HADOOP-12600. FileContext and AbstractFileSystem should be annotated as a Stable interface. Contributed by Chris Nauroth.

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -994,6 +994,9 @@ Release 2.8.0 - UNRELEASED
     HADOOP-10465. Fix use of generics within SortedMapWritable.
     (Bertrand Dechoux via wheat9)
 
+    HADOOP-12600. FileContext and AbstractFileSystem should be annotated as a
+    Stable interface. (cnauroth)
+
   OPTIMIZATIONS
 
     HADOOP-11785. Reduce the number of listStatus operation in distcp

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/AbstractFileSystem.java

@@ -64,7 +64,7 @@ import com.google.common.annotations.VisibleForTesting;
  * to the root of the "this" file system .
  */
 @InterfaceAudience.Public
-@InterfaceStability.Evolving /*Evolving for a release,to be changed to Stable */
+@InterfaceStability.Stable
 public abstract class AbstractFileSystem {
   static final Log LOG = LogFactory.getLog(AbstractFileSystem.class);
 

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileContext.java

@@ -165,7 +165,7 @@ import org.apache.htrace.core.Tracer;
  */
 
 @InterfaceAudience.Public
-@InterfaceStability.Evolving /*Evolving for a release,to be changed to Stable */
+@InterfaceStability.Stable
 public class FileContext {
   
   public static final Log LOG = LogFactory.getLog(FileContext.class);