelOp,   ";
     else if (op.type == kCowClusterOp)
         os << "kCowClusterOp  ";
+    else if (op.type == kCowSequenceOp)
+        os << "kCowSequenceOp ";
     else if (op.type == kCowFooterOp)
         os << "kCowFooterOp  ";
     else
@@ -81,6 +83,7 @@
         case kCowLabelOp:
         case kCowClusterOp:
         case kCowFooterOp:
+        case kCowSequenceOp:
             return true;
         default:
             return false;
diff --git a/fs_mgr/libsnapshot/cow_reader.cpp b/fs_mgr/libsnapshot/cow_reader.cpp
index 2349e4a..28ca418 100644
--- a/fs_mgr/libsnapshot/cow_reader.cpp
+++ b/fs_mgr/libsnapshot/cow_reader.cpp
@@ -201,6 +201,8 @@
                 current_op_num--;
                 done = true;
                 break;
+            } else if (current_op.type == kCowSequenceOp) {
+                has_seq_ops_ = true;
             }
         }
 
diff --git a/fs_mgr/libsnapshot/cow_writer.cpp b/fs_mgr/libsnapshot/cow_writer.cpp
index 526fede..df2bc96 100644
--- a/fs_mgr/libsnapshot/cow_writer.cpp
+++ b/fs_mgr/libsnapshot/cow_writer.cpp
@@ -76,9 +76,8 @@
     return EmitLabel(label);
 }
 
-bool ICowWriter::AddSequenceData(size_t /*num_ops*/, const uint32_t* /*data*/) {
-    LOG(ERROR) << "AddSequenceData not yet implemented";
-    return false;
+bool ICowWriter::AddSequenceData(size_t num_ops, const uint32_t* data) {
+    return EmitSequenceData(num_ops, data);
 }
 
 bool ICowWriter::ValidateNewBlock(uint64_t new_block) {
@@ -337,6 +336,26 @@
     return WriteOperation(op) && Sync();
 }
 
+bool CowWriter::EmitSequenceData(size_t num_ops, const uint32_t* data) {
+    CHECK(!merge_in_progress_);
+    size_t to_add = 0;
+    size_t max_ops = std::numeric_limits<uint16_t>::max() / sizeof(uint32_t);
+    while (num_ops > 0) {
+        CowOperation op = {};
+        op.type = kCowSequenceOp;
+        op.source = next_data_pos_;
+        to_add = std::min(num_ops, max_ops);
+        op.data_length = static_cast<uint16_t>(to_add * sizeof(uint32_t));
+        if (!WriteOperation(op, data, op.data_length)) {
+            PLOG(ERROR) << "AddSequenceData: write failed";
+            return false;
+        }
+        num_ops -= to_add;
+        data += to_add;
+    }
+    return true;
+}
+
 bool CowWriter::EmitCluster() {
     CowOperation op = {};
     op.type = kCowClusterOp;
diff --git a/fs_mgr/libsnapshot/include/libsnapshot/cow_format.h b/fs_mgr/libsnapshot/include/libsnapshot/cow_format.h
index 000e5e1..2371377 100644
--- a/fs_mgr/libsnapshot/include/libsnapshot/cow_format.h
+++ b/fs_mgr/libsnapshot/include/libsnapshot/cow_format.h
@@ -148,6 +148,7 @@
 static constexpr uint8_t kCowZeroOp = 3;
 static constexpr uint8_t kCowLabelOp = 4;
 static constexpr uint8_t kCowClusterOp = 5;
+static constexpr uint8_t kCowSequenceOp = 7;
 static constexpr uint8_t kCowFooterOp = -1;
 
 static constexpr uint8_t kCowCompressNone = 0;
diff --git a/fs_mgr/libsnapshot/include/libsnapshot/cow_reader.h b/fs_mgr/libsnapshot/include/libsnapshot/cow_reader.h
index 669e58a..16899c0 100644
--- a/fs_mgr/libsnapshot/include/libsnapshot/cow_reader.h
+++ b/fs_mgr/libsnapshot/include/libsnapshot/cow_reader.h
@@ -165,6 +165,7 @@
     std::shared_ptr<std::vector<CowOperation>> ops_;
     uint64_t total_data_ops_;
     uint64_t copy_ops_;
+    bool has_seq_ops_;
 };
 
