linux-kernel - [PATCH 2/3] dm-pcache: reuse meta_addr in pcache_meta_find

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Message-ID: <20251030123323.967081-3-me@linux.beauty>
Date: Thu, 30 Oct 2025 20:33:20 +0800
From: Li Chen <me@...ux.beauty>
To: dm-devel@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Dongsheng Yang <dongsheng.yang@...ux.dev>,
	Zheng Gu <cengku@...il.com>
Subject: [PATCH 2/3] dm-pcache: reuse meta_addr in pcache_meta_find_latest

From: Li Chen <chenl311@...natelecom.cn>

pcache_meta_find_latest() already computes the metadata address as
meta_addr. Reuse that instead of recomputing.

Signed-off-by: Li Chen <chenl311@...natelecom.cn>
---
 drivers/md/dm-pcache/pcache_internal.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/dm-pcache/pcache_internal.h b/drivers/md/dm-pcache/pcache_internal.h
index d427e534727ce..b7a3319d2bd3e 100644
--- a/drivers/md/dm-pcache/pcache_internal.h
+++ b/drivers/md/dm-pcache/pcache_internal.h
@@ -99,7 +99,7 @@ static inline void __must_check *pcache_meta_find_latest(struct pcache_meta_head
 		/* Update latest if a more recent sequence is found */
 		if (!latest || pcache_meta_seq_after(meta->seq, seq_latest)) {
 			seq_latest = meta->seq;
-			latest = (void *)header + (i * meta_max_size);
+			latest = meta_addr;
 		}
 	}
 
-- 
2.51.0