From: Andrew Morton <akpm@linux-foundation.org>
To: mm-commits@vger.kernel.org, sj@kernel.org,
Liam.Howlett@oracle.com, akpm@linux-foundation.org
Subject: [merged mm-stable] maple_tree-fix-handle-of-invalidated-state-in-mas_wr_store_setup.patch removed from -mm tree
Date: Thu, 09 Feb 2023 16:52:27 -0800 [thread overview]
Message-ID: <20230210005227.9EEDBC4339B@smtp.kernel.org> (raw)
The quilt patch titled
Subject: maple_tree: fix handle of invalidated state in mas_wr_store_setup()
has been removed from the -mm tree. Its filename was
maple_tree-fix-handle-of-invalidated-state-in-mas_wr_store_setup.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: "Liam R. Howlett" <Liam.Howlett@oracle.com>
Subject: maple_tree: fix handle of invalidated state in mas_wr_store_setup()
Date: Fri, 20 Jan 2023 11:26:06 -0500
If an invalidated maple state is encountered during write, reset the maple
state to MAS_START. This will result in a re-walk of the tree to the
correct location for the write.
Link: https://lore.kernel.org/all/20230107020126.1627-1-sj@kernel.org/
Link: https://lkml.kernel.org/r/20230120162650.984577-6-Liam.Howlett@oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Reported-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
lib/maple_tree.c | 3 +++
1 file changed, 3 insertions(+)
--- a/lib/maple_tree.c~maple_tree-fix-handle-of-invalidated-state-in-mas_wr_store_setup
+++ a/lib/maple_tree.c
@@ -5609,6 +5609,9 @@ static inline void mte_destroy_walk(stru
static void mas_wr_store_setup(struct ma_wr_state *wr_mas)
{
+ if (unlikely(mas_is_paused(wr_mas->mas)))
+ mas_reset(wr_mas->mas);
+
if (!mas_is_start(wr_mas->mas)) {
if (mas_is_none(wr_mas->mas)) {
mas_reset(wr_mas->mas);
_
Patches currently in -mm which might be from Liam.Howlett@oracle.com are
reply other threads:[~2023-02-10 0:52 UTC|newest]
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