 }  // namespace snapshot
diff --git a/fs_mgr/libsnapshot/include/libsnapshot/cow_writer.h b/fs_mgr/libsnapshot/include/libsnapshot/cow_writer.h
index fbe6461..03ffb46 100644
--- a/fs_mgr/libsnapshot/include/libsnapshot/cow_writer.h
+++ b/fs_mgr/libsnapshot/include/libsnapshot/cow_writer.h
@@ -85,6 +85,7 @@
     virtual bool EmitRawBlocks(uint64_t new_block_start, const void* data, size_t size) = 0;
     virtual bool EmitZeroBlocks(uint64_t new_block_start, uint64_t num_blocks) = 0;
     virtual bool EmitLabel(uint64_t label) = 0;
+    virtual bool EmitSequenceData(size_t num_ops, const uint32_t* data) = 0;
 
     bool ValidateNewBlock(uint64_t new_block);
 
@@ -120,6 +121,7 @@
     virtual bool EmitRawBlocks(uint64_t new_block_start, const void* data, size_t size) override;
     virtual bool EmitZeroBlocks(uint64_t new_block_start, uint64_t num_blocks) override;
     virtual bool EmitLabel(uint64_t label) override;
+    virtual bool EmitSequenceData(size_t num_ops, const uint32_t* data) override;
 
   private:
     bool EmitCluster();
diff --git a/fs_mgr/libsnapshot/include/libsnapshot/snapshot_writer.h b/fs_mgr/libsnapshot/include/libsnapshot/snapshot_writer.h
index bf5ce8b..c00dafa 100644
--- a/fs_mgr/libsnapshot/include/libsnapshot/snapshot_writer.h
+++ b/fs_mgr/libsnapshot/include/libsnapshot/snapshot_writer.h
@@ -76,6 +76,7 @@
     bool EmitRawBlocks(uint64_t new_block_start, const void* data, size_t size) override;
     bool EmitZeroBlocks(uint64_t new_block_start, uint64_t num_blocks) override;
     bool EmitLabel(uint64_t label) override;
+    bool EmitSequenceData(size_t num_ops, const uint32_t* data) override;
 
   private:
     android::base::unique_fd cow_device_;
@@ -103,6 +104,7 @@
     bool EmitZeroBlocks(uint64_t new_block_start, uint64_t num_blocks) override;
     bool EmitCopy(uint64_t new_block, uint64_t old_block) override;
     bool EmitLabel(uint64_t label) override;
+    bool EmitSequenceData(size_t num_ops, const uint32_t* data) override;
 
   private:
     android::base::unique_fd snapshot_fd_;
diff --git a/fs_mgr/libsnapshot/snapshot_writer.cpp b/fs_mgr/libsnapshot/snapshot_writer.cpp
index 080f3b7..34b3e87 100644
--- a/fs_mgr/libsnapshot/snapshot_writer.cpp
+++ b/fs_mgr/libsnapshot/snapshot_writer.cpp
@@ -114,6 +114,10 @@
     return cow_->AddLabel(label);
 }
 
+bool CompressedSnapshotWriter::EmitSequenceData(size_t num_ops, const uint32_t* data) {
+    return cow_->AddSequenceData(num_ops, data);
+}
+
 bool CompressedSnapshotWriter::Initialize() {
     return cow_->Initialize(cow_device_);
 }
@@ -183,6 +187,11 @@
     return true;
 }
 
+bool OnlineKernelSnapshotWriter::EmitSequenceData(size_t, const uint32_t*) {
+    // Not Needed
+    return true;
+}
+
 std::unique_ptr<FileDescriptor> OnlineKernelSnapshotWriter::OpenReader() {
     unique_fd fd(dup(snapshot_fd_.get()));
     if (fd < 0) {