linux-kernel - [PATCH 2/4] f2fs: relocate f2fs_precache_extents() in f2fs_swap

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Date: Mon, 26 Feb 2024 09:32:06 +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 2/4] f2fs: relocate f2fs_precache_extents() in f2fs_swap_activate()

This patch exchangs position of f2fs_precache_extents() and
filemap_fdatawrite(), so that f2fs_precache_extents() can load
extent info after physical addresses of all data are fixed.

Signed-off-by: Chao Yu <chao@...nel.org>
---
 fs/f2fs/data.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 0c728e82d936..bd8674bf1d84 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -4045,12 +4045,12 @@ static int f2fs_swap_activate(struct swap_info_struct *sis, struct file *file,
 	if (!f2fs_disable_compressed_file(inode))
 		return -EINVAL;
 
-	f2fs_precache_extents(inode);
-
 	ret = filemap_fdatawrite(inode->i_mapping);
 	if (ret < 0)
 		return ret;
 
+	f2fs_precache_extents(inode);
+
 	ret = check_swap_activate(sis, file, span);
 	if (ret < 0)
 		return ret;
-- 
2.40.1