linux-kernel - [f2fs-dev][PATCH 2/2] f2fs: truncate pages if move file range success

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Date:   Fri, 23 Jun 2023 00:16:47 +0800
From:   Yunlei He <heyunlei@...o.com>
To:     jaegeuk@...nel.org, chao@...nel.org
Cc:     linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org, Yunlei He <heyunlei@...o.com>
Subject: [f2fs-dev][PATCH 2/2]  f2fs: truncate pages if move file range success

If move file range success, it should remove old data from
src and dst page cache.

Signed-off-by: Yunlei He <heyunlei@...o.com>
---
 fs/f2fs/file.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index e59fc8faa035..4bece7c56656 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -2896,6 +2896,9 @@ static int f2fs_move_file_range(struct file *file_in, loff_t pos_in,
 			f2fs_mark_inode_dirty_sync(dst, false);
 		}
 
+		truncate_pagecache_range(src, pos_in, pos_in + len - 1);
+		truncate_pagecache_range(dst, pos_out, pos_out + len - 1);
+
 		f2fs_update_time(sbi, REQ_TIME);
 	}
 
-- 
2.40.1