[XFS] make btree tracing generic

Make the existing bmap btree tracing generic so that it applies to all
btree types.

Some fragments lifted from a patch by Dave Chinner.

SGI-PV: 985583

SGI-Modid: xfs-linux-melb:xfs-kern:32187a

Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: Bill O'Donnell <billodo@sgi.com>
Signed-off-by: David Chinner <david@fromorbit.com>

1 files changed, 19 insertions, 0 deletions

diff --git a/fs/xfs/xfs_btree.h b/fs/xfs/xfs_btree.h
index 57d3bd37526e..0647a0eff0de 100644
--- a/fs/xfs/xfs_btree.h
+++ b/fs/xfs/xfs_btree.h
@@ -182,6 +182,25 @@ do {    \
 struct xfs_btree_ops {
         /* cursor operations */
         struct xfs_btree_cur *(*dup_cursor)(struct xfs_btree_cur *);
+
+        /* btree tracing */
+#ifdef XFS_BTREE_TRACE
+        void            (*trace_enter)(struct xfs_btree_cur *, const char *,
+                                       char *, int, int, __psunsigned_t,
+                                       __psunsigned_t, __psunsigned_t,
+                                       __psunsigned_t, __psunsigned_t,
+                                       __psunsigned_t, __psunsigned_t,
+                                       __psunsigned_t, __psunsigned_t,
+                                       __psunsigned_t, __psunsigned_t);
+        void            (*trace_cursor)(struct xfs_btree_cur *, __uint32_t *,
+                                        __uint64_t *, __uint64_t *);
+        void            (*trace_key)(struct xfs_btree_cur *,
+                                     union xfs_btree_key *, __uint64_t *,
+                                     __uint64_t *);
+        void            (*trace_record)(struct xfs_btree_cur *,
+                                        union xfs_btree_rec *, __uint64_t *,
+                                        __uint64_t *, __uint64_t *);
+#endif
 };
 
 /*