Re: [PATCH v2 08/16] maple_tree: print store type in mas_dump()
From: Liam R. Howlett
Date: Thu Jun 13 2024 - 10:29:51 EST
* Sidhartha Kumar <sidhartha.kumar@xxxxxxxxxx> [240607 14:53]:
> Knowing the store type of the maple state could be helpful for debugging.
> Have mas_dump() print mas->store_type.
>
> Signed-off-by: Sidhartha Kumar <sidhartha.kumar@xxxxxxxxxx>
> ---
> lib/maple_tree.c | 39 +++++++++++++++++++++++++++++++++++++++
> 1 file changed, 39 insertions(+)
>
> diff --git a/lib/maple_tree.c b/lib/maple_tree.c
> index a955316b6745..91b18eef81e1 100644
> --- a/lib/maple_tree.c
> +++ b/lib/maple_tree.c
> @@ -7731,6 +7731,45 @@ void mas_dump(const struct ma_state *mas)
> break;
> }
>
> + pr_err("Store Type: ");
> + switch (mas->store_type) {
> + case wr_invalid:
> + pr_err("invalid store type\n");
> + break;
> + case wr_new_root:
> + pr_err("new_root\n");
> + break;
> + case wr_store_root:
> + pr_err("store_root\n");
> + break;
> + case wr_exact_fit:
> + pr_err("exact_fit\n");
> + break;
> + case wr_split_store:
> + pr_err("split_store\n");
> + break;
> + case wr_slot_store:
> + pr_err("slot_store\n");
> + break;
> + case wr_append:
> + pr_err("append\n");
> + break;
> + case wr_node_store:
> + pr_err("node_store\n");
> + break;
> + case wr_spanning_store:
> + pr_err("spanning_store\n");
> + break;
> + case wr_rebalance:
> + pr_err("rebalance\n");
> + break;
> + case wr_bnode:
> + pr_err("write_bnode\n");
> + break;
> +
> + }
> +
> +
There is an extra new line here
> pr_err("[%u/%u] index=%lx last=%lx\n", mas->offset, mas->end,
> mas->index, mas->last);
> pr_err(" min=%lx max=%lx alloc=%p, depth=%u, flags=%x\n",
> --
> 2.45.2
>