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Posted to commits@ignite.apache.org by vo...@apache.org on 2015/03/04 13:24:22 UTC

[14/15] incubator-ignite git commit: # IGNITE-386: API finalization.

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/GridCacheProcessor.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/GridCacheProcessor.java b/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/GridCacheProcessor.java
index 3b2ca47..72c2b49 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/GridCacheProcessor.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/GridCacheProcessor.java
@@ -550,10 +550,10 @@ public class GridCacheProcessor extends GridProcessorAdapter {
         maxPreloadOrder = validatePreloadOrder(ctx.config().getCacheConfiguration());
 
         // Internal caches which should not be returned to user.
-        IgfsConfiguration[] igfsCfgs = ctx.grid().configuration().getIgfsConfiguration();
+        FileSystemConfiguration[] igfsCfgs = ctx.grid().configuration().getFileSystemConfiguration();
 
         if (igfsCfgs != null) {
-            for (IgfsConfiguration igfsCfg : igfsCfgs) {
+            for (FileSystemConfiguration igfsCfg : igfsCfgs) {
                 sysCaches.add(igfsCfg.getMetaCacheName());
                 sysCaches.add(igfsCfg.getDataCacheName());
             }

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/GridCacheUtils.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/GridCacheUtils.java b/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/GridCacheUtils.java
index 1e67907..b07c14e 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/GridCacheUtils.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/GridCacheUtils.java
@@ -1594,10 +1594,10 @@ public class GridCacheUtils {
      * @return {@code True} in this is IGFS data or meta cache.
      */
     public static boolean isIgfsCache(IgniteConfiguration cfg, @Nullable String cacheName) {
-        IgfsConfiguration[] igfsCfgs = cfg.getIgfsConfiguration();
+        FileSystemConfiguration[] igfsCfgs = cfg.getFileSystemConfiguration();
 
         if (igfsCfgs != null) {
-            for (IgfsConfiguration igfsCfg : igfsCfgs) {
+            for (FileSystemConfiguration igfsCfg : igfsCfgs) {
                 // IGFS config probably has not been validated yet => possible NPE, so we check for null.
                 if (igfsCfg != null &&
                     (F.eq(cacheName, igfsCfg.getDataCacheName()) || F.eq(cacheName, igfsCfg.getMetaCacheName())))

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsAsyncImpl.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsAsyncImpl.java b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsAsyncImpl.java
index 7aeeb46..48a32f4 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsAsyncImpl.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsAsyncImpl.java
@@ -193,7 +193,7 @@ public class IgfsAsyncImpl extends AsyncSupportAdapter<IgniteFileSystem> impleme
     }
 
     /** {@inheritDoc} */
-    @Override public IgfsConfiguration configuration() {
+    @Override public FileSystemConfiguration configuration() {
         return igfs.configuration();
     }
 

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsContext.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsContext.java b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsContext.java
index 245a1dd..475a7fc 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsContext.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsContext.java
@@ -37,7 +37,7 @@ public class IgfsContext {
     private final GridKernalContext ctx;
 
     /** Configuration. */
-    private final IgfsConfiguration cfg;
+    private final FileSystemConfiguration cfg;
 
     /** Managers. */
     private List<IgfsManager> mgrs = new LinkedList<>();
@@ -68,7 +68,7 @@ public class IgfsContext {
      */
     public IgfsContext(
         GridKernalContext ctx,
-        IgfsConfiguration cfg,
+        FileSystemConfiguration cfg,
         IgfsMetaManager metaMgr,
         IgfsDataManager dataMgr,
         IgfsServerManager srvMgr,
@@ -102,7 +102,7 @@ public class IgfsContext {
     /**
      * @return IGFS configuration.
      */
-    public IgfsConfiguration configuration() {
+    public FileSystemConfiguration configuration() {
         return cfg;
     }
 

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsDataManager.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsDataManager.java b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsDataManager.java
index 333c5ca..72bd60a 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsDataManager.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsDataManager.java
@@ -307,7 +307,7 @@ public class IgfsDataManager extends IgfsManager {
         IgniteDataLoader<IgfsBlockKey, byte[]> ldr =
             igfsCtx.kernalContext().<IgfsBlockKey, byte[]>dataLoad().dataLoader(dataCachePrj.name());
 
-        IgfsConfiguration cfg = igfsCtx.configuration();
+        FileSystemConfiguration cfg = igfsCtx.configuration();
 
         if (cfg.getPerNodeBatchSize() > 0)
             ldr.perNodeBufferSize(cfg.getPerNodeBatchSize());

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsFileInfo.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsFileInfo.java b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsFileInfo.java
index 43def03..e88503b 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsFileInfo.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsFileInfo.java
@@ -99,13 +99,13 @@ public final class IgfsFileInfo implements Externalizable {
     }
 
     /**
-     * Constructs directory or file info with {@link org.apache.ignite.configuration.IgfsConfiguration#DFLT_BLOCK_SIZE default} block size.
+     * Constructs directory or file info with {@link org.apache.ignite.configuration.FileSystemConfiguration#DFLT_BLOCK_SIZE default} block size.
      *
      * @param isDir Constructs directory info if {@code true} or file info if {@code false}.
      * @param props Meta properties to set.
      */
     public IgfsFileInfo(boolean isDir, @Nullable Map<String, String> props) {
-        this(isDir, null, isDir ? 0 : IgfsConfiguration.DFLT_BLOCK_SIZE, 0, null, null, props, null, false,
+        this(isDir, null, isDir ? 0 : FileSystemConfiguration.DFLT_BLOCK_SIZE, 0, null, null, props, null, false,
             System.currentTimeMillis(), false);
     }
 

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsImpl.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsImpl.java b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsImpl.java
index f3fcc83..614815f 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsImpl.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsImpl.java
@@ -72,7 +72,7 @@ public final class IgfsImpl implements IgfsEx {
     private IgfsDataManager data;
 
     /** FS configuration. */
-    private IgfsConfiguration cfg;
+    private FileSystemConfiguration cfg;
 
     /** IGFS context. */
     private IgfsContext igfsCtx;
@@ -378,7 +378,7 @@ public final class IgfsImpl implements IgfsEx {
     }
 
     /** {@inheritDoc} */
-    @Override public IgfsConfiguration configuration() {
+    @Override public FileSystemConfiguration configuration() {
         return cfg;
     }
 
@@ -1789,7 +1789,7 @@ public final class IgfsImpl implements IgfsEx {
 
     /**
      * Executes IGFS task with overridden maximum range length (see
-     * {@link org.apache.ignite.configuration.IgfsConfiguration#getMaximumTaskRangeLength()} for more information).
+     * {@link org.apache.ignite.configuration.FileSystemConfiguration#getMaximumTaskRangeLength()} for more information).
      *
      * @param task Task to execute.
      * @param rslvr Optional resolver to control split boundaries.
@@ -1823,7 +1823,7 @@ public final class IgfsImpl implements IgfsEx {
 
     /**
      * Executes IGFS task asynchronously with overridden maximum range length (see
-     * {@link org.apache.ignite.configuration.IgfsConfiguration#getMaximumTaskRangeLength()} for more information).
+     * {@link org.apache.ignite.configuration.FileSystemConfiguration#getMaximumTaskRangeLength()} for more information).
      *
      * @param taskCls Task class to execute.
      * @param rslvr Optional resolver to control split boundaries.

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsMetaManager.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsMetaManager.java b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsMetaManager.java
index f2fc9f9..adc0254 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsMetaManager.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsMetaManager.java
@@ -52,7 +52,7 @@ import static org.apache.ignite.transactions.TransactionIsolation.*;
 @SuppressWarnings("all")
 public class IgfsMetaManager extends IgfsManager {
     /** IGFS configuration. */
-    private IgfsConfiguration cfg;
+    private FileSystemConfiguration cfg;
 
     /** Metadata cache. */
     private GridCache<Object, Object> metaCache;

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsProcessor.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsProcessor.java b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsProcessor.java
index 20bfcca..e1b5114 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsProcessor.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsProcessor.java
@@ -73,17 +73,17 @@ public class IgfsProcessor extends IgfsProcessorAdapter {
         if (ctx.config().isDaemon())
             return;
 
-        IgfsConfiguration[] cfgs = ctx.config().getIgfsConfiguration();
+        FileSystemConfiguration[] cfgs = ctx.config().getFileSystemConfiguration();
 
         assert cfgs != null && cfgs.length > 0;
 
         validateLocalIgfsConfigurations(cfgs);
 
         // Start IGFS instances.
-        for (IgfsConfiguration cfg : cfgs) {
+        for (FileSystemConfiguration cfg : cfgs) {
             IgfsContext igfsCtx = new IgfsContext(
                 ctx,
-                new IgfsConfiguration(cfg),
+                new FileSystemConfiguration(cfg),
                 new IgfsMetaManager(),
                 new IgfsDataManager(),
                 new IgfsServerManager(),
@@ -202,7 +202,7 @@ public class IgfsProcessor extends IgfsProcessorAdapter {
         // is daemon;
         // doesn't have configured IGFS;
         // doesn't have configured caches.
-        if (gridCfg.isDaemon() || F.isEmpty(gridCfg.getIgfsConfiguration()) ||
+        if (gridCfg.isDaemon() || F.isEmpty(gridCfg.getFileSystemConfiguration()) ||
             F.isEmpty(gridCfg.getCacheConfiguration()))
             return;
 
@@ -216,9 +216,9 @@ public class IgfsProcessor extends IgfsProcessorAdapter {
 
         Collection<IgfsAttributes> attrVals = new ArrayList<>();
 
-        assert gridCfg.getIgfsConfiguration() != null;
+        assert gridCfg.getFileSystemConfiguration() != null;
 
-        for (IgfsConfiguration igfsCfg : gridCfg.getIgfsConfiguration()) {
+        for (FileSystemConfiguration igfsCfg : gridCfg.getFileSystemConfiguration()) {
             CacheConfiguration cacheCfg = cacheCfgs.get(igfsCfg.getDataCacheName());
 
             if (cacheCfg == null)
@@ -258,10 +258,10 @@ public class IgfsProcessor extends IgfsProcessorAdapter {
      * @param cfgs IGFS configurations
      * @throws IgniteCheckedException If any of IGFS configurations is invalid.
      */
-    private void validateLocalIgfsConfigurations(IgfsConfiguration[] cfgs) throws IgniteCheckedException {
+    private void validateLocalIgfsConfigurations(FileSystemConfiguration[] cfgs) throws IgniteCheckedException {
         Collection<String> cfgNames = new HashSet<>();
 
