[PATCH 4/5] writeback: Rename domain_update_bandwidth()

[Jan Kara <jack@xxxxxxx>]

Rename domain_update_bandwidth() to domain_update_dirty_limit(). The
original name is a misnomer. The function has nothing to do with a
bandwidth, it updates dirty limits.

Signed-off-by: Jan Kara <jack@xxxxxxx>
---
 mm/page-writeback.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 6a99ddca95c0..95abae9eecaf 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -1153,8 +1153,8 @@ static void update_dirty_limit(struct dirty_throttle_control *dtc)
 	dom->dirty_limit = limit;
 }
 
-static void domain_update_bandwidth(struct dirty_throttle_control *dtc,
-				    unsigned long now)
+static void domain_update_dirty_limit(struct dirty_throttle_control *dtc,
+				      unsigned long now)
 {
 	struct wb_domain *dom = dtc_dom(dtc);
 
@@ -1351,7 +1351,7 @@ static void __wb_update_bandwidth(struct dirty_throttle_control *gdtc,
 	written = percpu_counter_read(&wb->stat[WB_WRITTEN]);
 
 	if (update_ratelimit) {
-		domain_update_bandwidth(gdtc, now);
+		domain_update_dirty_limit(gdtc, now);
 		wb_update_dirty_ratelimit(gdtc, dirtied, elapsed);
 
 		/*
@@ -1359,7 +1359,7 @@ static void __wb_update_bandwidth(struct dirty_throttle_control *gdtc,
 		 * compiler has no way to figure that out.  Help it.
 		 */
 		if (IS_ENABLED(CONFIG_CGROUP_WRITEBACK) && mdtc) {
-			domain_update_bandwidth(mdtc, now);
+			domain_update_dirty_limit(mdtc, now);
 			wb_update_dirty_ratelimit(mdtc, dirtied, elapsed);
 		}
 	}
-- 
2.26.2