bcache: recal cached_dev_sectors on detach
authorShenghui Wang <shhuiw@foxmail.com>
Mon, 8 Oct 2018 12:41:15 +0000 (20:41 +0800)
committerJens Axboe <axboe@kernel.dk>
Mon, 8 Oct 2018 14:19:50 +0000 (08:19 -0600)
commit46010141da6677b81cc77f9b47f8ac62bd1cbfd3
tree0af7066c93413a5504498ca0010b7705ef4a56b1
parent2d6cb6edd2c7fb4f40998895bda45006281b1ac5
bcache: recal cached_dev_sectors on detach

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 <shhuiw@foxmail.com>
Signed-off-by: Coly Li <colyli@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
drivers/md/bcache/super.c