adjusted phrase to be more clear and meaningful in PT

sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/InMemoryFileIndex.scala

@@ -23,6 +23,7 @@ import scala.collection.mutable
 
 import org.apache.hadoop.conf.Configuration
 import org.apache.hadoop.fs._
+import org.apache.hadoop.hdfs.DistributedFileSystem
 import org.apache.hadoop.mapred.{FileInputFormat, JobConf}
 
 import org.apache.spark.SparkContext
@@ -274,7 +275,21 @@ object InMemoryFileIndex extends Logging {
     // [SPARK-17599] Prevent InMemoryFileIndex from failing if path doesn't exist
     // Note that statuses only include FileStatus for the files and dirs directly under path,
     // and does not include anything else recursively.
-    val statuses = try fs.listStatus(path) catch {
+    val statuses: Array[FileStatus] = try {
+      fs match {
+        // DistributedFileSystem overrides listLocatedStatus to make 1 single call to namenode
+        // to retrieve the file status with the file block location. The reason to still fallback
+        // to listStatus is because the default implementation would potentially throw a
+        // FileNotFoundException which is better handled by doing the lookups manually below.
+        case _: DistributedFileSystem =>
+          val remoteIter = fs.listLocatedStatus(path)
+          new Iterator[LocatedFileStatus]() {
+            def next(): LocatedFileStatus = remoteIter.next
+            def hasNext(): Boolean = remoteIter.hasNext
+          }.toArray
+        case _ => fs.listStatus(path)
+      }
+    } catch {
       case _: FileNotFoundException =>
         logWarning(s"The directory $path was not found. Was it deleted very recently?")
         Array.empty[FileStatus]