diff options
| author | Dennis Zhou (Facebook) <dennisszhou@gmail.com> | 2018-09-11 20:41:37 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-09-22 04:29:19 +0200 |
| commit | 101246ec02b54adf6a77180a01ccbe310add2c32 (patch) | |
| tree | 95c35482f6a6b2c4fca4ab93282fc77b51cc4ca5 /block/blk-cgroup.c | |
| parent | blkcg: change blkg reference counting to use percpu_ref (diff) | |
| download | linux-101246ec02b54adf6a77180a01ccbe310add2c32.tar.xz linux-101246ec02b54adf6a77180a01ccbe310add2c32.zip | |
blkcg: rename blkg_try_get to blkg_tryget
blkg reference counting now uses percpu_ref rather than atomic_t. Let's
make this consistent with css_tryget. This renames blkg_try_get to
blkg_tryget and now returns a bool rather than the blkg or NULL.
Signed-off-by: Dennis Zhou <dennisszhou@gmail.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-cgroup.c')
| -rw-r--r-- | block/blk-cgroup.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index ab3676e1e15e..76136bea7a7f 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -1794,8 +1794,7 @@ void blkcg_maybe_throttle_current(void) blkg = blkg_lookup(blkcg, q); if (!blkg) goto out; - blkg = blkg_try_get(blkg); - if (!blkg) + if (!blkg_tryget(blkg)) goto out; rcu_read_unlock(); |