From: "Dr. David Alan Gilbert" <linux@xxxxxxxxxxx>
folio_add_wait_queue() has been unused since 2021's
commit 850cba069c26 ("cachefiles: Delete the cachefiles driver pending
rewrite")
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@xxxxxxxxxxx>
---
include/linux/pagemap.h | 5 -----
mm/filemap.c | 19 -------------------
2 files changed, 24 deletions(-)
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 68a5f1ff3301..4650416cbf6c 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -1267,11 +1267,6 @@ void folio_end_private_2(struct folio *folio);
void folio_wait_private_2(struct folio *folio);
int folio_wait_private_2_killable(struct folio *folio);
-/*
- * Add an arbitrary waiter to a page's wait queue
- */
-void folio_add_wait_queue(struct folio *folio, wait_queue_entry_t *waiter);
-
/*
* Fault in userspace address range.
*/
diff --git a/mm/filemap.c b/mm/filemap.c
index 56fa431c52af..b1bdd8ce7f49 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1473,25 +1473,6 @@ static int folio_put_wait_locked(struct folio *folio, int state)
return folio_wait_bit_common(folio, PG_locked, state, DROP);
}
-/**
- * folio_add_wait_queue - Add an arbitrary waiter to a folio's wait queue
- * @folio: Folio defining the wait queue of interest
- * @waiter: Waiter to add to the queue
- *
- * Add an arbitrary @waiter to the wait queue for the nominated @folio.
- */
-void folio_add_wait_queue(struct folio *folio, wait_queue_entry_t *waiter)
-{
- wait_queue_head_t *q = folio_waitqueue(folio);
- unsigned long flags;
-
- spin_lock_irqsave(&q->lock, flags);
- __add_wait_queue_entry_tail(q, waiter);
- folio_set_waiters(folio);
- spin_unlock_irqrestore(&q->lock, flags);
-}
-EXPORT_SYMBOL_GPL(folio_add_wait_queue);
-
/**
* folio_unlock - Unlock a locked folio.
* @folio: The folio.
--
2.47.0
