--- rocksdb/util/env_posix.cc.orig	Fri Dec  9 21:59:51 2016
+++ rocksdb/util/env_posix.cc	Thu Dec 22 14:44:45 2016
@@ -157,7 +157,7 @@
       *result = nullptr;
       return IOError(fname, errno);
     } else if (options.use_direct_reads && !options.use_mmap_writes) {
-#ifdef OS_MACOSX
+#if defined(OS_MACOSX) || defined(OS_OPENBSD) || defined(OS_SOLARIS)
       int flags = O_RDONLY;
 #else
       int flags = O_RDONLY | O_DIRECT;
@@ -215,7 +215,7 @@
       }
       close(fd);
     } else if (options.use_direct_reads) {
-#ifdef OS_MACOSX
+#if defined(OS_MACOSX) || defined(OS_OPENBSD) || defined(OS_SOLARIS)
       int flags = O_RDONLY;
 #else
       int flags = O_RDONLY | O_DIRECT;
@@ -269,7 +269,7 @@
       if (options.use_mmap_writes && !forceMmapOff) {
         result->reset(new PosixMmapFile(fname, fd, page_size_, options));
       } else if (options.use_direct_writes) {
-#ifdef OS_MACOSX
+#if defined(OS_MACOSX) || defined(OS_OPENBSD) || defined(OS_SOLARIS)
         int flags = O_WRONLY | O_APPEND | O_TRUNC | O_CREAT;
 #else
         int flags = O_WRONLY | O_APPEND | O_TRUNC | O_CREAT | O_DIRECT;