From: Ming Lei <tom.leiming@gmail.com>
To: Jens Axboe <axboe@fb.com>, linux-kernel@vger.kernel.org
Cc: Christoph Hellwig <hch@infradead.org>,
Boaz Harrosh <boaz@plexistor.com>,
Ming Lei <tom.leiming@gmail.com>,
Philipp Reisner <philipp.reisner@linbit.com>,
linux-block@vger.kernel.org,
Lars Ellenberg <lars.ellenberg@linbit.com>,
"open list:DRBD DRIVER" <drbd-dev@lists.linbit.com>
Subject: [Drbd-dev] [PATCH 02/27] block: drbd: use bio_get_base_vec() to retrieve the 1st bvec
Date: Tue, 5 Apr 2016 19:56:47 +0800 [thread overview]
Message-ID: <1459857443-20611-3-git-send-email-tom.leiming@gmail.com> (raw)
In-Reply-To: <1459857443-20611-1-git-send-email-tom.leiming@gmail.com>
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
---
drivers/block/drbd/drbd_bitmap.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
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]))
--
1.9.1
next prev parent reply other threads:[~2016-04-05 12:52 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-05 11:56 [Drbd-dev] [PATCH 00/27] block: cleanup direct access on .bi_vcnt & .bi_io_vec Ming Lei
2016-04-05 11:56 ` Ming Lei [this message]
2016-04-05 11:56 ` [Drbd-dev] [PATCH 03/27] block: drbd: remove impossible failure handling Ming Lei
2016-04-05 12:42 ` Lars Ellenberg
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