[RFC PATCH cgroup] blkcg: iowg_to_blkg() can be static

[kbuild test robot <lkp@xxxxxxxxx>]

Fixes: 3ddd9fc7fba6 ("blkcg: implement blk-ioweight")
Signed-off-by: kbuild test robot <lkp@xxxxxxxxx>
---
 blk-ioweight.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/block/blk-ioweight.c b/block/blk-ioweight.c
index d10249f..43a6fec 100644
--- a/block/blk-ioweight.c
+++ b/block/blk-ioweight.c
@@ -611,7 +611,7 @@ static struct iow_gq *blkg_to_iowg(struct blkcg_gq *blkg)
 	return pd_to_iowg(blkg_to_pd(blkg, &blkcg_policy_iow));
 }
 
-struct blkcg_gq *iowg_to_blkg(struct iow_gq *iowg)
+static struct blkcg_gq *iowg_to_blkg(struct iow_gq *iowg)
 {
 	return pd_to_blkg(&iowg->pd);
 }
@@ -2229,8 +2229,8 @@ static const match_table_t i_lcoef_tokens = {
 	{ NR_I_LCOEFS,		NULL		},
 };
 
-ssize_t iow_cost_model_write(struct kernfs_open_file *of, char *input,
-			     size_t nbytes, loff_t off)
+static ssize_t iow_cost_model_write(struct kernfs_open_file *of, char *input,
+				    size_t nbytes, loff_t off)
 {
 	struct gendisk *disk;
 	struct iow *iow;