diff options
| author | Wei Yang <richard.weiyang@gmail.com> | 2024-11-16 01:48:05 +0000 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-01-13 22:40:39 -0800 |
| commit | f2760364add9996b8937ae388c8035ea1f242440 (patch) | |
| tree | c758e34d0cb4a7008b60b72c828f758232f30a65 /lib | |
| parent | f5bd418727856b104d6dcb43b144381c31250383 (diff) | |
maple_tree: we don't set offset to MAPLE_NODE_SLOTS on error
When mas_anode_descend() not find gap, it sets -EBUSY instead of setting
offset to MAPLE_NODE_SLOTS.
Link: https://lkml.kernel.org/r/20241116014805.11547-4-richard.weiyang@gmail.com
Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
Reviewed-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/maple_tree.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/lib/maple_tree.c b/lib/maple_tree.c index 3174234d77cb..fe7f9e1f5bbb 100644 --- a/lib/maple_tree.c +++ b/lib/maple_tree.c @@ -5000,8 +5000,8 @@ static inline void mas_awalk(struct ma_state *mas, unsigned long size) * There are 4 options: * go to child (descend) * go back to parent (ascend) - * no gap found. (return, slot == MAPLE_NODE_SLOTS) - * found the gap. (return, slot != MAPLE_NODE_SLOTS) + * no gap found. (return, error == -EBUSY) + * found the gap. (return) */ while (!mas_is_err(mas) && !mas_anode_descend(mas, size)) { if (last == mas->node) @@ -5086,9 +5086,6 @@ int mas_empty_area(struct ma_state *mas, unsigned long min, return xa_err(mas->node); offset = mas->offset; - if (unlikely(offset == MAPLE_NODE_SLOTS)) - return -EBUSY; - node = mas_mn(mas); mt = mte_node_type(mas->node); pivots = ma_pivots(node, mt); |