DiskWriteDriver: Remove use of atomic buffer

include/icsneo/disk/diskwritedriver.h

@@ -23,38 +23,14 @@ public:
 		uint64_t pos, const uint8_t* from, uint64_t amount, std::chrono::milliseconds timeout = DefaultTimeout);
 
 protected:
-	/**
-	 * Flag returned from writeLogicalDiskAligned when the
-	 * operation failed to be performed atomically and can
-	 * be retried after rereading.
-	 */
-	static const uint64_t RetryAtomic;
-
-	/**
-	 * The severity to report with when an atomic operation
-	 * is requested that the driver is unable to attempt.
-	 */
-	static const APIEvent::Severity NonatomicSeverity;
-
 	/**
 	 * Perform a write which the driver can do in one shot.
 	 * 
 	 * The `pos` requested must be sector-aligned, and the `amount` must be
 	 * within the block size bounds provided by the driver.
-	 * 
-	 * If `atomicBuf` is provided, it will be used to ensure that the disk
-	 * data changes from `atomicBuf` to `from` without trampling any reads
-	 * that may have happened while modifying the data.
-	 * 
-	 * The flag `RetryAtomic` is returned if the operation was attempted
-	 * atomically but failed.
-	 * 
-	 * If the driver does not support atomic operations, but `atomicBuf`
-	 * is non-null, an APIEvent::AtomicOperationCompletedNonatomically
-	 * should be reported with `NonatomicSeverity`.
 	 */
 	virtual std::optional<uint64_t> writeLogicalDiskAligned(Communication& com, device_eventhandler_t report,
-		uint64_t pos, const uint8_t* atomicBuf, const uint8_t* from, uint64_t amount, std::chrono::milliseconds timeout) = 0;
+		uint64_t pos, const uint8_t* from, uint64_t amount, std::chrono::milliseconds timeout) = 0;
 };
 
 } // namespace Disk