linux-kernel - [PATCH 1/5] ext4: replace opencoded ext4_end_io_end() in ext4_put_io

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Message-Id: <20241220060757.1781418-2-libaokun@huaweicloud.com>
Date: Fri, 20 Dec 2024 14:07:53 +0800
From: libaokun@...weicloud.com
To: linux-ext4@...r.kernel.org
Cc: tytso@....edu,
	adilger.kernel@...ger.ca,
	jack@...e.cz,
	linux-kernel@...r.kernel.org,
	yi.zhang@...wei.com,
	yangerkun@...wei.com,
	libaokun@...weicloud.com,
	Baokun Li <libaokun1@...wei.com>
Subject: [PATCH 1/5] ext4: replace opencoded ext4_end_io_end() in ext4_put_io_end()

From: Baokun Li <libaokun1@...wei.com>

This reduces duplicate code and ensures that a “potential data loss”
warning is available if the unwritten conversion fails.

Signed-off-by: Baokun Li <libaokun1@...wei.com>
---
 fs/ext4/page-io.c | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index 69b8a7221a2b..f53b018ea259 100644
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c
@@ -299,18 +299,13 @@ void ext4_put_io_end_defer(ext4_io_end_t *io_end)
 
 int ext4_put_io_end(ext4_io_end_t *io_end)
 {
-	int err = 0;
-
 	if (refcount_dec_and_test(&io_end->count)) {
-		if (io_end->flag & EXT4_IO_END_UNWRITTEN) {
-			err = ext4_convert_unwritten_io_end_vec(io_end->handle,
-								io_end);
-			io_end->handle = NULL;
-			ext4_clear_io_unwritten_flag(io_end);
-		}
+		if (io_end->flag & EXT4_IO_END_UNWRITTEN)
+			return ext4_end_io_end(io_end);
+
 		ext4_release_io_end(io_end);
 	}
-	return err;
+	return 0;
 }
 
 ext4_io_end_t *ext4_get_io_end(ext4_io_end_t *io_end)
-- 
2.46.1