xfs: add more attribute tree trace points.

Added when debugging recent attribute tree problems to more finely
trace code execution through the maze of twisty passages that makes
up the attr code.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/fs/xfs/xfs_da_btree.c b/fs/xfs/xfs_da_btree.c
index 7bfb7dd334fc..c62e7e6ff50e 100644
--- a/fs/xfs/xfs_da_btree.c
+++ b/fs/xfs/xfs_da_btree.c
@@ -779,6 +779,8 @@ xfs_da_node_toosmall(xfs_da_state_t *state, int *action)
         xfs_dablk_t blkno;
         struct xfs_buf *bp;
 
+        trace_xfs_da_node_toosmall(state->args);
+
         /*
          * Check for the degenerate case of the block being over 50% full.
          * If so, it's not worth even looking to see if we might be able
@@ -900,6 +902,8 @@ xfs_da_fixhashpath(xfs_da_state_t *state, xfs_da_state_path_t *path)
         xfs_dahash_t lasthash=0;
         int level, count;
 
+        trace_xfs_da_fixhashpath(state->args);
+
         level = path->active-1;
         blk = &path->blk[ level ];
         switch (blk->magic) {
@@ -1417,6 +1421,8 @@ xfs_da_path_shift(xfs_da_state_t *state, xfs_da_state_path_t *path,
         xfs_dablk_t blkno=0;
         int level, error;
 
+        trace_xfs_da_path_shift(state->args);
+
         /*
          * Roll up the Btree looking for the first block where our
          * current index is not at the edge of the block.  Note that