blkcg: remove blkio_group->path[]

blkio_group->path[] stores the path of the associated cgroup and is
used only for debug messages.  Just format the path from blkg->cgroup
when printing debug messages.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

1 files changed, 0 insertions, 1 deletions

diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index b1807d4ecedb..63337024e4d7 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -114,7 +114,6 @@ static struct blkio_group *blkg_alloc(struct blkio_cgroup *blkcg,
         INIT_LIST_HEAD(&blkg->q_node);
         blkg->blkcg = blkcg;
         blkg->refcnt = 1;
-        cgroup_path(blkcg->css.cgroup, blkg->path, sizeof(blkg->path));
 
         for (i = 0; i < BLKCG_MAX_POLS; i++) {
                 struct blkio_policy_type *pol = blkio_policy[i];