bcache: cached_dev_free needs to put the sb page
authorLiang Chen <liangchen.linux@gmail.com>
Thu, 23 Jan 2020 17:01:26 +0000 (01:01 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 24 Feb 2020 07:36:56 +0000 (08:36 +0100)
commitf7d8ebf26d239ed7f9cc4b940ff240d78c4b61d1
tree28930a8d65f3adf69c36b377a613b6bb381ba037
parent714cd4a5127a881563038f90c43cffb180990c5d
bcache: cached_dev_free needs to put the sb page

[ Upstream commit e8547d42095e58bee658f00fef8e33d2a185c927 ]

Same as cache device, the buffer page needs to be put while
freeing cached_dev.  Otherwise a page would be leaked every
time a cached_dev is stopped.

Signed-off-by: Liang Chen <liangchen.linux@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Coly Li <colyli@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/md/bcache/super.c