Add ocfs2 to list of fs pool types

* src/conf/storage_conf.c src/conf/storage_conf.h: extend the enums
  and values
* docs/schemas/storagepool.rng: add to the list of storage pool type
  formats

docs/schemas/storagepool.rng

@@ -258,6 +258,7 @@
 	    <value>vfat</value>
 	    <value>hfs+</value>
 	    <value>xfs</value>
+	    <value>ocfs2</value>
 	  </choice>
 	</attribute>
       </element>

src/conf/storage_conf.c

@@ -60,7 +60,7 @@ VIR_ENUM_IMPL(virStoragePoolFormatFileSystem,
               VIR_STORAGE_POOL_FS_LAST,
               "auto", "ext2", "ext3",
               "ext4", "ufs", "iso9660", "udf",
-              "gfs", "gfs2", "vfat", "hfs+", "xfs")
+              "gfs", "gfs2", "vfat", "hfs+", "xfs", "ocfs2")
 
 VIR_ENUM_IMPL(virStoragePoolFormatFileSystemNet,
               VIR_STORAGE_POOL_NETFS_LAST,

src/conf/storage_conf.h

@@ -395,6 +395,7 @@ enum virStoragePoolFormatFileSystem {
     VIR_STORAGE_POOL_FS_VFAT,
     VIR_STORAGE_POOL_FS_HFSPLUS,
     VIR_STORAGE_POOL_FS_XFS,
+    VIR_STORAGE_POOL_FS_OCFS2,
     VIR_STORAGE_POOL_FS_LAST,
 };
 VIR_ENUM_DECL(virStoragePoolFormatFileSystem)