commit 4550240b6a5948e49fa64544b393e24da56e8210
author Jan Kara <jack@suse.cz> Thu Mar 23 01:36:55 2017 +0100
committer Gerrit - the friendly Code Review server <code-review@localhost> Wed Feb 28 00:16:15 2018 -0800
tree 0dfcdd288500c818e104c45cf0406b84d473901d
parent 1448b92692b92d7511bbd12766b3c05a13a9ff0b

bdi: Make wb->bdi a proper reference

Make wb->bdi a proper refcounted reference to bdi for all bdi_writeback
structures except for the one embedded inside struct backing_dev_info.
That will allow us to simplify bdi unregistration.

Change-Id: If9b7e1bd4e1e1f6fcc54d443bc9ec53db3ea7616
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>
Git-commit: 810df54a64fb7841d6511f67818f3e1589c249a2
Git-repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git
Signed-off-by: Ritesh Harjani <riteshh@codeaurora.org>