-        for (IgfsConfiguration cfg : cfgs) {
+        for (FileSystemConfiguration cfg : cfgs) {
             String name = cfg.getName();
 
             if (cfgNames.contains(name))

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsServerManager.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsServerManager.java b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsServerManager.java
index e1f4a0f..643eeff 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsServerManager.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsServerManager.java
@@ -29,7 +29,7 @@ import org.apache.ignite.thread.*;
 import java.util.*;
 import java.util.concurrent.*;
 
-import static org.apache.ignite.configuration.IgfsConfiguration.*;
+import static org.apache.ignite.configuration.FileSystemConfiguration.*;
 
 /**
  * IGFS server manager.
@@ -49,7 +49,7 @@ public class IgfsServerManager extends IgfsManager {
 
     /** {@inheritDoc} */
     @Override protected void start0() throws IgniteCheckedException {
-        IgfsConfiguration igfsCfg = igfsCtx.configuration();
+        FileSystemConfiguration igfsCfg = igfsCtx.configuration();
         Map<String,String> cfg = igfsCfg.getIpcEndpointConfiguration();
 
         if (F.isEmpty(cfg)) {

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/main/java/org/apache/ignite/internal/visor/node/VisorGridConfiguration.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/visor/node/VisorGridConfiguration.java b/modules/core/src/main/java/org/apache/ignite/internal/visor/node/VisorGridConfiguration.java
index 96c69d9..cc6ae63 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/visor/node/VisorGridConfiguration.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/visor/node/VisorGridConfiguration.java
@@ -114,7 +114,7 @@ public class VisorGridConfiguration implements Serializable {
         rest = VisorRestConfiguration.from(c);
         userAttrs = c.getUserAttributes();
         caches = VisorCacheConfiguration.list(ignite, c.getCacheConfiguration());
-        igfss = VisorIgfsConfiguration.list(c.getIgfsConfiguration());
+        igfss = VisorIgfsConfiguration.list(c.getFileSystemConfiguration());
         streamers = VisorStreamerConfiguration.list(c.getStreamerConfiguration());
         env = new HashMap<>(getenv());
         sysProps = getProperties();

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/main/java/org/apache/ignite/internal/visor/node/VisorIgfsConfiguration.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/visor/node/VisorIgfsConfiguration.java b/modules/core/src/main/java/org/apache/ignite/internal/visor/node/VisorIgfsConfiguration.java
index fbb751a..f29dac5 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/visor/node/VisorIgfsConfiguration.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/visor/node/VisorIgfsConfiguration.java
@@ -126,7 +126,7 @@ public class VisorIgfsConfiguration implements Serializable {
      * @param igfs IGFS configuration.
      * @return Data transfer object for IGFS configuration properties.
      */
-    public static VisorIgfsConfiguration from(IgfsConfiguration igfs) {
+    public static VisorIgfsConfiguration from(FileSystemConfiguration igfs) {
         VisorIgfsConfiguration cfg = new VisorIgfsConfiguration();
 
         cfg.name = igfs.getName();
@@ -177,13 +177,13 @@ public class VisorIgfsConfiguration implements Serializable {
      * @param igfss Igfs configurations.
      * @return igfs configurations properties.
      */
-    public static Iterable<VisorIgfsConfiguration> list(IgfsConfiguration[] igfss) {
+    public static Iterable<VisorIgfsConfiguration> list(FileSystemConfiguration[] igfss) {
         if (igfss == null)
             return Collections.emptyList();
 
         final Collection<VisorIgfsConfiguration> cfgs = new ArrayList<>(igfss.length);
 
-        for (IgfsConfiguration igfs : igfss)
+        for (FileSystemConfiguration igfs : igfss)
             cfgs.add(from(igfs));
 
         return cfgs;

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/main/java/org/apache/ignite/internal/visor/util/VisorTaskUtils.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/visor/util/VisorTaskUtils.java b/modules/core/src/main/java/org/apache/ignite/internal/visor/util/VisorTaskUtils.java
index 31acae7..51e3c6e 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/visor/util/VisorTaskUtils.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/visor/util/VisorTaskUtils.java
@@ -46,7 +46,7 @@ import java.util.concurrent.atomic.*;
 import java.util.zip.*;
 
 import static java.lang.System.*;
-import static org.apache.ignite.configuration.IgfsConfiguration.*;
+import static org.apache.ignite.configuration.FileSystemConfiguration.*;
 import static org.apache.ignite.events.EventType.*;
 
 /**

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/test/config/igfs-loopback.xml
----------------------------------------------------------------------
diff --git a/modules/core/src/test/config/igfs-loopback.xml b/modules/core/src/test/config/igfs-loopback.xml
index 81ce501..ab4b172 100644
--- a/modules/core/src/test/config/igfs-loopback.xml
+++ b/modules/core/src/test/config/igfs-loopback.xml
@@ -80,7 +80,7 @@
 
         <property name="igfsConfiguration">
             <list>
-                <bean class="org.apache.ignite.configuration.IgfsConfiguration">
+                <bean class="org.apache.ignite.configuration.FileSystemConfiguration">
                     <property name="name" value="igfs"/>
                     <property name="metaCacheName" value="igfs-meta"/>
                     <property name="dataCacheName" value="igfs-data"/>

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/test/config/igfs-shmem.xml
----------------------------------------------------------------------
diff --git a/modules/core/src/test/config/igfs-shmem.xml b/modules/core/src/test/config/igfs-shmem.xml
index d30051b..bb0b0c1 100644
--- a/modules/core/src/test/config/igfs-shmem.xml
+++ b/modules/core/src/test/config/igfs-shmem.xml
@@ -80,7 +80,7 @@
 
         <property name="igfsConfiguration">
             <list>
-                <bean class="org.apache.ignite.configuration.IgfsConfiguration">
+                <bean class="org.apache.ignite.configuration.FileSystemConfiguration">
                     <property name="name" value="igfs"/>
                     <property name="metaCacheName" value="igfs-meta"/>
                     <property name="dataCacheName" value="igfs-data"/>

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/test/java/org/apache/ignite/igfs/IgfsEventsAbstractSelfTest.java
----------------------------------------------------------------------
diff --git a/modules/core/src/test/java/org/apache/ignite/igfs/IgfsEventsAbstractSelfTest.java b/modules/core/src/test/java/org/apache/ignite/igfs/IgfsEventsAbstractSelfTest.java
index c1b36a6..2d9d269 100644
--- a/modules/core/src/test/java/org/apache/ignite/igfs/IgfsEventsAbstractSelfTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/igfs/IgfsEventsAbstractSelfTest.java
@@ -84,8 +84,8 @@ public abstract class IgfsEventsAbstractSelfTest extends GridCommonAbstractTest
     /**
      * @return IGFS configuration for this test.
      */
-    protected IgfsConfiguration getIgfsConfiguration() throws IgniteCheckedException {
-        IgfsConfiguration igfsCfg = new IgfsConfiguration();
+    protected FileSystemConfiguration getIgfsConfiguration() throws IgniteCheckedException {
+        FileSystemConfiguration igfsCfg = new FileSystemConfiguration();
 
         igfsCfg.setDataCacheName("dataCache");
         igfsCfg.setMetaCacheName("metaCache");
@@ -109,7 +109,7 @@ public abstract class IgfsEventsAbstractSelfTest extends GridCommonAbstractTest
      * @return Grid configuration.
      * @throws Exception If failed.
      */
-    protected IgniteConfiguration getConfiguration(String gridName, IgfsConfiguration igfsCfg) throws Exception {
+    protected IgniteConfiguration getConfiguration(String gridName, FileSystemConfiguration igfsCfg) throws Exception {
         IgniteConfiguration cfg = IgnitionEx.loadConfiguration("config/hadoop/default-config.xml").get1();
 
         assert cfg != null;
@@ -118,7 +118,7 @@ public abstract class IgfsEventsAbstractSelfTest extends GridCommonAbstractTest
 
         cfg.setIncludeEventTypes(concat(EVTS_IGFS, EVT_TASK_FAILED, EVT_TASK_FINISHED, EVT_JOB_MAPPED));
 
-        cfg.setIgfsConfiguration(igfsCfg);
+        cfg.setFileSystemConfiguration(igfsCfg);
 
         cfg.setCacheConfiguration(getCacheConfiguration(gridName));
 

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/test/java/org/apache/ignite/igfs/IgfsFragmentizerAbstractSelfTest.java
----------------------------------------------------------------------
diff --git a/modules/core/src/test/java/org/apache/ignite/igfs/IgfsFragmentizerAbstractSelfTest.java b/modules/core/src/test/java/org/apache/ignite/igfs/IgfsFragmentizerAbstractSelfTest.java
index 6ae9c86..3fa0804 100644
--- a/modules/core/src/test/java/org/apache/ignite/igfs/IgfsFragmentizerAbstractSelfTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/igfs/IgfsFragmentizerAbstractSelfTest.java
@@ -63,7 +63,7 @@ public class IgfsFragmentizerAbstractSelfTest extends IgfsCommonAbstractTest {
 
         cfg.setCacheConfiguration(metaConfiguration(), dataConfiguration());
 
-        IgfsConfiguration igfsCfg = new IgfsConfiguration();
+        FileSystemConfiguration igfsCfg = new FileSystemConfiguration();
 
         igfsCfg.setName("igfs");
         igfsCfg.setMetaCacheName(META_CACHE_NAME);
@@ -76,7 +76,7 @@ public class IgfsFragmentizerAbstractSelfTest extends IgfsCommonAbstractTest {
         igfsCfg.setFragmentizerThrottlingBlockLength(16 * IGFS_BLOCK_SIZE);
         igfsCfg.setFragmentizerThrottlingDelay(10);
 
