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-rw-r--r--mm/page_io.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/mm/page_io.c b/mm/page_io.c
index 7c59ef681381..0ed0644c73db 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -263,16 +263,18 @@ int __swap_writepage(struct page *page, struct writeback_control *wbc,
.iov_base = kmap(page),
.iov_len = PAGE_SIZE,
};
+ struct iov_iter from;
init_sync_kiocb(&kiocb, swap_file);
kiocb.ki_pos = page_file_offset(page);
kiocb.ki_nbytes = PAGE_SIZE;
+ iov_iter_init(&from, &iov, 1, PAGE_SIZE, 0);
set_page_writeback(page);
unlock_page(page);
ret = mapping->a_ops->direct_IO(KERNEL_WRITE,
- &kiocb, &iov,
- kiocb.ki_pos, 1);
+ &kiocb, &from,
+ kiocb.ki_pos);
kunmap(page);
if (ret == PAGE_SIZE) {
count_vm_event(PSWPOUT);