dm cache: Remove unused btracker_nr_writebacks_queued

Dr. David Alan Gilbert · Mikulas Patocka · commit 2133ebea6b0d · 2024-11-20T11:38:04.000+01:00
btracker_nr_writebacks_queued() has been unused since commit 2e63309 ("dm cache policy smq: don't do any writebacks unless IDLE") Remove it. Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org> Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
diff --git a/drivers/md/dm-cache-background-tracker.c b/drivers/md/dm-cache-background-tracker.c
@@ -143,12 +143,6 @@ 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
@@ -50,7 +50,6 @@ 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);
 
 /*

Original file line number	Diff line number	Diff line change
`@@ -143,12 +143,6 @@ static void update_stats(struct background_tracker b, struct policy_work w, in`
`143`	`143`	`}`
`144`	`144`	`}`
`145`	`145`
`146`		`-unsigned int btracker_nr_writebacks_queued(struct background_tracker *b)`
`147`		`-{`
`148`		`- return atomic_read(&b->pending_writebacks);`
`149`		`-}`
`150`		`-EXPORT_SYMBOL_GPL(btracker_nr_writebacks_queued);`
`151`		`-`
`152`	`146`	`unsigned int btracker_nr_demotions_queued(struct background_tracker *b)`
`153`	`147`	`{`
`154`	`148`	`return atomic_read(&b->pending_demotes);`