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maple_tree: print store type in mas_dump()

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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 <sidhartha.kumar@oracle.com>
Reviewed-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Sidhartha Kumar 2024-08-14 12:19:35 -04:00 committed by Andrew Morton
parent 85db8f2417
commit 23e217a848
1 changed files with 34 additions and 0 deletions
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34
lib/maple_tree.c
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@ -7760,6 +7760,40 @@ void mas_dump(const struct ma_state *mas)
break; 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, pr_err("[%u/%u] index=%lx last=%lx\n", mas->offset, mas->end,
mas->index, mas->last); mas->index, mas->last);
pr_err(" min=%lx max=%lx alloc=%p, depth=%u, flags=%x\n", pr_err(" min=%lx max=%lx alloc=%p, depth=%u, flags=%x\n",