From: Christian Brauner <brauner@kernel.org>
Date: Tue, 4 Nov 2025 12:12:33 +0000 (+0100)
Subject: btrfs: use super write guard in sb_start_write()
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=6e5b78cb17c2a76c8c9f1d0874e377debfacbf88;p=thirdparty%2Flinux.git

btrfs: use super write guard in sb_start_write()

Link: https://patch.msgid.link/20251104-work-guards-v1-4-5108ac78a171@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
---

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 2bec544d8ba3..e3788798528d 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -4660,12 +4660,12 @@ static int balance_kthread(void *data)
 	struct btrfs_fs_info *fs_info = data;
 	int ret = 0;
 
-	sb_start_write(fs_info->sb);
+	guard(super_write)(fs_info->sb);
+
 	mutex_lock(&fs_info->balance_mutex);
 	if (fs_info->balance_ctl)
 		ret = btrfs_balance(fs_info, fs_info->balance_ctl, NULL);
 	mutex_unlock(&fs_info->balance_mutex);
-	sb_end_write(fs_info->sb);
 
 	return ret;
 }