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maple_tree: use prefetched value in mas_wr_store_type()

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The slot contents exist in wr_mas->content, which has less overhead than
reading the slot again.

Link: https://lore.kernel.org/20260821192627.4085470-9-liam@infradead.org
Signed-off-by: Liam R. Howlett (Oracle) <liam@infradead.org>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Breno Leitao <leitao@debian.org>
Cc: Chris Mason <clm@meta.com>
Cc: Chuck Lever <cel@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Joe Perches <joe@perches.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@surriel.com>
Cc: Waiman Long <longman@redhat.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Liam R. Howlett (Oracle)
2026-08-24 18:43:29 -07:00
committed by Andrew Morton
parent 7d1e343527
commit 4bd59d5bc2
1 changed files with 1 additions and 1 deletions
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lib/maple_tree.c
+1 -1
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@@ -3280,7 +3280,7 @@ static inline void mas_wr_slot_store(struct ma_wr_state *wr_mas)
void __rcu **slots = wr_mas->slots;
bool gap = false;
gap |= !mt_slot_locked(mas->tree, slots, offset);
gap |= !wr_mas->content;
gap |= !mt_slot_locked(mas->tree, slots, offset + 1);
if (wr_mas->offset_end - offset == 1) {