PM/Hibernate: Rename disk.c to hibernate.c

Change the name of kernel/power/disk.c to kernel/power/hibernate.c
in analogy with the file names introduced by the changes that
separated the suspend to RAM and standby funtionality from the
common PM functions.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Pavel Machek <pavel@ucw.cz>

kernel/power/Makefile

@@ -8,6 +8,6 @@ obj-$(CONFIG_PM_SLEEP)		+= console.o
 obj-$(CONFIG_FREEZER)		+= process.o
 obj-$(CONFIG_SUSPEND)		+= suspend.o
 obj-$(CONFIG_PM_TEST_SUSPEND)	+= suspend_test.o
-obj-$(CONFIG_HIBERNATION)	+= swsusp.o disk.o snapshot.o swap.o user.o
+obj-$(CONFIG_HIBERNATION)	+= swsusp.o hibernate.o snapshot.o swap.o user.o
 
 obj-$(CONFIG_MAGIC_SYSRQ)	+= poweroff.o

kernel/power/disk.c → kernel/power/hibernate.c

 /*
- * kernel/power/disk.c - Suspend-to-disk support.
+ * kernel/power/hibernate.c - Hibernation (a.k.a suspend-to-disk) support.
  *
  * Copyright (c) 2003 Patrick Mochel
  * Copyright (c) 2003 Open Source Development Lab
  * Copyright (c) 2004 Pavel Machek <pavel@suse.cz>
+ * Copyright (c) 2009 Rafael J. Wysocki, Novell Inc.
  *
  * This file is released under the GPLv2.
- *
  */
 
 #include <linux/suspend.h>

kernel/power/power.h

@@ -45,7 +45,7 @@ static inline char *check_image_kernel(struct swsusp_info *info)
  */
 #define SPARE_PAGES	((1024 * 1024) >> PAGE_SHIFT)
 
-/* kernel/power/disk.c */
+/* kernel/power/hibernate.c */
 extern int hibernation_snapshot(int platform_mode);
 extern int hibernation_restore(int platform_mode);
 extern int hibernation_platform_enter(void);
@@ -147,7 +147,7 @@ extern int swsusp_swap_in_use(void);
  */
 #define SF_PLATFORM_MODE	1
 
-/* kernel/power/disk.c */
+/* kernel/power/hibernate.c */
 extern int swsusp_check(void);
 extern void swsusp_free(void);
 extern int swsusp_read(unsigned int *flags_p);