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[18/27] dm: dm-io.c: use bio_get_base_vec()

Message ID 1459858062-21075-4-git-send-email-tom.leiming@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Ming Lei April 5, 2016, 12:07 p.m. UTC 
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
---
 drivers/md/dm-io.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c
index 06d426e..6b0e466 100644
--- a/drivers/md/dm-io.c
+++ b/drivers/md/dm-io.c
@@ -221,7 +221,12 @@  static void bio_dp_init(struct dpages *dp, struct bio *bio)
 {
 	dp->get_page = bio_get_page;
 	dp->next_page = bio_next_page;
-	dp->context_ptr = __bvec_iter_bvec(bio->bi_io_vec, bio->bi_iter);
+
+	/*
+	 * need to fix both bio_get_page() and bio_next_page()
+	 * before multipage bvecs
+	 */
+	dp->context_ptr = bio_get_base_vec(bio);
 	dp->context_u = bio->bi_iter.bi_bvec_done;
 }