aboutsummaryrefslogtreecommitdiff
path: root/lib/maple_tree.c
diff options
context:
space:
mode:
authorSidhartha Kumar <sidhartha.kumar@oracle.com>2024-08-14 12:19:30 -0400
committerAndrew Morton <akpm@linux-foundation.org>2024-09-01 20:26:14 -0700
commit3cc6f42a53f79f8da52b252859145b6bf8dfe12e (patch)
tree087f9c2097488abe44e850956210e36a41a4602d /lib/maple_tree.c
parent19138a2cc1ad82b74fb720411a2054db0522be2d (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.c96
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 */
/**