[v1,02/27] block: drbd: use bio_get_base_vec() to retrieve the 1st bvec
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Message ID 1460635375-28282-3-git-send-email-tom.leiming@gmail.com
State New
Headers show

Commit Message

Ming Lei April 14, 2016, 12:02 p.m. UTC
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
---
 drivers/block/drbd/drbd_bitmap.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

Patch
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diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c
index 92d6fc0..ccbd1e0 100644
--- a/drivers/block/drbd/drbd_bitmap.c
+++ b/drivers/block/drbd/drbd_bitmap.c
@@ -938,7 +938,9 @@  static void drbd_bm_endio(struct bio *bio)
 	struct drbd_bm_aio_ctx *ctx = bio->bi_private;
 	struct drbd_device *device = ctx->device;
 	struct drbd_bitmap *b = device->bitmap;
-	unsigned int idx = bm_page_to_idx(bio->bi_io_vec[0].bv_page);
+	/* single bvec bio */
+	const struct bio_vec *bvec = bio_get_base_vec(bio);
+	unsigned int idx = bm_page_to_idx(bvec->bv_page);
 
 	if ((ctx->flags & BM_AIO_COPY_PAGES) == 0 &&
 	    !bm_test_page_unchanged(b->bm_pages[idx]))