-        cfg.setIgfsConfiguration(igfsCfg);
+        cfg.setFileSystemConfiguration(igfsCfg);
 
         return cfg;
     }

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsAbstractSelfTest.java
----------------------------------------------------------------------
diff --git a/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsAbstractSelfTest.java b/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsAbstractSelfTest.java
index 31fc4a7..9a99611 100644
--- a/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsAbstractSelfTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsAbstractSelfTest.java
@@ -183,7 +183,7 @@ public abstract class IgfsAbstractSelfTest extends IgfsCommonAbstractTest {
      */
     protected Ignite startGridWithIgfs(String gridName, String igfsName, IgfsMode mode,
         @Nullable IgfsSecondaryFileSystem secondaryFs, @Nullable Map<String, String> restCfg) throws Exception {
-        IgfsConfiguration igfsCfg = new IgfsConfiguration();
+        FileSystemConfiguration igfsCfg = new FileSystemConfiguration();
 
         igfsCfg.setDataCacheName("dataCache");
         igfsCfg.setMetaCacheName("metaCache");
@@ -226,7 +226,7 @@ public abstract class IgfsAbstractSelfTest extends IgfsCommonAbstractTest {
 
         cfg.setDiscoverySpi(discoSpi);
         cfg.setCacheConfiguration(dataCacheCfg, metaCacheCfg);
-        cfg.setIgfsConfiguration(igfsCfg);
+        cfg.setFileSystemConfiguration(igfsCfg);
 
         cfg.setLocalHost("127.0.0.1");
         cfg.setConnectorConfiguration(null);

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsCachePerBlockLruEvictionPolicySelfTest.java
----------------------------------------------------------------------
diff --git a/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsCachePerBlockLruEvictionPolicySelfTest.java b/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsCachePerBlockLruEvictionPolicySelfTest.java
index e4b2913..fd590f5 100644
--- a/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsCachePerBlockLruEvictionPolicySelfTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsCachePerBlockLruEvictionPolicySelfTest.java
@@ -79,7 +79,7 @@ public class IgfsCachePerBlockLruEvictionPolicySelfTest extends IgfsCommonAbstra
      * @throws Exception If failed.
      */
     private void startPrimary() throws Exception {
-        IgfsConfiguration igfsCfg = new IgfsConfiguration();
+        FileSystemConfiguration igfsCfg = new FileSystemConfiguration();
 
         igfsCfg.setDataCacheName("dataCache");
         igfsCfg.setMetaCacheName("metaCache");
@@ -130,7 +130,7 @@ public class IgfsCachePerBlockLruEvictionPolicySelfTest extends IgfsCommonAbstra
 
         cfg.setDiscoverySpi(discoSpi);
         cfg.setCacheConfiguration(dataCacheCfg, metaCacheCfg);
-        cfg.setIgfsConfiguration(igfsCfg);
+        cfg.setFileSystemConfiguration(igfsCfg);
 
         cfg.setLocalHost("127.0.0.1");
         cfg.setConnectorConfiguration(null);
@@ -149,7 +149,7 @@ public class IgfsCachePerBlockLruEvictionPolicySelfTest extends IgfsCommonAbstra
      * @throws Exception If failed.
      */
     private void startSecondary() throws Exception {
-        IgfsConfiguration igfsCfg = new IgfsConfiguration();
+        FileSystemConfiguration igfsCfg = new FileSystemConfiguration();
 
         igfsCfg.setDataCacheName("dataCache");
         igfsCfg.setMetaCacheName("metaCache");
@@ -188,7 +188,7 @@ public class IgfsCachePerBlockLruEvictionPolicySelfTest extends IgfsCommonAbstra
 
         cfg.setDiscoverySpi(discoSpi);
         cfg.setCacheConfiguration(dataCacheCfg, metaCacheCfg);
-        cfg.setIgfsConfiguration(igfsCfg);
+        cfg.setFileSystemConfiguration(igfsCfg);
 
         cfg.setLocalHost("127.0.0.1");
         cfg.setConnectorConfiguration(null);

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsCacheSelfTest.java
----------------------------------------------------------------------
diff --git a/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsCacheSelfTest.java b/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsCacheSelfTest.java
index bde395b..255e319 100644
--- a/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsCacheSelfTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsCacheSelfTest.java
@@ -57,13 +57,13 @@ public class IgfsCacheSelfTest extends IgfsCommonAbstractTest {
 
         cfg.setDiscoverySpi(discoSpi);
 
-        IgfsConfiguration igfsCfg = new IgfsConfiguration();
+        FileSystemConfiguration igfsCfg = new FileSystemConfiguration();
 
         igfsCfg.setMetaCacheName(META_CACHE_NAME);
         igfsCfg.setDataCacheName(DATA_CACHE_NAME);
         igfsCfg.setName("igfs");
 
-        cfg.setIgfsConfiguration(igfsCfg);
+        cfg.setFileSystemConfiguration(igfsCfg);
 
         return cfg;
     }

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsDataManagerSelfTest.java
----------------------------------------------------------------------
diff --git a/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsDataManagerSelfTest.java b/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsDataManagerSelfTest.java
index 2af01bf..297cc7b 100644
--- a/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsDataManagerSelfTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsDataManagerSelfTest.java
@@ -95,7 +95,7 @@ public class IgfsDataManagerSelfTest extends IgfsCommonAbstractTest {
 
         cfg.setDiscoverySpi(discoSpi);
 
-        IgfsConfiguration igfsCfg = new IgfsConfiguration();
+        FileSystemConfiguration igfsCfg = new FileSystemConfiguration();
 
         igfsCfg.setMetaCacheName(META_CACHE_NAME);
         igfsCfg.setDataCacheName(DATA_CACHE_NAME);
@@ -103,7 +103,7 @@ public class IgfsDataManagerSelfTest extends IgfsCommonAbstractTest {
         igfsCfg.setName("igfs");
         igfsCfg.setBlockSize(BLOCK_SIZE);
 
-        cfg.setIgfsConfiguration(igfsCfg);
+        cfg.setFileSystemConfiguration(igfsCfg);
 
         return cfg;
     }

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsMetaManagerSelfTest.java
----------------------------------------------------------------------
diff --git a/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsMetaManagerSelfTest.java b/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsMetaManagerSelfTest.java
index 1a52b7c..11d6cc5 100644
--- a/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsMetaManagerSelfTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsMetaManagerSelfTest.java
@@ -75,13 +75,13 @@ public class IgfsMetaManagerSelfTest extends IgfsCommonAbstractTest {
 
         cfg.setDiscoverySpi(discoSpi);
 
-        IgfsConfiguration igfsCfg = new IgfsConfiguration();
+        FileSystemConfiguration igfsCfg = new FileSystemConfiguration();
 
         igfsCfg.setMetaCacheName(META_CACHE_NAME);
         igfsCfg.setDataCacheName(DATA_CACHE_NAME);
         igfsCfg.setName("igfs");
 
-        cfg.setIgfsConfiguration(igfsCfg);
+        cfg.setFileSystemConfiguration(igfsCfg);
 
         return cfg;
     }

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsMetricsSelfTest.java
----------------------------------------------------------------------
diff --git a/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsMetricsSelfTest.java b/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsMetricsSelfTest.java
index 0739148..0af1dea 100644
--- a/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsMetricsSelfTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsMetricsSelfTest.java
@@ -101,7 +101,7 @@ public class IgfsMetricsSelfTest extends IgfsCommonAbstractTest {
      * @throws Exception If failed.
      */
     private IgniteConfiguration primaryConfiguration(int idx) throws Exception {
-        IgfsConfiguration igfsCfg = new IgfsConfiguration();
+        FileSystemConfiguration igfsCfg = new FileSystemConfiguration();
 
         igfsCfg.setDataCacheName("dataCache");
         igfsCfg.setMetaCacheName("metaCache");
@@ -146,7 +146,7 @@ public class IgfsMetricsSelfTest extends IgfsCommonAbstractTest {
 
         cfg.setDiscoverySpi(discoSpi);
         cfg.setCacheConfiguration(dataCacheCfg, metaCacheCfg);
-        cfg.setIgfsConfiguration(igfsCfg);
+        cfg.setFileSystemConfiguration(igfsCfg);
 
         cfg.setLocalHost("127.0.0.1");
 
@@ -159,7 +159,7 @@ public class IgfsMetricsSelfTest extends IgfsCommonAbstractTest {
      * @throws Exception If failed.
      */
     private void startSecondary() throws Exception {
-        IgfsConfiguration igfsCfg = new IgfsConfiguration();
+        FileSystemConfiguration igfsCfg = new FileSystemConfiguration();
 
         igfsCfg.setDataCacheName("dataCache");
         igfsCfg.setMetaCacheName("metaCache");
@@ -198,7 +198,7 @@ public class IgfsMetricsSelfTest extends IgfsCommonAbstractTest {
 
         cfg.setDiscoverySpi(discoSpi);
         cfg.setCacheConfiguration(dataCacheCfg, metaCacheCfg);
-        cfg.setIgfsConfiguration(igfsCfg);
+        cfg.setFileSystemConfiguration(igfsCfg);
 
         cfg.setLocalHost("127.0.0.1");
 

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsModesSelfTest.java
----------------------------------------------------------------------
diff --git a/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsModesSelfTest.java b/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsModesSelfTest.java
index 1a37e93..ea136ac 100644
--- a/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsModesSelfTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsModesSelfTest.java
@@ -82,7 +82,7 @@ public class IgfsModesSelfTest extends IgfsCommonAbstractTest {
     private void startUp() throws Exception {
         startUpSecondary();
 
-        IgfsConfiguration igfsCfg = new IgfsConfiguration();
+        FileSystemConfiguration igfsCfg = new FileSystemConfiguration();
 
         igfsCfg.setDataCacheName("partitioned");
         igfsCfg.setMetaCacheName("replicated");
@@ -128,7 +128,7 @@ public class IgfsModesSelfTest extends IgfsCommonAbstractTest {
 
         cfg.setDiscoverySpi(discoSpi);
         cfg.setCacheConfiguration(metaCacheCfg, cacheCfg);
-        cfg.setIgfsConfiguration(igfsCfg);
+        cfg.setFileSystemConfiguration(igfsCfg);
 
         cfg.setLocalHost("127.0.0.1");
         cfg.setConnectorConfiguration(null);
@@ -144,7 +144,7 @@ public class IgfsModesSelfTest extends IgfsCommonAbstractTest {
      * @throws Exception If failed.
      */
     private void startUpSecondary() throws Exception {
-        IgfsConfiguration igfsCfg = new IgfsConfiguration();
+        FileSystemConfiguration igfsCfg = new FileSystemConfiguration();
 
         igfsCfg.setDataCacheName("partitioned");
         igfsCfg.setMetaCacheName("replicated");
@@ -185,7 +185,7 @@ public class IgfsModesSelfTest extends IgfsCommonAbstractTest {
 
         cfg.setDiscoverySpi(discoSpi);
         cfg.setCacheConfiguration(metaCacheCfg, cacheCfg);
-        cfg.setIgfsConfiguration(igfsCfg);
+        cfg.setFileSystemConfiguration(igfsCfg);
 
         cfg.setLocalHost("127.0.0.1");
         cfg.setConnectorConfiguration(null);

