[PATCH v5 03/27] afs: Use wait_on_page_writeback_killable

From: Matthew Wilcox (Oracle)
Date: Sat Mar 20 2021 - 01:43:00 EST


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@xxxxxxxxxxxxx>
---
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