xfs: remove inst_t

We can simply use a void pointer to pass a long return addresses in the
debugging helpers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c
index 338e50b..74d0e59 100644
--- a/fs/xfs/xfs_error.c
+++ b/fs/xfs/xfs_error.c
@@ -127,7 +127,7 @@
 	struct xfs_mount	*mp,
 	const char		*filename,
 	int			linenum,
-	inst_t			*ra)
+	void			*ra)
 {
 	if (level <= xfs_error_level) {
 		xfs_alert_tag(mp, XFS_PTAG_ERROR_REPORT,
@@ -146,7 +146,7 @@
 	void			*p,
 	const char		*filename,
 	int			linenum,
-	inst_t			*ra)
+	void			*ra)
 {
 	if (level <= xfs_error_level)
 		xfs_hex_dump(p, 64);