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsProcessorSelfTest.java
----------------------------------------------------------------------
diff --git a/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsProcessorSelfTest.java b/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsProcessorSelfTest.java
index 135e543..0e03aa8 100644
--- a/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsProcessorSelfTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsProcessorSelfTest.java
@@ -73,7 +73,7 @@ public class IgfsProcessorSelfTest extends IgfsCommonAbstractTest {
 
         igfs = grid.fileSystem(igfsName());
 
-        IgfsConfiguration[] cfgs = grid.configuration().getIgfsConfiguration();
+        FileSystemConfiguration[] cfgs = grid.configuration().getFileSystemConfiguration();
 
         assert cfgs.length == 1;
 
@@ -111,13 +111,13 @@ public class IgfsProcessorSelfTest extends IgfsCommonAbstractTest {
 
         cfg.setDiscoverySpi(discoSpi);
 
-        IgfsConfiguration igfsCfg = new IgfsConfiguration();
+        FileSystemConfiguration igfsCfg = new FileSystemConfiguration();
 
         igfsCfg.setMetaCacheName(META_CACHE_NAME);
         igfsCfg.setDataCacheName(DATA_CACHE_NAME);
         igfsCfg.setName("igfs");
 
-        cfg.setIgfsConfiguration(igfsCfg);
+        cfg.setFileSystemConfiguration(igfsCfg);
 
         return cfg;
     }

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsProcessorValidationSelfTest.java
----------------------------------------------------------------------
diff --git a/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsProcessorValidationSelfTest.java b/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsProcessorValidationSelfTest.java
index 6f444c0..063c970 100644
--- a/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsProcessorValidationSelfTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsProcessorValidationSelfTest.java
@@ -37,7 +37,7 @@ import static org.apache.ignite.igfs.IgfsMode.*;
  * Tests for node validation logic in {@link IgfsProcessor}.
  * <p>
  * Tests starting with "testLocal" are checking
- * {@link IgfsProcessor#validateLocalIgfsConfigurations(org.apache.ignite.configuration.IgfsConfiguration[])}.
+ * {@link IgfsProcessor#validateLocalIgfsConfigurations(org.apache.ignite.configuration.FileSystemConfiguration[])}.
  * <p>
  * Tests starting with "testRemote" are checking {@link IgfsProcessor#checkIgfsOnRemoteNode(org.apache.ignite.cluster.ClusterNode)}.
  */
@@ -61,10 +61,10 @@ public class IgfsProcessorValidationSelfTest extends IgfsCommonAbstractTest {
     private static final String metaCache2Name = "metaCache2";
 
     /** First IGFS config in grid #1. */
-    private IgfsConfiguration g1IgfsCfg1 = new IgfsConfiguration();
+    private FileSystemConfiguration g1IgfsCfg1 = new FileSystemConfiguration();
 
     /** Second IGFS config in grid#1. */
-    private IgfsConfiguration g1IgfsCfg2 = new IgfsConfiguration();
+    private FileSystemConfiguration g1IgfsCfg2 = new FileSystemConfiguration();
 
     /** {@inheritDoc} */
     @Override protected void beforeTest() throws Exception {
@@ -89,7 +89,7 @@ public class IgfsProcessorValidationSelfTest extends IgfsCommonAbstractTest {
         g1IgfsCfg2.setDataCacheName(dataCache2Name);
         g1IgfsCfg2.setMetaCacheName(metaCache2Name);
 
-        cfg.setIgfsConfiguration(g1IgfsCfg1, g1IgfsCfg2);
+        cfg.setFileSystemConfiguration(g1IgfsCfg1, g1IgfsCfg2);
 
         cfg.setLocalHost("127.0.0.1");
 
@@ -278,11 +278,11 @@ public class IgfsProcessorValidationSelfTest extends IgfsCommonAbstractTest {
         g1Cfg.setCacheConfiguration(concat(dataCaches(1024), metaCaches(), CacheConfiguration.class));
         g2Cfg.setCacheConfiguration(concat(dataCaches(1024), metaCaches(), CacheConfiguration.class));
 
-        IgfsConfiguration g2IgfsCfg1 = new IgfsConfiguration(g1IgfsCfg1);
+        FileSystemConfiguration g2IgfsCfg1 = new FileSystemConfiguration(g1IgfsCfg1);
 
         g2IgfsCfg1.setBlockSize(g2IgfsCfg1.getBlockSize() + 100);
 
-        g2Cfg.setIgfsConfiguration(g2IgfsCfg1, g1IgfsCfg2);
+        g2Cfg.setFileSystemConfiguration(g2IgfsCfg1, g1IgfsCfg2);
 
         G.start(g1Cfg);
 
@@ -310,8 +310,8 @@ public class IgfsProcessorValidationSelfTest extends IgfsCommonAbstractTest {
     public void testRemoteIfMetaCacheNameDiffers() throws Exception {
         IgniteConfiguration g2Cfg = getConfiguration("g2");
 
-        IgfsConfiguration g2IgfsCfg1 = new IgfsConfiguration(g1IgfsCfg1);
-        IgfsConfiguration g2IgfsCfg2 = new IgfsConfiguration(g1IgfsCfg2);
+        FileSystemConfiguration g2IgfsCfg1 = new FileSystemConfiguration(g1IgfsCfg1);
+        FileSystemConfiguration g2IgfsCfg2 = new FileSystemConfiguration(g1IgfsCfg2);
 
         g2IgfsCfg1.setMetaCacheName("g2MetaCache1");
         g2IgfsCfg2.setMetaCacheName("g2MetaCache2");
@@ -320,7 +320,7 @@ public class IgfsProcessorValidationSelfTest extends IgfsCommonAbstractTest {
         g2Cfg.setCacheConfiguration(concat(dataCaches(1024), metaCaches("g2MetaCache1", "g2MetaCache2"),
              CacheConfiguration.class));
 
-        g2Cfg.setIgfsConfiguration(g2IgfsCfg1, g2IgfsCfg2);
+        g2Cfg.setFileSystemConfiguration(g2IgfsCfg1, g2IgfsCfg2);
 
         G.start(g1Cfg);
 
@@ -333,8 +333,8 @@ public class IgfsProcessorValidationSelfTest extends IgfsCommonAbstractTest {
     public void testRemoteIfMetaCacheNameEquals() throws Exception {
         IgniteConfiguration g2Cfg = getConfiguration("g2");
 
-        IgfsConfiguration g2IgfsCfg1 = new IgfsConfiguration(g1IgfsCfg1);
-        IgfsConfiguration g2IgfsCfg2 = new IgfsConfiguration(g1IgfsCfg2);
+        FileSystemConfiguration g2IgfsCfg1 = new FileSystemConfiguration(g1IgfsCfg1);
+        FileSystemConfiguration g2IgfsCfg2 = new FileSystemConfiguration(g1IgfsCfg2);
 
         g2IgfsCfg1.setName("g2IgfsCfg1");
         g2IgfsCfg2.setName("g2IgfsCfg2");
@@ -346,7 +346,7 @@ public class IgfsProcessorValidationSelfTest extends IgfsCommonAbstractTest {
         g2Cfg.setCacheConfiguration(concat(dataCaches(1024, "g2DataCache1", "g2DataCache2"), metaCaches(),
              CacheConfiguration.class));
 
-        g2Cfg.setIgfsConfiguration(g2IgfsCfg1, g2IgfsCfg2);
+        g2Cfg.setFileSystemConfiguration(g2IgfsCfg1, g2IgfsCfg2);
 
         G.start(g1Cfg);
 
@@ -359,8 +359,8 @@ public class IgfsProcessorValidationSelfTest extends IgfsCommonAbstractTest {
     public void testRemoteIfDataCacheNameDiffers() throws Exception {
         IgniteConfiguration g2Cfg = getConfiguration("g2");
 
-        IgfsConfiguration g2IgfsCfg1 = new IgfsConfiguration(g1IgfsCfg1);
-        IgfsConfiguration g2IgfsCfg2 = new IgfsConfiguration(g1IgfsCfg2);
+        FileSystemConfiguration g2IgfsCfg1 = new FileSystemConfiguration(g1IgfsCfg1);
+        FileSystemConfiguration g2IgfsCfg2 = new FileSystemConfiguration(g1IgfsCfg2);
 
         g2IgfsCfg1.setDataCacheName("g2DataCache1");
         g2IgfsCfg2.setDataCacheName("g2DataCache2");
@@ -369,7 +369,7 @@ public class IgfsProcessorValidationSelfTest extends IgfsCommonAbstractTest {
         g2Cfg.setCacheConfiguration(concat(dataCaches(1024, "g2DataCache1", "g2DataCache2"), metaCaches(),
              CacheConfiguration.class));
 
-        g2Cfg.setIgfsConfiguration(g2IgfsCfg1, g2IgfsCfg2);
+        g2Cfg.setFileSystemConfiguration(g2IgfsCfg1, g2IgfsCfg2);
 
         G.start(g1Cfg);
 
@@ -382,8 +382,8 @@ public class IgfsProcessorValidationSelfTest extends IgfsCommonAbstractTest {
     public void testRemoteIfDataCacheNameEquals() throws Exception {
         IgniteConfiguration g2Cfg = getConfiguration("g2");
 
