FLUSH_FLAGS_FILE_DATA_SYNC_ONLY - NtDoc

#ifndef _NTIOAPI_H

//
//  If set, this operation will write the data for the given file from the
//  Windows in-memory cache.  It will also try to skip updating the timestamp
//  as much as possible.  This will send a SYNC to the storage device to flush its
//  cache.  Not supported on volume or directory handles.
//
#define FLUSH_FLAGS_FILE_DATA_SYNC_ONLY 0x00000004 // REDSTONE1

#endif
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