From 0e95551a7074bd9f4b92bd28015ee807c68dae26 Mon Sep 17 00:00:00 2001 From: Sidhartha Kumar Date: Wed, 14 Aug 2024 12:19:35 -0400 Subject: [PATCH] maple_tree: print store type in mas_dump() Knowing the store type of the maple state could be helpful for debugging. Have mas_dump() print mas->store_type. Link: https://lkml.kernel.org/r/20240814161944.55347-9-sidhartha.kumar@oracle.com Signed-off-by: Sidhartha Kumar Reviewed-by: Liam R. Howlett Cc: Matthew Wilcox (Oracle) Cc: Suren Baghdasaryan Signed-off-by: Andrew Morton --- lib/maple_tree.c | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/lib/maple_tree.c b/lib/maple_tree.c index e01e05be6301..a1689fc6227b 100644 --- a/lib/maple_tree.c +++ b/lib/maple_tree.c @@ -7760,6 +7760,40 @@ 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; + } + 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", -- 2.49.0