From 04d38fa8436b8e6df1c5d35709d3cae4485d66a9 Mon Sep 17 00:00:00 2001 From: Shenghui Wang Date: Mon, 8 Oct 2018 20:41:15 +0800 Subject: [PATCH] bcache: recal cached_dev_sectors on detach [ Upstream commit 46010141da6677b81cc77f9b47f8ac62bd1cbfd3 ] Recal cached_dev_sectors on cached_dev detached, as recal done on cached_dev attached. Update the cached_dev_sectors before bcache_device_detach called as bcache_device_detach will set bcache_device->c to NULL. Signed-off-by: Shenghui Wang Signed-off-by: Coly Li Signed-off-by: Jens Axboe Signed-off-by: Sasha Levin --- drivers/md/bcache/super.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index c4da2fe623e9..4998b4cae9c1 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -1009,6 +1009,7 @@ static void cached_dev_detach_finish(struct work_struct *w) bch_write_bdev_super(dc, &cl); closure_sync(&cl); + calc_cached_dev_sectors(dc->disk.c); bcache_device_detach(&dc->disk); list_move(&dc->list, &uncached_devices); -- GitLab