linux-kernel - [PATCH 2/3] f2fs: fix to update age extent correctly during truncation

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Message-Id: <20230131144701.34418-2-chao@kernel.org>
Date:   Tue, 31 Jan 2023 22:47:00 +0800
From:   Chao Yu <chao@...nel.org>
To:     jaegeuk@...nel.org
Cc:     linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org, Chao Yu <chao@...nel.org>
Subject: [PATCH 2/3] f2fs: fix to update age extent correctly during truncation

nr_free may be less than len, we should update age extent cache
w/ range [fofs, len] rather than [fofs, nr_free].

Fixes: 71644dff4811 ("f2fs: add block_age-based extent cache")
Signed-off-by: Chao Yu <chao@...nel.org>
---
 fs/f2fs/file.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index f4de96a3744b..746ffcd09b6c 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -617,7 +617,7 @@ void f2fs_truncate_data_blocks_range(struct dnode_of_data *dn, int count)
 		fofs = f2fs_start_bidx_of_node(ofs_of_node(dn->node_page),
 							dn->inode) + ofs;
 		f2fs_update_read_extent_cache_range(dn, fofs, 0, len);
-		f2fs_update_age_extent_cache_range(dn, fofs, nr_free);
+		f2fs_update_age_extent_cache_range(dn, fofs, len);
 		dec_valid_block_count(sbi, dn->inode, nr_free);
 	}
 	dn->ofs_in_node = ofs;
-- 
2.36.1