Merge pull request #73 from childsb/acl_cleanup

remove acl code not needed for 2.x

Author: childsb

src/main/java/org/apache/hadoop/fs/glusterfs/AclPathFilter.java

@@ -52,8 +52,8 @@ public class GlusterVolume extends RawLocalFileSystem{
     public static final URI NAME = URI.create("glusterfs:///");
 
     protected String root=null;
-    protected String superUser=null;
-    protected AclPathFilter aclFilter = null;
+
+  
 
     protected static GlusterFSXattr attr = null;
 
@@ -93,12 +93,7 @@ public void setConf(Configuration conf){
                 if(!exists(mapredSysDirectory)){
                     mkdirs(mapredSysDirectory);
                 }
-                //ACL setup
-                aclFilter = new AclPathFilter(conf);
-				superUser =  conf.get("gluster.daemon.user", null);
-				log.info("mapreduce/superuser daemon : " + superUser);
-
-				//Working directory setup
+                //Working directory setup
                 Path workingDirectory = getInitialWorkingDirectory();
                 mkdirs(workingDirectory);
                 setWorkingDirectory(workingDirectory);
@@ -228,36 +223,18 @@ public long getBlockSize(Path path) throws IOException{
 
         return blkSz;
     }
-    /*
-     * ensures the 'super user' is given read/write access.  
-     * the ACL drops off after a chmod or chown.
-     */
-    
-    private void updateAcl(Path p){
-    	if(superUser!=null && aclFilter.matches(p)  ){
-    		File f = pathToFile(p);
-    		String path = f.getAbsolutePath();
-    		String command = "setfacl -m u:" + superUser + ":rwx " + path;
-    		try{
-    			Runtime.getRuntime().exec(command);
-    		}catch(IOException ex){
-    			throw new RuntimeException(ex);
-    		}
-    	}
-    }
 
     public void setOwner(Path p, String username, String groupname)
             throws IOException {
     	super.setOwner(p,username,groupname);
-    	updateAcl(p);
 
     }
 
     public void setPermission(Path p, FsPermission permission)
             throws IOException {
     	super.setPermission(p,permission);
-    	updateAcl(p);
     }
+
     public BlockLocation[] getFileBlockLocations(FileStatus file,long start,long len) throws IOException{
         File f=pathToFile(file.getPath());
         BlockLocation[] result=null;