From: Sidhartha Kumar <sidhartha.kumar@oracle.com>
To: linux-kernel@vger.kernel.org, maple-tree@lists.infradead.org
Cc: linux-mm@kvack.org, akpm@linux-foundation.org,
liam.howlett@oracle.com, zhangpeng.00@bytedance.com,
willy@infradead.org, Sidhartha Kumar <sidhartha.kumar@oracle.com>
Subject: [PATCH 03/18] maple_tree: move up mas_wr_store_setup() and mas_wr_prealloc_setup()
Date: Tue, 4 Jun 2024 10:41:30 -0700 [thread overview]
Message-ID: <20240604174145.563900-4-sidhartha.kumar@oracle.com> (raw)
In-Reply-To: <20240604174145.563900-1-sidhartha.kumar@oracle.com>
Subsequent patches require these definitions to be higher, no functional
changes intended.
Signed-off-by: Sidhartha Kumar <sidhartha.kumar@oracle.com>
---
lib/maple_tree.c | 96 ++++++++++++++++++++++++------------------------
1 file changed, 48 insertions(+), 48 deletions(-)
diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index ccbec0f66562..2558d15bb748 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -4230,6 +4230,54 @@ static inline void *mas_wr_store_entry(struct ma_wr_state *wr_mas)
return wr_mas->content;
}
+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
@@ -5361,54 +5409,6 @@ 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 */
/**
--
2.45.1
next prev parent reply other threads:[~2024-06-04 17:42 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-04 17:41 [PATCH 00/18] Introduce a store type enum for the Maple tree Sidhartha Kumar
2024-06-04 17:41 ` [PATCH 01/18] maple_tree: introduce store_type enum Sidhartha Kumar
2024-06-04 17:41 ` [PATCH 02/18] maple_tree: introduce mas_wr_prealloc_setup() Sidhartha Kumar
2024-06-04 17:41 ` Sidhartha Kumar [this message]
2024-06-04 17:41 ` [PATCH 04/18] maple_tree: introduce mas_wr_store_type() Sidhartha Kumar
2024-06-04 19:07 ` Liam R. Howlett
2024-06-06 2:15 ` Sidhartha Kumar
2024-06-04 21:09 ` kernel test robot
2024-06-04 17:41 ` [PATCH 05/18] maple_tree: set store type in mas_store_prealloc() Sidhartha Kumar
2024-06-04 19:27 ` Liam R. Howlett
2024-06-04 17:41 ` [PATCH 06/18] maple_tree: remove mas_destroy() from mas_nomem() Sidhartha Kumar
2024-06-04 19:21 ` Liam R. Howlett
2024-06-04 17:41 ` [PATCH 07/18] maple_tree: use mas_store_gfp() in mas_erase() Sidhartha Kumar
2024-06-04 17:41 ` [PATCH 08/18] maple_tree: set write store type in mas_store() Sidhartha Kumar
2024-06-04 17:41 ` [PATCH 09/18] maple_tree: use mas_store_gfp() in mtree_store_range() Sidhartha Kumar
2024-06-04 19:24 ` Liam R. Howlett
2024-06-04 17:41 ` [PATCH 10/18] maple_tree: print store type in mas_dump() Sidhartha Kumar
2024-06-04 17:41 ` [PATCH 11/18] maple_tree: use store type in mas_wr_store_entry() Sidhartha Kumar
2024-06-04 22:02 ` kernel test robot
2024-06-04 17:41 ` [PATCH 12/18] maple_tree: convert mas_insert() to preallocate nodes Sidhartha Kumar
2024-06-04 22:44 ` kernel test robot
2024-06-04 17:41 ` [PATCH 13/18] maple_tree: simplify mas_commit_b_node() Sidhartha Kumar
2024-06-04 19:34 ` Liam R. Howlett
2024-06-26 10:40 ` Mateusz Guzik
2024-06-26 17:28 ` Andrew Morton
2024-06-26 17:45 ` Sidhartha Kumar
2024-06-26 18:29 ` Mateusz Guzik
2024-06-04 17:41 ` [PATCH 14/18] maple_tree: remove mas_wr_modify() Sidhartha Kumar
2024-06-04 17:41 ` [PATCH 15/18] maple_tree: have mas_store() allocate nodes if needed Sidhartha Kumar
2024-06-04 17:41 ` [PATCH 16/18] maple_tree: remove node allocations from various write helper functions Sidhartha Kumar
2024-06-04 17:41 ` [PATCH 17/18] maple_tree: remove repeated sanity checks from mas_wr_append() Sidhartha Kumar
2024-06-04 17:41 ` [PATCH 18/18] maple_tree: remove unneeded mas_wr_walk() in mas_store_prealloc() Sidhartha Kumar
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