[RFC PATCH 16/18] mm: set bio iopriority field

[Chaitanya Kulkarni]

Signed-off-by: Chaitanya Kulkarni <chaitanya.kulka...@wdc.com>
---
 mm/page_io.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mm/page_io.c b/mm/page_io.c
index 2e8019d0e048..950cc002f60a 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -24,6 +24,7 @@
 #include <linux/blkdev.h>
 #include <linux/uio.h>
 #include <linux/sched/task.h>
+#include <linux/ioprio.h>
 #include <asm/pgtable.h>
 
 static struct bio *get_swap_bio(gfp_t gfp_flags,
@@ -40,6 +41,7 @@ static struct bio *get_swap_bio(gfp_t gfp_flags,
                bio_set_dev(bio, bdev);
                bio->bi_iter.bi_sector <<= PAGE_SHIFT - 9;
                bio->bi_end_io = end_io;
+               bio_set_prio(bio, get_current_ioprio());
 
                for (i = 0; i < nr; i++)
                        bio_add_page(bio, page + i, PAGE_SIZE, 0);
-- 
2.19.1