diff options
author | Sidhartha Kumar <sidhartha.kumar@oracle.com> | 2024-08-14 12:19:30 -0400 |
---|---|---|
committer | Andrew Morton <akpm@linux-foundation.org> | 2024-09-01 20:26:14 -0700 |
commit | 3cc6f42a53f79f8da52b252859145b6bf8dfe12e (patch) | |
tree | 087f9c2097488abe44e850956210e36a41a4602d /lib/maple_tree.c | |
parent | 19138a2cc1ad82b74fb720411a2054db0522be2d (diff) |
maple_tree: move up mas_wr_store_setup() and mas_wr_prealloc_setup()
Subsequent patches require these definitions to be higher, no functional
changes intended.
Link: https://lkml.kernel.org/r/20240814161944.55347-4-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>
Diffstat (limited to 'lib/maple_tree.c')
-rw-r--r-- | lib/maple_tree.c | 96 |
1 files changed, 48 insertions, 48 deletions
diff --git a/lib/maple_tree.c b/lib/maple_tree.c index 407c0be6e42f..de4a91ced8ca 100644 --- a/lib/maple_tree.c +++ b/lib/maple_tree.c @@ -4227,6 +4227,54 @@ static inline void mas_wr_store_entry(struct ma_wr_state *wr_mas) mas_wr_modify(wr_mas); } +static void mas_wr_store_setup(struct ma_wr_state *wr_mas) +{ + if (!mas_is_active(wr_mas->mas)) { + if (mas_is_start(wr_mas->mas)) + return; + + if (unlikely(mas_is_paused(wr_mas->mas))) + goto reset; + + if (unlikely(mas_is_none(wr_mas->mas))) + goto reset; + + if (unlikely(mas_is_overflow(wr_mas->mas))) + goto reset; + + if (unlikely(mas_is_underflow(wr_mas->mas))) + goto reset; + } + + /* + * A less strict version of mas_is_span_wr() where we allow spanning + * writes within this node. This is to stop partial walks in + * mas_prealloc() from being reset. + */ + if (wr_mas->mas->last > wr_mas->mas->max) + goto reset; + + if (wr_mas->entry) + return; + + if (mte_is_leaf(wr_mas->mas->node) && + wr_mas->mas->last == wr_mas->mas->max) + goto reset; + + return; + +reset: + mas_reset(wr_mas->mas); +} + +static inline void mas_wr_prealloc_setup(struct ma_wr_state *wr_mas) +{ + struct ma_state *mas = wr_mas->mas; + + mas_wr_store_setup(wr_mas); + wr_mas->content = mas_start(mas); +} + /** * mas_insert() - Internal call to insert a value * @mas: The maple state @@ -5358,54 +5406,6 @@ static inline void mte_destroy_walk(struct maple_enode *enode, mt_destroy_walk(enode, mt, true); } } - -static void mas_wr_store_setup(struct ma_wr_state *wr_mas) -{ - if (!mas_is_active(wr_mas->mas)) { - if (mas_is_start(wr_mas->mas)) - return; - - if (unlikely(mas_is_paused(wr_mas->mas))) - goto reset; - - if (unlikely(mas_is_none(wr_mas->mas))) - goto reset; - - if (unlikely(mas_is_overflow(wr_mas->mas))) - goto reset; - - if (unlikely(mas_is_underflow(wr_mas->mas))) - goto reset; - } - - /* - * A less strict version of mas_is_span_wr() where we allow spanning - * writes within this node. This is to stop partial walks in - * mas_prealloc() from being reset. - */ - if (wr_mas->mas->last > wr_mas->mas->max) - goto reset; - - if (wr_mas->entry) - return; - - if (mte_is_leaf(wr_mas->mas->node) && - wr_mas->mas->last == wr_mas->mas->max) - goto reset; - - return; - -reset: - mas_reset(wr_mas->mas); -} - -static inline void mas_wr_prealloc_setup(struct ma_wr_state *wr_mas) -{ - struct ma_state *mas = wr_mas->mas; - - mas_wr_store_setup(wr_mas); - wr_mas->content = mas_start(mas); -} /* Interface */ /** |