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-rw-r--r--block/bio.c11
1 files changed, 1 insertions, 10 deletions
diff --git a/block/bio.c b/block/bio.c
index 259197d97de1..c4f87018fb79 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -2004,7 +2004,6 @@ EXPORT_SYMBOL(bioset_create_nobvec);
int bio_associate_current(struct bio *bio)
{
struct io_context *ioc;
- struct cgroup_subsys_state *css;
if (bio->bi_ioc)
return -EBUSY;
@@ -2013,17 +2012,9 @@ int bio_associate_current(struct bio *bio)
if (!ioc)
return -ENOENT;
- /* acquire active ref on @ioc and associate */
get_io_context_active(ioc);
bio->bi_ioc = ioc;
-
- /* associate blkcg if exists */
- rcu_read_lock();
- css = task_css(current, blkio_cgrp_id);
- if (css && css_tryget_online(css))
- bio->bi_css = css;
- rcu_read_unlock();
-
+ bio->bi_css = task_get_css(current, blkio_cgrp_id);
return 0;
}