linux-kernel - [PATCH -next] bdi: remove enum wb_congested

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Date:   Tue, 19 Jul 2022 16:30:11 +0800
From:   Xiu Jianfeng <xiujianfeng@...wei.com>
To:     <akpm@...ux-foundation.org>, <jack@...e.cz>, <neilb@...e.d>
CC:     <linux-kernel@...r.kernel.org>
Subject: [PATCH -next] bdi: remove enum wb_congested_state

enum wb_congested_state and the member 'congested' in bdi_writeback is
useless since commit a88f2096d5a2 ("remove congestion tracking framework"),
so remove it.

Signed-off-by: Xiu Jianfeng <xiujianfeng@...wei.com>
---
 include/linux/backing-dev-defs.h | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/include/linux/backing-dev-defs.h b/include/linux/backing-dev-defs.h
index e863c88df95f..ae12696ec492 100644
--- a/include/linux/backing-dev-defs.h
+++ b/include/linux/backing-dev-defs.h
@@ -28,11 +28,6 @@ enum wb_state {
 	WB_start_all,		/* nr_pages == 0 (all) work pending */
 };
 
-enum wb_congested_state {
-	WB_async_congested,	/* The async (write) queue is getting full */
-	WB_sync_congested,	/* The sync queue is getting full */
-};
-
 enum wb_stat_item {
 	WB_RECLAIMABLE,
 	WB_WRITEBACK,
@@ -122,8 +117,6 @@ struct bdi_writeback {
 	atomic_t writeback_inodes;	/* number of inodes under writeback */
 	struct percpu_counter stat[NR_WB_STAT_ITEMS];
 
-	unsigned long congested;	/* WB_[a]sync_congested flags */
-
 	unsigned long bw_time_stamp;	/* last time write bw is updated */
 	unsigned long dirtied_stamp;
 	unsigned long written_stamp;	/* pages written at bw_time_stamp */
-- 
2.17.1