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filemap: remove unused folio_add_wait_queue

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folio_add_wait_queue() has been unused since 2021's commit 850cba069c
("cachefiles: Delete the cachefiles driver pending rewrite")

Remove it.

Link: https://lkml.kernel.org/r/20241116151446.95555-1-linux@treblig.org
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Vishal Moola (Oracle) <vishal.moola@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Dr. David Alan Gilbert 2024-11-16 15:14:46 +00:00 committed by Andrew Morton
parent c58c4d244e
commit 1168b2bec7
2 changed files with 0 additions and 24 deletions
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5
include/linux/pagemap.h
View File

@ -1280,11 +1280,6 @@ 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.
*/

19
mm/filemap.c
View File

@ -1463,25 +1463,6 @@ 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.