[PATCH 1/9] dm cache: Remove unused btracker_nr_writebacks_queued

From: linux
Date: Wed Oct 02 2024 - 21:17:52 EST


From: "Dr. David Alan Gilbert" <linux@xxxxxxxxxxx>

btracker_nr_writebacks_queued() has been unused since commit
2e63309507c8 ("dm cache policy smq: don't do any writebacks unless IDLE")

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@xxxxxxxxxxx>
---
drivers/md/dm-cache-background-tracker.c | 6 ------
drivers/md/dm-cache-background-tracker.h | 1 -
2 files changed, 7 deletions(-)

diff --git a/drivers/md/dm-cache-background-tracker.c b/drivers/md/dm-cache-background-tracker.c
index 9c5308298cf1..504299bb7310 100644
--- a/drivers/md/dm-cache-background-tracker.c
+++ b/drivers/md/dm-cache-background-tracker.c
@@ -156,12 +156,6 @@ static void update_stats(struct background_tracker *b, struct policy_work *w, in
}
}

-unsigned int btracker_nr_writebacks_queued(struct background_tracker *b)
-{
- return atomic_read(&b->pending_writebacks);
-}
-EXPORT_SYMBOL_GPL(btracker_nr_writebacks_queued);
-
unsigned int btracker_nr_demotions_queued(struct background_tracker *b)
{
return atomic_read(&b->pending_demotes);
diff --git a/drivers/md/dm-cache-background-tracker.h b/drivers/md/dm-cache-background-tracker.h
index 5b8f5c667b81..7e66ad58efa6 100644
--- a/drivers/md/dm-cache-background-tracker.h
+++ b/drivers/md/dm-cache-background-tracker.h
@@ -42,7 +42,6 @@ struct background_tracker *btracker_create(unsigned int max_work);
*/
void btracker_destroy(struct background_tracker *b);

-unsigned int btracker_nr_writebacks_queued(struct background_tracker *b);
unsigned int btracker_nr_demotions_queued(struct background_tracker *b);

/*
--
2.46.2