1 files changed, 23 insertions, 0 deletions
diff --git a/storage/rocksdb/mysql-test/rocksdb/include/have_direct_io.inc b/storage/rocksdb/mysql-test/rocksdb/include/have_direct_io.inc
new file mode 100644
index 00000000..d9b4b46b
--- /dev/null
+++ b/storage/rocksdb/mysql-test/rocksdb/include/have_direct_io.inc
@@ -0,0 +1,23 @@
+# Common test pattern for options that control direct i/o
+#
+# Required input:
+#   $io_option - name and assignment to enable on server command line
+
+--perl
+use Cwd 'abs_path';
+
+open(FILE, ">", "$ENV{MYSQL_TMP_DIR}/data_in_shm.inc") or die;
+my $real_path= abs_path($ENV{'MYSQLTEST_VARDIR'});
+my $in_shm= (index($real_path, "/dev/shm") != -1) ||
+            (index($real_path, "/run/shm") != -1);
+print FILE "let \$DATA_IN_SHM= $in_shm;\n";
+close FILE;
+EOF
+
+--source $MYSQL_TMP_DIR/data_in_shm.inc
+--remove_file $MYSQL_TMP_DIR/data_in_shm.inc
+
+if ($DATA_IN_SHM)
+{
+  --skip DATADIR is in /{dev|run}/shm, possibly due to --mem
+}