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authorBart Van Assche <bart.vanassche@sandisk.com>2016-09-23 09:07:56 -0700
committerJens Axboe <axboe@fb.com>2016-09-23 11:30:38 -0600
commit55679c8d23d191c24ad133abc5647e3054ca8de1 (patch)
tree22d507af79b6a103eb6ca85556157e4e2f0569a0
parent3932a86b4b9d1f0b049d64d4591ce58ad18b44ec (diff)
blkcg: Annotate blkg_hint correctly
Avoid that sparse complains about blkg_hint manipulations. Fixes: a637120e4902 ("blkcg: use radix tree to index blkgs from blkcg") Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jens Axboe <axboe@fb.com>
-rw-r--r--include/linux/blk-cgroup.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/blk-cgroup.h b/include/linux/blk-cgroup.h
index 10648e300c93..cbdbf34de5b6 100644
--- a/include/linux/blk-cgroup.h
+++ b/include/linux/blk-cgroup.h
@@ -45,7 +45,7 @@ struct blkcg {
spinlock_t lock;
struct radix_tree_root blkg_tree;
- struct blkcg_gq *blkg_hint;
+ struct blkcg_gq __rcu *blkg_hint;
struct hlist_head blkg_list;
struct blkcg_policy_data *cpd[BLKCG_MAX_POLS];