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| author | Dennis Zhou (Facebook) <dennisszhou@gmail.com> | 2018-09-11 14:41:36 -0400 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-09-21 20:29:18 -0600 |
| commit | b3b9f24f5fcc099c41f7dc1d02350635830888e5 (patch) | |
| tree | f5d5e1a689c0e7ae5d99625a75fd5235c2f21fe8 /tools/perf/scripts/python/call-graph-from-sql.py | |
| parent | blkcg: cleanup and make blk_get_rl use blkg_lookup_create (diff) | |
| download | linux-b3b9f24f5fcc099c41f7dc1d02350635830888e5.tar.gz linux-b3b9f24f5fcc099c41f7dc1d02350635830888e5.zip | |
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>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-sql.py')
0 files changed, 0 insertions, 0 deletions