| commit | b3b9f24f5fcc099c41f7dc1d02350635830888e5 | [log] [tgz] |
|---|---|---|
| author | Dennis Zhou (Facebook) <dennisszhou@gmail.com> | Tue Sep 11 14:41:36 2018 -0400 |
| committer | Jens Axboe <axboe@kernel.dk> | Fri Sep 21 20:29:18 2018 -0600 |
| tree | f5d5e1a689c0e7ae5d99625a75fd5235c2f21fe8 | |
| parent | e2b0989954ae7c80609f77e7ce203bea6d2c54e1 [diff] |
blkcg: change blkg reference counting to use percpu_ref Now that every bio is associated with a blkg, this puts the use of blkg_get, blkg_try_get, and blkg_put on the hot path. This switches over the refcnt in blkg to use percpu_ref. Signed-off-by: Dennis Zhou <dennisszhou@gmail.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>