fs: replace remaining __FUNCTION__ occurrences

__FUNCTION__ is gcc-specific, use __func__

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/ntfs/debug.h b/fs/ntfs/debug.h
index 8ac37c3..5e6724c 100644
--- a/fs/ntfs/debug.h
+++ b/fs/ntfs/debug.h
@@ -45,7 +45,7 @@
 extern void __ntfs_debug (const char *file, int line, const char *function,
 	const char *format, ...) __attribute__ ((format (printf, 4, 5)));
 #define ntfs_debug(f, a...)						\
-	__ntfs_debug(__FILE__, __LINE__, __FUNCTION__, f, ##a)
+	__ntfs_debug(__FILE__, __LINE__, __func__, f, ##a)
 
 extern void ntfs_debug_dump_runlist(const runlist_element *rl);
 
@@ -58,10 +58,10 @@
 
 extern void __ntfs_warning(const char *function, const struct super_block *sb,
 		const char *fmt, ...) __attribute__ ((format (printf, 3, 4)));
-#define ntfs_warning(sb, f, a...)	__ntfs_warning(__FUNCTION__, sb, f, ##a)
+#define ntfs_warning(sb, f, a...)	__ntfs_warning(__func__, sb, f, ##a)
 
 extern void __ntfs_error(const char *function, const struct super_block *sb,
 		const char *fmt, ...) __attribute__ ((format (printf, 3, 4)));
-#define ntfs_error(sb, f, a...)		__ntfs_error(__FUNCTION__, sb, f, ##a)
+#define ntfs_error(sb, f, a...)		__ntfs_error(__func__, sb, f, ##a)
 
 #endif /* _LINUX_NTFS_DEBUG_H */