staging: erofs: introduce superblock registration

In order to introducing shrinker solution for erofs,
let's manage all mounted erofs instances at first.

Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Gao Xiang 2018-07-26 20:22:03 +08:00 • committed by Greg Kroah-Hartman
commit 2497ee4129
3 changed files with 27 additions and 0 deletions