From: Matthew Wilcox (Oracle) <[email protected]>
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.
[DH: Changed the patch to use vmf->page rather than variable page which
doesn't exist yet upstream]
Fixes: 1cf7a1518aef ("afs: Implement shared-writeable mmap")
Signed-off-by: Matthew Wilcox (Oracle) <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Signed-off-by: David Howells <[email protected]>
cc: [email protected]
cc: [email protected]
Link: https://lore.kernel.org/r/[email protected]
---
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 c9195fc67fd8..eb737ed63afb 100644
--- a/fs/afs/write.c
+++ b/fs/afs/write.c
@@ -851,8 +851,7 @@ vm_fault_t afs_page_mkwrite(struct vm_fault *vmf)
fscache_wait_on_page_write(vnode->cache, vmf->page);
#endif
- if (PageWriteback(vmf->page) &&
- wait_on_page_bit_killable(vmf->page, PG_writeback) < 0)
+ if (wait_on_page_writeback_killable(vmf->page))
return VM_FAULT_RETRY;
if (lock_page_killable(vmf->page) < 0)
--
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