tests: add mke2fs.conf

Add config for mkfs to get more predicatable results
when using mkfs across variety of distributions.

In future maybe use this per all tests as default.
For now user has to specify in a test MKE2FS_CONFIG envvar to use it.

test/Makefile.in

@@ -205,6 +205,7 @@ install: .tests-stamp lib/paths-installed
 	$(INSTALL_DIR) $(DATADIR)/{shell,api,lib,dbus} $(EXECDIR)
 	$(INSTALL_DATA) shell/*.sh $(DATADIR)/shell
 	$(INSTALL_DATA) api/*.sh $(DATADIR)/api
+	$(INSTALL_DATA) lib/mke2fs.conf $(DATADIR)/lib
 	$(INSTALL_PROGRAM) api/*.{t,py} $(DATADIR)/api
 	$(INSTALL_PROGRAM) dbus/*.py $(DATADIR)/dbus/
 	$(INSTALL_DATA) lib/paths-installed $(DATADIR)/lib/paths

test/lib/mke2fs.conf

@@ -0,0 +1,45 @@
+[defaults]
+	base_features = sparse_super,filetype,resize_inode,dir_index,ext_attr
+	enable_periodic_fsck = 1
+	blocksize = 4096
+	inode_size = 256
+	inode_ratio = 16384
+
+[fs_types]
+	ext3 = {
+		features = has_journal
+	}
+	ext4 = {
+		features = has_journal,extent,huge_file,flex_bg,dir_nlink,extra_isize
+		inode_size = 256
+	}
+	ext4dev = {
+		features = has_journal,extent,huge_file,flex_bg,dir_nlink,extra_isize
+		inode_size = 256
+		options = test_fs=1
+	}
+	small = {
+		blocksize = 1024
+		inode_size = 128
+		inode_ratio = 4096
+	}
+	floppy = {
+		blocksize = 1024
+		inode_size = 128
+		inode_ratio = 8192
+	}
+	news = {
+		inode_ratio = 4096
+	}
+	largefile = {
+		inode_ratio = 1048576
+		blocksize = -1
+	}
+	largefile4 = {
+		inode_ratio = 4194304
+		blocksize = -1
+	}
+	hurd = {
+	     blocksize = 4096
+	     inode_size = 128
+	}