From: Ming Lei <tom.leiming@gmail.com>
To: Jens Axboe <axboe@fb.com>, linux-kernel@vger.kernel.org
Cc: Christoph Hellwig <hch@infradead.org>,
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 v1 01/54] block: drbd: comment on direct access bvec table
Date: Tue, 27 Dec 2016 23:55:50 +0800 [thread overview]
Message-ID: <1482854250-13481-2-git-send-email-tom.leiming@gmail.com> (raw)
In-Reply-To: <1482854250-13481-1-git-send-email-tom.leiming@gmail.com>
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
---
drivers/block/drbd/drbd_bitmap.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c
index ab62b81c2ca7..ce9506da30ad 100644
--- a/drivers/block/drbd/drbd_bitmap.c
+++ b/drivers/block/drbd/drbd_bitmap.c
@@ -953,6 +953,7 @@ 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;
+ /* single page bio, safe for multipage bvec */
unsigned int idx = bm_page_to_idx(bio->bi_io_vec[0].bv_page);
if ((ctx->flags & BM_AIO_COPY_PAGES) == 0 &&
--
2.7.4
prev parent reply other threads:[~2016-12-27 16:05 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-27 15:55 [Drbd-dev] [PATCH v1 00/54] block: support multipage bvec Ming Lei
2016-12-27 15:55 ` Ming Lei [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1482854250-13481-2-git-send-email-tom.leiming@gmail.com \
--to=tom.leiming@gmail.com \
--cc=axboe@fb.com \
--cc=drbd-dev@lists.linbit.com \
--cc=hch@infradead.org \
--cc=lars.ellenberg@linbit.com \
--cc=linux-block@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=philipp.reisner@linbit.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox