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-rw-r--r--include/linux/suspend.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index 4fcc6fd0cbd6..b960098acfb0 100644
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -466,6 +466,12 @@ static inline bool system_entering_hibernation(void) { return false; }
static inline bool hibernation_available(void) { return false; }
#endif /* CONFIG_HIBERNATION */
+#ifdef CONFIG_HIBERNATION_SNAPSHOT_DEV
+int is_hibernate_resume_dev(const struct inode *);
+#else
+static inline int is_hibernate_resume_dev(const struct inode *i) { return 0; }
+#endif
+
/* Hibernation and suspend events */
#define PM_HIBERNATION_PREPARE 0x0001 /* Going to hibernate */
#define PM_POST_HIBERNATION 0x0002 /* Hibernation finished */