mm: make __swap_writepage() use bio_set_op_attrs()

Cleaner than manipulating bio->bi_rw flags directly.

Signed-off-by: Jens Axboe <axboe@fb.com>

diff --git a/mm/page_io.c b/mm/page_io.c
index fb1fa26..16bd82f 100644 (file)
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -319,9 +319,10 @@ int __swap_writepage(struct page *page, struct writeback_control *wbc,
                ret = -ENOMEM;
                goto out;
        }
-       bio_set_op_attrs(bio, REQ_OP_WRITE, 0);
        if (wbc->sync_mode == WB_SYNC_ALL)
-               bio->bi_rw |= REQ_SYNC;
+               bio_set_op_attrs(bio, REQ_OP_WRITE, REQ_SYNC);
+       else
+               bio_set_op_attrs(bio, REQ_OP_WRITE, 0);
        count_vm_event(PSWPOUT);
        set_page_writeback(page);
        unlock_page(page);