[PATCH v5 03/27] afs: Use wait_on_page_writeback_killable

[Matthew Wilcox (Oracle)]

Open-coding this function meant it missed out on the recent bugfix
for waiters being woken by a delayed wake event from a previous
instantiation of the page.

Signed-off-by: Matthew Wilcox (Oracle) <willy at infradead.org>
---
 fs/afs/write.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/afs/write.c b/fs/afs/write.c
index b2e03de09c24..106a864b6a93 100644
--- a/fs/afs/write.c
+++ b/fs/afs/write.c
@@ -850,8 +850,7 @@ vm_fault_t afs_page_mkwrite(struct vm_fault *vmf)
 		return VM_FAULT_RETRY;
 #endif
 
-	if (PageWriteback(page) &&
-	    wait_on_page_bit_killable(page, PG_writeback) < 0)
+	if (wait_on_page_writeback_killable(page))
 		return VM_FAULT_RETRY;
 
 	if (lock_page_killable(page) < 0)
-- 
2.30.2