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bdi: remove enum wb_congested_state

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enum wb_congested_state and the member 'congested' in bdi_writeback are
useless since commit a88f2096d5 ("remove congestion tracking
framework"), so remove it.

Link: https://lkml.kernel.org/r/20220719083349.87547-1-xiujianfeng@huawei.com
Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: NeilBrown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Xiu Jianfeng 2022-07-19 16:33:49 +08:00 committed by akpm
parent 591c32bddb
commit fa7d574ba4
1 changed files with 0 additions and 7 deletions
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7
include/linux/backing-dev-defs.h
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@ -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 */