-        IgfsConfiguration g2IgfsCfg1 = new IgfsConfiguration(g1IgfsCfg1);
-        IgfsConfiguration g2IgfsCfg2 = new IgfsConfiguration(g1IgfsCfg2);
+        FileSystemConfiguration g2IgfsCfg1 = new FileSystemConfiguration(g1IgfsCfg1);
+        FileSystemConfiguration g2IgfsCfg2 = new FileSystemConfiguration(g1IgfsCfg2);
 
         g2IgfsCfg1.setName("g2IgfsCfg1");
         g2IgfsCfg2.setName("g2IgfsCfg2");
@@ -395,7 +395,7 @@ public class IgfsProcessorValidationSelfTest extends IgfsCommonAbstractTest {
         g2Cfg.setCacheConfiguration(concat(dataCaches(1024), metaCaches("g2MetaCache1", "g2MetaCache2"),
              CacheConfiguration.class));
 
-        g2Cfg.setIgfsConfiguration(g2IgfsCfg1, g2IgfsCfg2);
+        g2Cfg.setFileSystemConfiguration(g2IgfsCfg1, g2IgfsCfg2);
 
         G.start(g1Cfg);
 
@@ -408,8 +408,8 @@ public class IgfsProcessorValidationSelfTest extends IgfsCommonAbstractTest {
     public void testRemoteIfDefaultModeDiffers() throws Exception {
         IgniteConfiguration g2Cfg = getConfiguration("g2");
 
-        IgfsConfiguration g2IgfsCfg1 = new IgfsConfiguration(g1IgfsCfg1);
-        IgfsConfiguration g2IgfsCfg2 = new IgfsConfiguration(g1IgfsCfg2);
+        FileSystemConfiguration g2IgfsCfg1 = new FileSystemConfiguration(g1IgfsCfg1);
+        FileSystemConfiguration g2IgfsCfg2 = new FileSystemConfiguration(g1IgfsCfg2);
 
         g1IgfsCfg1.setDefaultMode(DUAL_ASYNC);
         g1IgfsCfg2.setDefaultMode(DUAL_ASYNC);
@@ -420,7 +420,7 @@ public class IgfsProcessorValidationSelfTest extends IgfsCommonAbstractTest {
         g1Cfg.setCacheConfiguration(concat(dataCaches(1024), metaCaches(), CacheConfiguration.class));
         g2Cfg.setCacheConfiguration(concat(dataCaches(1024), metaCaches(), CacheConfiguration.class));
 
-        g2Cfg.setIgfsConfiguration(g2IgfsCfg1, g2IgfsCfg2);
+        g2Cfg.setFileSystemConfiguration(g2IgfsCfg1, g2IgfsCfg2);
 
         G.start(g1Cfg);
 
@@ -433,8 +433,8 @@ public class IgfsProcessorValidationSelfTest extends IgfsCommonAbstractTest {
     public void testRemoteIfPathModeDiffers() throws Exception {
         IgniteConfiguration g2Cfg = getConfiguration("g2");
 
-        IgfsConfiguration g2IgfsCfg1 = new IgfsConfiguration(g1IgfsCfg1);
-        IgfsConfiguration g2IgfsCfg2 = new IgfsConfiguration(g1IgfsCfg2);
+        FileSystemConfiguration g2IgfsCfg1 = new FileSystemConfiguration(g1IgfsCfg1);
+        FileSystemConfiguration g2IgfsCfg2 = new FileSystemConfiguration(g1IgfsCfg2);
 
         g2IgfsCfg1.setPathModes(Collections.singletonMap("/somePath", DUAL_SYNC));
         g2IgfsCfg2.setPathModes(Collections.singletonMap("/somePath", DUAL_SYNC));
@@ -442,7 +442,7 @@ public class IgfsProcessorValidationSelfTest extends IgfsCommonAbstractTest {
         g1Cfg.setCacheConfiguration(concat(dataCaches(1024), metaCaches(), CacheConfiguration.class));
         g2Cfg.setCacheConfiguration(concat(dataCaches(1024), metaCaches(), CacheConfiguration.class));
 
-        g2Cfg.setIgfsConfiguration(g2IgfsCfg1, g2IgfsCfg2);
+        g2Cfg.setFileSystemConfiguration(g2IgfsCfg1, g2IgfsCfg2);
 
         G.start(g1Cfg);
 

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsServerManagerIpcEndpointRegistrationAbstractSelfTest.java
----------------------------------------------------------------------
diff --git a/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsServerManagerIpcEndpointRegistrationAbstractSelfTest.java b/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsServerManagerIpcEndpointRegistrationAbstractSelfTest.java
index ee8e7bd..694d5c3 100644
--- a/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsServerManagerIpcEndpointRegistrationAbstractSelfTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsServerManagerIpcEndpointRegistrationAbstractSelfTest.java
@@ -36,7 +36,7 @@ import java.util.*;
 import java.util.concurrent.atomic.*;
 
 import static org.apache.ignite.cache.CacheAtomicityMode.*;
-import static org.apache.ignite.configuration.IgfsConfiguration.*;
+import static org.apache.ignite.configuration.FileSystemConfiguration.*;
 
 /**
  * Base test class for {@link IgfsServer} checking IPC endpoint registrations.
@@ -58,7 +58,7 @@ public abstract class IgfsServerManagerIpcEndpointRegistrationAbstractSelfTest e
     public void testLoopbackEndpointsRegistration() throws Exception {
         IgniteConfiguration cfg = gridConfiguration();
 
-        cfg.setIgfsConfiguration(
+        cfg.setFileSystemConfiguration(
             igfsConfiguration("tcp", DFLT_IPC_PORT, null)
         );
 
@@ -77,7 +77,7 @@ public abstract class IgfsServerManagerIpcEndpointRegistrationAbstractSelfTest e
     public void testLoopbackEndpointsCustomHostRegistration() throws Exception {
         IgniteConfiguration cfg = gridConfiguration();
 
-        cfg.setIgfsConfiguration(
+        cfg.setFileSystemConfiguration(
             igfsConfiguration("tcp", DFLT_IPC_PORT, "127.0.0.1"),
             igfsConfiguration("tcp", DFLT_IPC_PORT + 1, U.getLocalHost().getHostName()));
 
@@ -154,7 +154,7 @@ public abstract class IgfsServerManagerIpcEndpointRegistrationAbstractSelfTest e
      * @param endPntHost End point host.
      * @return test-purposed IgfsConfiguration.
      */
-    protected IgfsConfiguration igfsConfiguration(@Nullable String endPntType, @Nullable Integer endPntPort,
+    protected FileSystemConfiguration igfsConfiguration(@Nullable String endPntType, @Nullable Integer endPntPort,
         @Nullable String endPntHost) throws IgniteCheckedException {
         HashMap<String, String> endPntCfg = null;
 
@@ -170,7 +170,7 @@ public abstract class IgfsServerManagerIpcEndpointRegistrationAbstractSelfTest e
                 endPntCfg.put("host", endPntHost);
         }
 
-        IgfsConfiguration igfsConfiguration = new IgfsConfiguration();
+        FileSystemConfiguration igfsConfiguration = new FileSystemConfiguration();
 
         igfsConfiguration.setDataCacheName("partitioned");
         igfsConfiguration.setMetaCacheName("replicated");

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsServerManagerIpcEndpointRegistrationOnLinuxAndMacSelfTest.java
----------------------------------------------------------------------
diff --git a/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsServerManagerIpcEndpointRegistrationOnLinuxAndMacSelfTest.java b/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsServerManagerIpcEndpointRegistrationOnLinuxAndMacSelfTest.java
index d7319f4..57f10d9 100644
--- a/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsServerManagerIpcEndpointRegistrationOnLinuxAndMacSelfTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsServerManagerIpcEndpointRegistrationOnLinuxAndMacSelfTest.java
@@ -20,7 +20,7 @@ package org.apache.ignite.internal.processors.igfs;
 import org.apache.ignite.configuration.*;
 import org.apache.ignite.internal.util.typedef.*;
 
-import static org.apache.ignite.configuration.IgfsConfiguration.*;
+import static org.apache.ignite.configuration.FileSystemConfiguration.*;
 
 /**
  * Tests for {@link IgfsServer} that checks all IPC endpoint registration types
@@ -34,7 +34,7 @@ public class IgfsServerManagerIpcEndpointRegistrationOnLinuxAndMacSelfTest
     public void testLoopbackAndShmemEndpointsRegistration() throws Exception {
         IgniteConfiguration cfg = gridConfiguration();
 
-        cfg.setIgfsConfiguration(
+        cfg.setFileSystemConfiguration(
             igfsConfiguration(null, null, null), // Check null IPC endpoint config won't bring any hassles.
             igfsConfiguration("tcp", DFLT_IPC_PORT + 1, null),
             igfsConfiguration("shmem", DFLT_IPC_PORT + 2, null));

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsServerManagerIpcEndpointRegistrationOnWindowsSelfTest.java
----------------------------------------------------------------------
diff --git a/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsServerManagerIpcEndpointRegistrationOnWindowsSelfTest.java b/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsServerManagerIpcEndpointRegistrationOnWindowsSelfTest.java
index 259f31a..4f18aff 100644
--- a/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsServerManagerIpcEndpointRegistrationOnWindowsSelfTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsServerManagerIpcEndpointRegistrationOnWindowsSelfTest.java
@@ -40,7 +40,7 @@ public class IgfsServerManagerIpcEndpointRegistrationOnWindowsSelfTest
             @Override public Object call() throws Exception {
                 IgniteConfiguration cfg = gridConfiguration();
 
-                cfg.setIgfsConfiguration(igfsConfiguration("shmem", IpcSharedMemoryServerEndpoint.DFLT_IPC_PORT,
+                cfg.setFileSystemConfiguration(igfsConfiguration("shmem", IpcSharedMemoryServerEndpoint.DFLT_IPC_PORT,
                     null));
 
                 return G.start(cfg);

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsSizeSelfTest.java
----------------------------------------------------------------------
diff --git a/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsSizeSelfTest.java b/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsSizeSelfTest.java
index b212f02..c62e759 100644
--- a/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsSizeSelfTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsSizeSelfTest.java
@@ -111,7 +111,7 @@ public class IgfsSizeSelfTest extends IgfsCommonAbstractTest {
     @Override protected IgniteConfiguration getConfiguration(String gridName) throws Exception {
         IgniteConfiguration cfg = super.getConfiguration(gridName);
 
