Starting glue.

virt/lcd-domains/test-mods/pmfs/Makefile

 
 #---------- PMFS LCD ----------
 
+# Flag to toggle some coditional compilation in the original source code
+# for isolation
+CFLAGS_lcd-test-mod-pmfs-lcd.o  := -DLCD_ISOLATE
+
 # The original code
 obj-$(CONFIG_LCD_TEST_MOD_PMFS_LCD)  += lcd-test-mod-pmfs-lcd.o
 
@@ -17,10 +21,16 @@ lcd-test-mod-pmfs-lcd-y              += $(addprefix pmfs/, bbuild.o \
 							  xip.o \
 							  wprotect.o)
 
+# LCD Main
 lcd-test-mod-pmfs-lcd-y              += $(addprefix lcd/, main.o)
 
+# LIBLCD
 lcd-test-mod-pmfs-lcd-y              += $(LIBLCD)
 
+# Glue
+lcd-test-mod-pmfs-lcd-y              += $(addprefix glue/, vfs_caller.o \
+							   bdi_caller.o)
+
 #---------- BOOT ----------
 
 obj-$(CONFIG_LCD_TEST_MOD_PMFS_BOOT) += lcd-test-mod-pmfs-boot.o

virt/lcd-domains/test-mods/pmfs/glue/bdi_caller.c

+
+#include <linux/backing-dev.h>
+
+int bdi_init(struct backing_dev_info *bdi)
+{
+	return 0;
+}
+
+void bdi_destroy(struct backing_dev_info *bdi)
+{
+	return;
+}
+

virt/lcd-domains/test-mods/pmfs/glue/vfs_caller.c

+
+#include <linux/fs.h>
+
+int register_filesystem(struct file_system_type *)
+{
+	return 0;
+}
+
+int unregister_filesystem(struct file_system_type *)
+{
+	return 0;
+}

virt/lcd-domains/test-mods/pmfs/pmfs/super.c

@@ -1085,6 +1085,8 @@ static int __init init_blocknode_cache(void)
 static int __init init_inodecache(void)
 {
 #ifdef LCD_ISOLATE
+
+#error "It worked!"
 	/*
 	 * Objects in this slab cache pass through an interface boundary
 	 * (struct inode is inside struct pmfs_inode_vfs). Put inside glue 
@@ -1216,7 +1218,10 @@ static const struct export_operations pmfs_export_ops = {
 	.get_parent	= pmfs_get_parent,
 };
 
-static int __init init_pmfs_fs(void)
+#ifndef LCD_ISOLATE
+static 
+#endif
+int __init init_pmfs_fs(void)
 {
 	int rc = 0;
 
@@ -1253,7 +1258,10 @@ out1:
 	return rc;
 }
 
-static void __exit exit_pmfs_fs(void)
+#ifndef LCD_ISOLATE
+static 
+#endif
+void __exit exit_pmfs_fs(void)
 {
 	unregister_filesystem(&pmfs_fs_type);
 	bdi_destroy(&pmfs_backing_dev_info);
@@ -1266,5 +1274,7 @@ MODULE_AUTHOR("Intel Corporation <linux-pmfs@intel.com>");
 MODULE_DESCRIPTION("Persistent Memory File System");
 MODULE_LICENSE("GPL");
 
-/* module_init(init_pmfs_fs) */
-/* module_exit(exit_pmfs_fs) */
+#ifndef LCD_ISOLATE
+module_init(init_pmfs_fs)
+module_exit(exit_pmfs_fs)
+#endif

virt/lcd-domains/test-mods/pmfs/todo.txt

+
+1 - fix inode_init_once to fire every time we alloc an inode