[PATCH RFC 5/8] ext4: use super write guard in write_mmp_block()

Christian Brauner
2025-11-04T12:12:49Z

Signed-off-by: Christian Brauner <brauner@kernel.org>
---
fs/ext4/mmp.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/fs/ext4/mmp.c b/fs/ext4/mmp.c
index ab1ff51302fb..6f57c181ff77 100644
--- a/fs/ext4/mmp.c
+++ b/fs/ext4/mmp.c
@@ -57,16 +57,12 @@ static int write_mmp_block_thawed(struct super_block *sb,

static int write_mmp_block(struct super_block *sb, struct buffer_head *bh)
{
- int err;
-
/*
* We protect against freezing so that we don't create dirty buffers
* on frozen filesystem.
*/
- sb_start_write(sb);
- err = write_mmp_block_thawed(sb, bh);
- sb_end_write(sb);
- return err;
+ scoped_guard(super_write, sb)
+ return write_mmp_block_thawed(sb, bh);
}

/*

--
2.47.3