-        IgfsConfiguration igfsCfg = new IgfsConfiguration();
+        FileSystemConfiguration igfsCfg = new FileSystemConfiguration();
 
         igfsCfg.setDataCacheName(DATA_CACHE_NAME);
         igfsCfg.setMetaCacheName(META_CACHE_NAME);
@@ -154,7 +154,7 @@ public class IgfsSizeSelfTest extends IgfsCommonAbstractTest {
 
         cfg.setDiscoverySpi(discoSpi);
         cfg.setCacheConfiguration(metaCfg, dataCfg);
-        cfg.setIgfsConfiguration(igfsCfg);
+        cfg.setFileSystemConfiguration(igfsCfg);
 
         return cfg;
     }

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsStreamsSelfTest.java
----------------------------------------------------------------------
diff --git a/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsStreamsSelfTest.java b/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsStreamsSelfTest.java
index 38d4af5..25816c7 100644
--- a/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsStreamsSelfTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsStreamsSelfTest.java
@@ -110,7 +110,7 @@ public class IgfsStreamsSelfTest extends IgfsCommonAbstractTest {
 
         cfg.setDiscoverySpi(discoSpi);
 
-        IgfsConfiguration igfsCfg = new IgfsConfiguration();
+        FileSystemConfiguration igfsCfg = new FileSystemConfiguration();
 
         igfsCfg.setMetaCacheName(META_CACHE_NAME);
         igfsCfg.setDataCacheName(DATA_CACHE_NAME);
@@ -118,7 +118,7 @@ public class IgfsStreamsSelfTest extends IgfsCommonAbstractTest {
         igfsCfg.setBlockSize(CFG_BLOCK_SIZE);
         igfsCfg.setFragmentizerEnabled(true);
 
-        cfg.setIgfsConfiguration(igfsCfg);
+        cfg.setFileSystemConfiguration(igfsCfg);
 
         return cfg;
     }

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsTaskSelfTest.java
----------------------------------------------------------------------
diff --git a/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsTaskSelfTest.java b/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsTaskSelfTest.java
index 2f096d1..d1778df 100644
--- a/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsTaskSelfTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/IgfsTaskSelfTest.java
@@ -97,7 +97,7 @@ public class IgfsTaskSelfTest extends IgfsCommonAbstractTest {
      * @return Grid configuration
      */
     private IgniteConfiguration config(int idx) {
-        IgfsConfiguration igfsCfg = new IgfsConfiguration();
+        FileSystemConfiguration igfsCfg = new FileSystemConfiguration();
 
         igfsCfg.setDataCacheName("dataCache");
         igfsCfg.setMetaCacheName("metaCache");
@@ -133,7 +133,7 @@ public class IgfsTaskSelfTest extends IgfsCommonAbstractTest {
 
         cfg.setDiscoverySpi(discoSpi);
         cfg.setCacheConfiguration(dataCacheCfg, metaCacheCfg);
-        cfg.setIgfsConfiguration(igfsCfg);
+        cfg.setFileSystemConfiguration(igfsCfg);
 
         cfg.setGridName("node-" + idx);
 

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/split/IgfsAbstractRecordResolverSelfTest.java
----------------------------------------------------------------------
diff --git a/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/split/IgfsAbstractRecordResolverSelfTest.java b/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/split/IgfsAbstractRecordResolverSelfTest.java
index e7c819b..487d391 100644
--- a/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/split/IgfsAbstractRecordResolverSelfTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/internal/processors/igfs/split/IgfsAbstractRecordResolverSelfTest.java
@@ -50,7 +50,7 @@ public class IgfsAbstractRecordResolverSelfTest extends GridCommonAbstractTest {
 
     /** {@inheritDoc} */
     @Override protected void beforeTestsStarted() throws Exception {
-        IgfsConfiguration igfsCfg = new IgfsConfiguration();
+        FileSystemConfiguration igfsCfg = new FileSystemConfiguration();
 
         igfsCfg.setDataCacheName("dataCache");
         igfsCfg.setMetaCacheName("metaCache");
@@ -87,7 +87,7 @@ public class IgfsAbstractRecordResolverSelfTest extends GridCommonAbstractTest {
 
         cfg.setDiscoverySpi(discoSpi);
         cfg.setCacheConfiguration(dataCacheCfg, metaCacheCfg);
-        cfg.setIgfsConfiguration(igfsCfg);
+        cfg.setFileSystemConfiguration(igfsCfg);
 
         Ignite g = G.start(cfg);
 

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/core/src/test/java/org/apache/ignite/internal/util/ipc/shmem/IpcSharedMemoryNodeStartup.java
----------------------------------------------------------------------
diff --git a/modules/core/src/test/java/org/apache/ignite/internal/util/ipc/shmem/IpcSharedMemoryNodeStartup.java b/modules/core/src/test/java/org/apache/ignite/internal/util/ipc/shmem/IpcSharedMemoryNodeStartup.java
index 400bbb1..8051a3e 100644
--- a/modules/core/src/test/java/org/apache/ignite/internal/util/ipc/shmem/IpcSharedMemoryNodeStartup.java
+++ b/modules/core/src/test/java/org/apache/ignite/internal/util/ipc/shmem/IpcSharedMemoryNodeStartup.java
@@ -41,7 +41,7 @@ public class IpcSharedMemoryNodeStartup {
     public static void main(String[] args) throws Exception{
         IgniteConfiguration cfg = new IgniteConfiguration();
 
-        IgfsConfiguration igfsCfg = new IgfsConfiguration();
+        FileSystemConfiguration igfsCfg = new FileSystemConfiguration();
 
         TcpDiscoverySpi discoSpi = new TcpDiscoverySpi();
 
@@ -60,7 +60,7 @@ public class IpcSharedMemoryNodeStartup {
         igfsCfg.setMetaCacheName("partitioned");
         igfsCfg.setName("igfs");
 
-        cfg.setIgfsConfiguration(igfsCfg);
+        cfg.setFileSystemConfiguration(igfsCfg);
 
         CacheConfiguration cacheCfg = new CacheConfiguration();
 

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/hadoop/src/main/java/org/apache/ignite/hadoop/fs/IgniteHadoopIgfsSecondaryFileSystem.java
----------------------------------------------------------------------
diff --git a/modules/hadoop/src/main/java/org/apache/ignite/hadoop/fs/IgniteHadoopIgfsSecondaryFileSystem.java b/modules/hadoop/src/main/java/org/apache/ignite/hadoop/fs/IgniteHadoopIgfsSecondaryFileSystem.java
index dfdbe91..d79a2d0 100644
--- a/modules/hadoop/src/main/java/org/apache/ignite/hadoop/fs/IgniteHadoopIgfsSecondaryFileSystem.java
+++ b/modules/hadoop/src/main/java/org/apache/ignite/hadoop/fs/IgniteHadoopIgfsSecondaryFileSystem.java
@@ -103,16 +103,14 @@ public class IgniteHadoopIgfsSecondaryFileSystem implements IgfsSecondaryFileSys
      * @param detailMsg Detailed error message.
      * @return Appropriate exception.
      */
+    @SuppressWarnings({"ThrowableResultOfMethodCallIgnored", "unchecked"})
     private IgfsException handleSecondaryFsError(IOException e, String detailMsg) {
         boolean wrongVer = X.hasCause(e, RemoteException.class) ||
             (e.getMessage() != null && e.getMessage().contains("Failed on local"));
 
-        IgfsException igfsErr = !wrongVer ? cast(detailMsg, e) :
+        return !wrongVer ? cast(detailMsg, e) :
             new IgfsInvalidHdfsVersionException("HDFS version you are connecting to differs from local " +
-                "version.", e);
-
-        return igfsErr;
-    }
+                "version.", e);    }
 
     /**
      * Cast IO exception to IGFS exception.

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/hadoop/src/main/java/org/apache/ignite/hadoop/fs/v1/IgniteHadoopFileSystem.java
----------------------------------------------------------------------
diff --git a/modules/hadoop/src/main/java/org/apache/ignite/hadoop/fs/v1/IgniteHadoopFileSystem.java b/modules/hadoop/src/main/java/org/apache/ignite/hadoop/fs/v1/IgniteHadoopFileSystem.java
index 2ee9b50..f541bce 100644
--- a/modules/hadoop/src/main/java/org/apache/ignite/hadoop/fs/v1/IgniteHadoopFileSystem.java
+++ b/modules/hadoop/src/main/java/org/apache/ignite/hadoop/fs/v1/IgniteHadoopFileSystem.java
@@ -39,7 +39,7 @@ import java.net.*;
 import java.util.*;
 import java.util.concurrent.atomic.*;
 
-import static org.apache.ignite.configuration.IgfsConfiguration.*;
+import static org.apache.ignite.configuration.FileSystemConfiguration.*;
 import static org.apache.ignite.igfs.IgfsMode.*;
 import static org.apache.ignite.internal.processors.hadoop.fs.HadoopParameters.*;
 import static org.apache.ignite.internal.processors.hadoop.igfs.HadoopIgfsUtils.*;
@@ -192,6 +192,7 @@ public class IgniteHadoopFileSystem extends FileSystem {
     }
 
     /** {@inheritDoc} */
+    @SuppressWarnings("ConstantConditions")
     @Override public void initialize(URI name, Configuration cfg) throws IOException {
         enterBusy();
 
@@ -689,6 +690,7 @@ public class IgniteHadoopFileSystem extends FileSystem {
     }
 
     /** {@inheritDoc} */
+    @SuppressWarnings("unchecked")
     @Override public boolean rename(Path src, Path dst) throws IOException {
         A.notNull(src, "src");
         A.notNull(dst, "dst");
@@ -742,6 +744,7 @@ public class IgniteHadoopFileSystem extends FileSystem {
     }
 
     /** {@inheritDoc} */
+    @SuppressWarnings("unchecked")
     @Override public boolean delete(Path f, boolean recursive) throws IOException {
         A.notNull(f, "f");
 
@@ -901,6 +904,7 @@ public class IgniteHadoopFileSystem extends FileSystem {
     }
 
     /** {@inheritDoc} */
+    @SuppressWarnings("unchecked")
     @Override public boolean mkdirs(Path f, FsPermission perm) throws IOException {
         A.notNull(f, "f");
 

