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Subject[PATCH 2/4] writeback: remove {set,clear}_wb_congested
Date
Just merge them into their only callers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
include/linux/backing-dev-defs.h | 14 ++------------
mm/backing-dev.c | 12 ++++++------
2 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/include/linux/backing-dev-defs.h b/include/linux/backing-dev-defs.h
index 90a7e844a098f3..cc5aa1f32b91f0 100644
--- a/include/linux/backing-dev-defs.h
+++ b/include/linux/backing-dev-defs.h
@@ -232,18 +232,8 @@ enum {
BLK_RW_SYNC = 1,
};

-void clear_wb_congested(struct bdi_writeback_congested *congested, int sync);
-void set_wb_congested(struct bdi_writeback_congested *congested, int sync);
-
-static inline void clear_bdi_congested(struct backing_dev_info *bdi, int sync)
-{
- clear_wb_congested(bdi->wb.congested, sync);
-}
-
-static inline void set_bdi_congested(struct backing_dev_info *bdi, int sync)
-{
- set_wb_congested(bdi->wb.congested, sync);
-}
+void clear_bdi_congested(struct backing_dev_info *bdi, int sync);
+void set_bdi_congested(struct backing_dev_info *bdi, int sync);

struct wb_lock_cookie {
bool locked;
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index d382272bcc3100..3ebe5144a102f2 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -1047,29 +1047,29 @@ static wait_queue_head_t congestion_wqh[2] = {
};
static atomic_t nr_wb_congested[2];

-void clear_wb_congested(struct bdi_writeback_congested *congested, int sync)
+void clear_bdi_congested(struct backing_dev_info *bdi, int sync)
{
wait_queue_head_t *wqh = &congestion_wqh[sync];
enum wb_congested_state bit;

bit = sync ? WB_sync_congested : WB_async_congested;
- if (test_and_clear_bit(bit, &congested->state))
+ if (test_and_clear_bit(bit, &bdi->wb.congested->state))
atomic_dec(&nr_wb_congested[sync]);
smp_mb__after_atomic();
if (waitqueue_active(wqh))
wake_up(wqh);
}
-EXPORT_SYMBOL(clear_wb_congested);
+EXPORT_SYMBOL(clear_bdi_congested);

-void set_wb_congested(struct bdi_writeback_congested *congested, int sync)
+void set_bdi_congested(struct backing_dev_info *bdi, int sync)
{
enum wb_congested_state bit;

bit = sync ? WB_sync_congested : WB_async_congested;
- if (!test_and_set_bit(bit, &congested->state))
+ if (!test_and_set_bit(bit, &bdi->wb.congested->state))
atomic_inc(&nr_wb_congested[sync]);
}
-EXPORT_SYMBOL(set_wb_congested);
+EXPORT_SYMBOL(set_bdi_congested);

/**
* congestion_wait - wait for a backing_dev to become uncongested
--
2.26.2
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