Signed-off-by: Christian Brauner --- fs/btrfs/volumes.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 2bec544d8ba3..4152b0a5537a 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -4660,7 +4660,8 @@ 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); -- 2.47.3