From 6e5b78cb17c2a76c8c9f1d0874e377debfacbf88 Mon Sep 17 00:00:00 2001 From: Christian Brauner Date: Tue, 4 Nov 2025 13:12:33 +0100 Subject: [PATCH] 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 --- fs/btrfs/volumes.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 2bec544d8ba30..e3788798528dc 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; } -- 2.47.3