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/hadoop/src/main/java/org/apache/ignite/hadoop/fs/v2/IgniteHadoopFileSystem.java
----------------------------------------------------------------------
diff --git a/modules/hadoop/src/main/java/org/apache/ignite/hadoop/fs/v2/IgniteHadoopFileSystem.java b/modules/hadoop/src/main/java/org/apache/ignite/hadoop/fs/v2/IgniteHadoopFileSystem.java
index bcf3029..16d804f 100644
--- a/modules/hadoop/src/main/java/org/apache/ignite/hadoop/fs/v2/IgniteHadoopFileSystem.java
+++ b/modules/hadoop/src/main/java/org/apache/ignite/hadoop/fs/v2/IgniteHadoopFileSystem.java
@@ -39,7 +39,7 @@ import java.net.*;
 import java.util.*;
 import java.util.concurrent.atomic.*;
 
-import static org.apache.ignite.configuration.IgfsConfiguration.*;
+import static org.apache.ignite.configuration.FileSystemConfiguration.*;
 import static org.apache.ignite.igfs.IgfsMode.*;
 import static org.apache.ignite.internal.processors.hadoop.fs.HadoopParameters.*;
 import static org.apache.ignite.internal.processors.hadoop.igfs.HadoopIgfsUtils.*;

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/hadoop/src/main/java/org/apache/ignite/hadoop/mapreduce/IgniteHadoopMapReducePlanner.java
----------------------------------------------------------------------
diff --git a/modules/hadoop/src/main/java/org/apache/ignite/hadoop/mapreduce/IgniteHadoopMapReducePlanner.java b/modules/hadoop/src/main/java/org/apache/ignite/hadoop/mapreduce/IgniteHadoopMapReducePlanner.java
new file mode 100644
index 0000000..9a6b4d8
--- /dev/null
+++ b/modules/hadoop/src/main/java/org/apache/ignite/hadoop/mapreduce/IgniteHadoopMapReducePlanner.java
@@ -0,0 +1,435 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.ignite.hadoop.mapreduce;
+
+import org.apache.ignite.*;
+import org.apache.ignite.cluster.*;
+import org.apache.ignite.igfs.*;
+import org.apache.ignite.internal.*;
+import org.apache.ignite.internal.processors.hadoop.igfs.*;
+import org.apache.ignite.internal.processors.hadoop.planner.*;
+import org.apache.ignite.internal.processors.igfs.*;
+import org.apache.ignite.internal.processors.hadoop.*;
+import org.apache.ignite.internal.util.typedef.*;
+import org.apache.ignite.internal.util.typedef.internal.*;
+import org.apache.ignite.resources.*;
+import org.jetbrains.annotations.*;
+
+import java.util.*;
+
+import static org.apache.ignite.IgniteFileSystem.*;
+
+/**
+ * Default map-reduce planner implementation.
+ */
+public class IgniteHadoopMapReducePlanner implements HadoopMapReducePlanner {
+    /** Injected grid. */
+    @IgniteInstanceResource
+    private Ignite ignite;
+
+    /** Logger. */
+    @SuppressWarnings("UnusedDeclaration")
+    @LoggerResource
+    private IgniteLogger log;
+
+    /** {@inheritDoc} */
+    @Override public HadoopMapReducePlan preparePlan(HadoopJob job, Collection<ClusterNode> top,
+        @Nullable HadoopMapReducePlan oldPlan) throws IgniteCheckedException {
+        // Convert collection of topology nodes to collection of topology node IDs.
+        Collection<UUID> topIds = new HashSet<>(top.size(), 1.0f);
+
+        for (ClusterNode topNode : top)
+            topIds.add(topNode.id());
+
+        Map<UUID, Collection<HadoopInputSplit>> mappers = mappers(top, topIds, job.input());
+
+        int rdcCnt = job.info().reducers();
+
+        if (rdcCnt < 0)
+            throw new IgniteCheckedException("Number of reducers must be non-negative, actual: " + rdcCnt);
+
+        Map<UUID, int[]> reducers = reducers(top, mappers, rdcCnt);
+
+        return new HadoopDefaultMapReducePlan(mappers, reducers);
+    }
+
+    /**
+     * Create plan for mappers.
+     *
+     * @param top Topology nodes.
+     * @param topIds Topology node IDs.
+     * @param splits Splits.
+     * @return Mappers map.
+     * @throws IgniteCheckedException If failed.
+     */
+    private Map<UUID, Collection<HadoopInputSplit>> mappers(Collection<ClusterNode> top, Collection<UUID> topIds,
+        Iterable<HadoopInputSplit> splits) throws IgniteCheckedException {
+        Map<UUID, Collection<HadoopInputSplit>> mappers = new HashMap<>();
+
+        Map<String, Collection<UUID>> nodes = hosts(top);
+
+        Map<UUID, Integer> nodeLoads = new HashMap<>(top.size(), 1.0f); // Track node load.
+
+        for (UUID nodeId : topIds)
+            nodeLoads.put(nodeId, 0);
+
+        for (HadoopInputSplit split : splits) {
+            UUID nodeId = nodeForSplit(split, topIds, nodes, nodeLoads);
+
+            if (log.isDebugEnabled())
+                log.debug("Mapped split to node [split=" + split + ", nodeId=" + nodeId + ']');
+
+            Collection<HadoopInputSplit> nodeSplits = mappers.get(nodeId);
+
+            if (nodeSplits == null) {
+                nodeSplits = new ArrayList<>();
+
+                mappers.put(nodeId, nodeSplits);
+            }
+
+            nodeSplits.add(split);
+
+            // Updated node load.
+            nodeLoads.put(nodeId, nodeLoads.get(nodeId) + 1);
+        }
+
+        return mappers;
+    }
+
+    /**
+     * Groups nodes by host names.
+     *
+     * @param top Topology to group.
+     * @return Map.
+     */
+    private static Map<String, Collection<UUID>> hosts(Collection<ClusterNode> top) {
+        Map<String, Collection<UUID>> grouped = U.newHashMap(top.size());
+
+        for (ClusterNode node : top) {
+            for (String host : node.hostNames()) {
+                Collection<UUID> nodeIds = grouped.get(host);
+
+                if (nodeIds == null) {
+                    // Expecting 1-2 nodes per host.
+                    nodeIds = new ArrayList<>(2);
+
+                    grouped.put(host, nodeIds);
+                }
+
+                nodeIds.add(node.id());
+            }
+        }
+
+        return grouped;
+    }
+
+    /**
+     * Determine the best node for this split.
+     *
+     * @param split Split.
+     * @param topIds Topology node IDs.
+     * @param nodes Nodes.
+     * @param nodeLoads Node load tracker.
+     * @return Node ID.
+     */
+    @SuppressWarnings("unchecked")
+    private UUID nodeForSplit(HadoopInputSplit split, Collection<UUID> topIds, Map<String, Collection<UUID>> nodes,
+        Map<UUID, Integer> nodeLoads) throws IgniteCheckedException {
+        if (split instanceof HadoopFileBlock) {
+            HadoopFileBlock split0 = (HadoopFileBlock)split;
+
+            if (IGFS_SCHEME.equalsIgnoreCase(split0.file().getScheme())) {
+                HadoopIgfsEndpoint endpoint = new HadoopIgfsEndpoint(split0.file().getAuthority());
+
+                IgfsEx igfs = null;
+
+                if (F.eq(ignite.name(), endpoint.grid()))
+                    igfs = (IgfsEx)((IgniteEx)ignite).igfsx(endpoint.igfs());
+
+                if (igfs != null && !igfs.isProxy(split0.file())) {
+                    Collection<IgfsBlockLocation> blocks;
+
+                    try {
+                        blocks = igfs.affinity(new IgfsPath(split0.file()), split0.start(), split0.length());
+                    }
+                    catch (IgniteException e) {
+                        throw new IgniteCheckedException(e);
+                    }
+
+                    assert blocks != null;
+
+                    if (blocks.size() == 1)
+                        // Fast-path, split consists of one IGFS block (as in most cases).
+                        return bestNode(blocks.iterator().next().nodeIds(), topIds, nodeLoads, false);
+                    else {
+                        // Slow-path, file consists of multiple IGFS blocks. First, find the most co-located nodes.
+                        Map<UUID, Long> nodeMap = new HashMap<>();
+
+                        List<UUID> bestNodeIds = null;
+                        long bestLen = -1L;
+
+                        for (IgfsBlockLocation block : blocks) {
+                            for (UUID blockNodeId : block.nodeIds()) {
+                                if (topIds.contains(blockNodeId)) {
+                                    Long oldLen = nodeMap.get(blockNodeId);
+                                    long newLen = oldLen == null ? block.length() : oldLen + block.length();
+
+                                    nodeMap.put(blockNodeId, newLen);
+
+                                    if (bestNodeIds == null || bestLen < newLen) {
+                                        bestNodeIds = new ArrayList<>(1);
+
+                                        bestNodeIds.add(blockNodeId);
+
+                                        bestLen = newLen;
+                                    }
+                                    else if (bestLen == newLen) {
+                                        assert !F.isEmpty(bestNodeIds);
+
+                                        bestNodeIds.add(blockNodeId);
+                                    }
+                                }
+                            }
+                        }
+
+                        if (bestNodeIds != null) {
+                            return bestNodeIds.size() == 1 ? bestNodeIds.get(0) :
+                                bestNode(bestNodeIds, topIds, nodeLoads, true);
+                        }
+                    }
+                }
+            }
+        }
+
+        // Cannot use local IGFS for some reason, try selecting the node by host.
+        Collection<UUID> blockNodes = null;
+
+        for (String host : split.hosts()) {
+            Collection<UUID> hostNodes = nodes.get(host);
+
+            if (!F.isEmpty(hostNodes)) {
+                if (blockNodes == null)
+                    blockNodes = new ArrayList<>(hostNodes);
+                else
+                    blockNodes.addAll(hostNodes);
+            }
+        }
+
+        return bestNode(blockNodes, topIds, nodeLoads, false);
+    }
+
+    /**
+     * Finds the best (the least loaded) node among the candidates.
+     *
+     * @param candidates Candidates.
+     * @param topIds Topology node IDs.
+     * @param nodeLoads Known node loads.
+     * @param skipTopCheck Whether to skip topology check.
+     * @return The best node.
+     */
+    private UUID bestNode(@Nullable Collection<UUID> candidates, Collection<UUID> topIds, Map<UUID, Integer> nodeLoads,
+        boolean skipTopCheck) {
+        UUID bestNode = null;
+        int bestLoad = Integer.MAX_VALUE;
+
+        if (candidates != null) {
+            for (UUID candidate : candidates) {
+                if (skipTopCheck || topIds.contains(candidate)) {
+                    int load = nodeLoads.get(candidate);
+
+                    if (bestNode == null || bestLoad > load) {
+                        bestNode = candidate;
+                        bestLoad = load;
+
+                        if (bestLoad == 0)
+                            break; // Minimum load possible, no need for further iterations.
+                    }
+                }
+            }
+        }
+
+        if (bestNode == null) {
+            // Blocks are located on nodes which are not Hadoop-enabled, assign to the least loaded one.
+            bestLoad = Integer.MAX_VALUE;
+
+            for (UUID nodeId : topIds) {
+                int load = nodeLoads.get(nodeId);
+
+                if (bestNode == null || bestLoad > load) {
+                    bestNode = nodeId;
+                    bestLoad = load;
+
+                    if (bestLoad == 0)
+                        break; // Minimum load possible, no need for further iterations.
+                }
+            }
+        }
+
+        assert bestNode != null;
+
+        return bestNode;
+    }
+
+    /**
+     * Create plan for reducers.
+     *
+     * @param top Topology.
+     * @param mappers Mappers map.
+     * @param reducerCnt Reducers count.
+     * @return Reducers map.
+     */
+    private Map<UUID, int[]> reducers(Collection<ClusterNode> top,
+        Map<UUID, Collection<HadoopInputSplit>> mappers, int reducerCnt) {
+        // Determine initial node weights.
+        int totalWeight = 0;
+
+        List<WeightedNode> nodes = new ArrayList<>(top.size());
+
+        for (ClusterNode node : top) {
+            Collection<HadoopInputSplit> split = mappers.get(node.id());
+
+            int weight = reducerNodeWeight(node, split != null ? split.size() : 0);
+
+            nodes.add(new WeightedNode(node.id(), weight, weight));
+
+            totalWeight += weight;
+        }
+
+        // Adjust weights.
+        int totalAdjustedWeight = 0;
+
+        for (WeightedNode node : nodes) {
+            node.floatWeight = ((float)node.weight * reducerCnt) / totalWeight;
+
+            node.weight = Math.round(node.floatWeight);
+
+            totalAdjustedWeight += node.weight;
+        }
+
+        // Apply redundant/lost reducers.
+        Collections.sort(nodes);
+
+        if (totalAdjustedWeight > reducerCnt) {
+            // Too much reducers set.
+            ListIterator<WeightedNode> iter = nodes.listIterator(nodes.size() - 1);
+
+            while (totalAdjustedWeight != reducerCnt) {
+                if (!iter.hasPrevious())
+                    iter = nodes.listIterator(nodes.size() - 1);
+
+                WeightedNode node = iter.previous();
+
+                if (node.weight > 0) {
+                    node.weight -= 1;
+
+                    totalAdjustedWeight--;
+                }
+            }
+        }
+        else if (totalAdjustedWeight < reducerCnt) {
+            // Not enough reducers set.
+            ListIterator<WeightedNode> iter = nodes.listIterator(0);
+
+            while (totalAdjustedWeight != reducerCnt) {
+                if (!iter.hasNext())
+                    iter = nodes.listIterator(0);
+
+                WeightedNode node = iter.next();
+
+                if (node.floatWeight > 0.0f) {
+                    node.weight += 1;
+
+                    totalAdjustedWeight++;
+                }
+            }
+        }
+
+        int idx = 0;
+
+        Map<UUID, int[]> reducers = new HashMap<>(nodes.size(), 1.0f);
+
+        for (WeightedNode node : nodes) {
+            if (node.weight > 0) {
+                int[] arr = new int[node.weight];
+
+                for (int i = 0; i < arr.length; i++)
+                    arr[i] = idx++;
+
+                reducers.put(node.nodeId, arr);
+            }
+        }
+
+        return reducers;
+    }
+
+    /**
+     * Calculate node weight based on node metrics and data co-location.
+     *
+     * @param node Node.
+     * @param splitCnt Splits mapped to this node.
+     * @return Node weight.
+     */
+    @SuppressWarnings("UnusedParameters")
+    protected int reducerNodeWeight(ClusterNode node, int splitCnt) {
+        return splitCnt;
+    }
+
+    /**
+     * Weighted node.
+     */
+    private static class WeightedNode implements Comparable<WeightedNode> {
+        /** Node ID. */
+        private final UUID nodeId;
+
+        /** Weight. */
+        private int weight;
+
+        /** Floating point weight. */
+        private float floatWeight;
+
+        /**
+         * Constructor.
+         *
+         * @param nodeId Node ID.
+         * @param weight Weight.
+         * @param floatWeight Floating point weight.
+         */
+        private WeightedNode(UUID nodeId, int weight, float floatWeight) {
+            this.nodeId = nodeId;
+            this.weight = weight;
+            this.floatWeight = floatWeight;
+        }
+
+        /** {@inheritDoc} */
+        @Override public boolean equals(Object obj) {
+            return obj != null && obj instanceof WeightedNode && F.eq(nodeId, ((WeightedNode)obj).nodeId);
+        }
+
+        /** {@inheritDoc} */
+        @Override public int hashCode() {
+            return nodeId.hashCode();
+        }
+
+        /** {@inheritDoc} */
+        @Override public int compareTo(@NotNull WeightedNode other) {
+            float res = other.floatWeight - floatWeight;
+
+            return res > 0.0f ? 1 : res < 0.0f ? -1 : nodeId.compareTo(other.nodeId);
+        }
+    }
+}

