diff mbox

[v1,26/27] kernel/power/swap.c: use bio_get_base_vec()

Message ID 1460635375-28282-27-git-send-email-tom.leiming@gmail.com (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Ming Lei April 14, 2016, 12:02 p.m. UTC 
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
---
 kernel/power/swap.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)
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Patch

diff --git a/kernel/power/swap.c b/kernel/power/swap.c
index 12cd989..cedf752 100644
--- a/kernel/power/swap.c
+++ b/kernel/power/swap.c
@@ -230,7 +230,15 @@  static void hib_init_batch(struct hib_bio_batch *hb)
 static void hib_end_io(struct bio *bio)
 {
 	struct hib_bio_batch *hb = bio->bi_private;
-	struct page *page = bio->bi_io_vec[0].bv_page;
+
+	/*
+	 * Single bvec bio.
+	 *
+	 * For accessing page pointed to by the 1st bvec, it
+	 * works too after multipage bvecs.
+	 */
+	struct bio_vec *bvec = bio_get_base_vec(bio);
+	struct page *page = bvec->bv_page;
 
 	if (bio->bi_error) {
 		printk(KERN_ALERT "Read-error on swap-device (%u:%u:%Lu)\n",