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-rw-r--r--kernel/trace/blktrace.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 2868d85f1fb1..fac0ddf8a8e2 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -764,9 +764,9 @@ blk_trace_bio_get_cgid(struct request_queue *q, struct bio *bio)
if (!bt || !(blk_tracer_flags.val & TRACE_BLK_OPT_CGROUP))
return NULL;
- if (!bio->bi_css)
+ if (!bio->bi_blkg)
return NULL;
- return cgroup_get_kernfs_id(bio->bi_css->cgroup);
+ return cgroup_get_kernfs_id(bio_blkcg(bio)->css.cgroup);
}
#else
static union kernfs_node_id *