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/hadoop/src/main/java/org/apache/ignite/hadoop/mapreduce/package.html
----------------------------------------------------------------------
diff --git a/modules/hadoop/src/main/java/org/apache/ignite/hadoop/mapreduce/package.html b/modules/hadoop/src/main/java/org/apache/ignite/hadoop/mapreduce/package.html
index 1802afd..e289841 100644
--- a/modules/hadoop/src/main/java/org/apache/ignite/hadoop/mapreduce/package.html
+++ b/modules/hadoop/src/main/java/org/apache/ignite/hadoop/mapreduce/package.html
@@ -19,6 +19,6 @@
 <html>
 <body>
     <!-- Package description. -->
-    Ignite Hadoop Accelerator map-reduce client protocol provider.
+    Ignite Hadoop Accelerator map-reduce classes.
 </body>
 </html>

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/HadoopProcessor.java
----------------------------------------------------------------------
diff --git a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/HadoopProcessor.java b/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/HadoopProcessor.java
index f17ce66..e0c5916 100644
--- a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/HadoopProcessor.java
+++ b/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/HadoopProcessor.java
@@ -19,10 +19,10 @@ package org.apache.ignite.internal.processors.hadoop;
 
 import org.apache.ignite.*;
 import org.apache.ignite.configuration.*;
+import org.apache.ignite.hadoop.mapreduce.*;
 import org.apache.ignite.internal.*;
 import org.apache.ignite.internal.processors.hadoop.counter.HadoopCounters;
 import org.apache.ignite.internal.processors.hadoop.jobtracker.*;
-import org.apache.ignite.internal.processors.hadoop.planner.*;
 import org.apache.ignite.internal.processors.hadoop.shuffle.*;
 import org.apache.ignite.internal.processors.hadoop.taskexecutor.*;
 import org.apache.ignite.internal.processors.hadoop.taskexecutor.external.*;
@@ -210,7 +210,7 @@ public class HadoopProcessor extends HadoopProcessorAdapter {
      */
     private void initializeDefaults(HadoopConfiguration cfg) {
         if (cfg.getMapReducePlanner() == null)
-            cfg.setMapReducePlanner(new HadoopDefaultMapReducePlanner());
+            cfg.setMapReducePlanner(new IgniteHadoopMapReducePlanner());
     }
 
     /**

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/fs/HadoopDistributedFileSystem.java
----------------------------------------------------------------------
diff --git a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/fs/HadoopDistributedFileSystem.java b/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/fs/HadoopDistributedFileSystem.java
index 88c5899..509f443 100644
--- a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/fs/HadoopDistributedFileSystem.java
+++ b/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/fs/HadoopDistributedFileSystem.java
@@ -25,7 +25,7 @@ import org.apache.hadoop.mapreduce.*;
 import java.io.*;
 import java.net.*;
 
-import static org.apache.ignite.configuration.IgfsConfiguration.*;
+import static org.apache.ignite.configuration.FileSystemConfiguration.*;
 
 /**
  * Wrapper of HDFS for support of separated working directory.

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/fs/HadoopParameters.java
----------------------------------------------------------------------
diff --git a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/fs/HadoopParameters.java b/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/fs/HadoopParameters.java
index 36fabb7..7edcec0 100644
--- a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/fs/HadoopParameters.java
+++ b/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/fs/HadoopParameters.java
@@ -24,7 +24,7 @@ package org.apache.ignite.internal.processors.hadoop.fs;
  * <ul>
  *     <li>
  *         {@code fs.igfs.[name].open.sequential_reads_before_prefetch} - this parameter overrides
- *         the one specified in {@link org.apache.ignite.configuration.IgfsConfiguration#getSequentialReadsBeforePrefetch()}
+ *         the one specified in {@link org.apache.ignite.configuration.FileSystemConfiguration#getSequentialReadsBeforePrefetch()}
  *         IGFS data node configuration property.
  *     </li>
  *     <li>

http://git-wip-us.apache.org/repos/asf/incubator-ignite/blob/8e2a08b9/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/igfs/HadoopIgfsEndpoint.java
----------------------------------------------------------------------
diff --git a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/igfs/HadoopIgfsEndpoint.java b/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/igfs/HadoopIgfsEndpoint.java
index 16c9351..7502f57 100644
--- a/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/igfs/HadoopIgfsEndpoint.java
+++ b/modules/hadoop/src/main/java/org/apache/ignite/internal/processors/hadoop/igfs/HadoopIgfsEndpoint.java
@@ -26,7 +26,7 @@ import org.jetbrains.annotations.*;
 import java.io.*;
 import java.net.*;
 
-import static org.apache.ignite.configuration.IgfsConfiguration.*;
+import static org.apache.ignite.configuration.FileSystemConfiguration.*;
 
 /**
  * IGFS endpoint abstraction.