Commit 23e217a8 authored by Sidhartha Kumar's avatar Sidhartha Kumar Committed by Andrew Morton
Browse files

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: default avatarSidhartha Kumar <sidhartha.kumar@oracle.com>
Reviewed-by: default avatarLiam R. Howlett <Liam.Howlett@oracle.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 85db8f24

lib/maple_tree.c

+34 −0
Original line number Diff line number Diff line
@@ -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",