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, 18 insertions, 0 deletions

diff --git a/fs/xfs/xfs_attr.c b/fs/xfs/xfs_attr.c
index 0ca1f0be62d2..55bbe98e8f82 100644
--- a/fs/xfs/xfs_attr.c
+++ b/fs/xfs/xfs_attr.c
@@ -1155,6 +1155,8 @@ xfs_attr_leaf_get(xfs_da_args_t *args)
         struct xfs_buf *bp;
         int error;
 
+        trace_xfs_attr_leaf_get(args);
+
         args->blkno = 0;
         error = xfs_da_read_buf(args->trans, args->dp, args->blkno, -1, &bp,
                                              XFS_ATTR_FORK);
@@ -1185,6 +1187,8 @@ xfs_attr_leaf_list(xfs_attr_list_context_t *context)
         int error;
         struct xfs_buf *bp;
 
+        trace_xfs_attr_leaf_list(context);
+
         context->cursor->blkno = 0;
         error = xfs_da_read_buf(NULL, context->dp, 0, -1, &bp, XFS_ATTR_FORK);
         if (error)
@@ -1653,6 +1657,8 @@ xfs_attr_fillstate(xfs_da_state_t *state)
         xfs_da_state_blk_t *blk;
         int level;
 
+        trace_xfs_attr_fillstate(state->args);
+
         /*
          * Roll down the "path" in the state structure, storing the on-disk
          * block number for those buffers in the "path".
@@ -1699,6 +1705,8 @@ xfs_attr_refillstate(xfs_da_state_t *state)
         xfs_da_state_blk_t *blk;
         int level, error;
 
+        trace_xfs_attr_refillstate(state->args);
+
         /*
          * Roll down the "path" in the state structure, storing the on-disk
          * block number for those buffers in the "path".
@@ -1755,6 +1763,8 @@ xfs_attr_node_get(xfs_da_args_t *args)
         int error, retval;
         int i;
 
+        trace_xfs_attr_node_get(args);
+
         state = xfs_da_state_alloc();
         state->args = args;
         state->mp = args->dp->i_mount;
@@ -1804,6 +1814,8 @@ xfs_attr_node_list(xfs_attr_list_context_t *context)
         int error, i;
         struct xfs_buf *bp;
 
+        trace_xfs_attr_node_list(context);
+
         cursor = context->cursor;
         cursor->initted = 1;
 
@@ -1959,6 +1971,8 @@ xfs_attr_rmtval_get(xfs_da_args_t *args)
         int nmap, error, tmp, valuelen, blkcnt, i;
         xfs_dablk_t lblkno;
 
+        trace_xfs_attr_rmtval_get(args);
+
         ASSERT(!(args->flags & ATTR_KERNOVAL));
 
         mp = args->dp->i_mount;
@@ -2014,6 +2028,8 @@ xfs_attr_rmtval_set(xfs_da_args_t *args)
         xfs_dablk_t lblkno;
         int blkcnt, valuelen, nmap, error, tmp, committed;
 
+        trace_xfs_attr_rmtval_set(args);
+
         dp = args->dp;
         mp = dp->i_mount;
         src = args->value;
@@ -2143,6 +2159,8 @@ xfs_attr_rmtval_remove(xfs_da_args_t *args)
         xfs_dablk_t lblkno;
         int valuelen, blkcnt, nmap, error, done, committed;
 
+        trace_xfs_attr_rmtval_remove(args);
+
         mp = args->dp->i_mount;
 
         /*