[XFS] Move the stack trace wrapper into a kernel-version-specific location.

SGI Modid: 2.5.x-xfs:slinx:162317a

fs/xfs/linux/xfs_linux.h

@@ -201,6 +201,11 @@ static inline void set_buffer_unwritten_io(struct buffer_head *bh)
 #define howmany(x, y)	(((x)+((y)-1))/(y))
 #define roundup(x, y)	((((x)+((y)-1))/(y))*(y))
 
+static inline void xfs_stack_trace(void)
+{
+	dump_stack();
+}
+
 /* Move the kernel do_div definition off to one side */
 
 #if defined __i386__

fs/xfs/xfs_error.c

@@ -257,12 +257,6 @@ xfs_cmn_err(int panic_tag, int level, xfs_mount_t *mp, char *fmt, ...)
 	va_end(ap);
 }
 
-void
-xfs_stack_trace(void)
-{
-	dump_stack();
-}
-
 void
 xfs_error_report(
 	char		*tag,