From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Ming Lei To: Jens Axboe , linux-kernel@vger.kernel.org Cc: linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, Christoph Hellwig , "Kirill A . Shutemov" , Ming Lei , Jiri Kosina Subject: [PATCH 16/60] block: pktcdvd: comment on direct access to bvec table Date: Sat, 29 Oct 2016 16:08:15 +0800 Message-Id: <1477728600-12938-17-git-send-email-tom.leiming@gmail.com> In-Reply-To: <1477728600-12938-1-git-send-email-tom.leiming@gmail.com> References: <1477728600-12938-1-git-send-email-tom.leiming@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: Signed-off-by: Ming Lei --- drivers/block/pktcdvd.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 90fa4ac149db..817d2cc17d01 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -1298,6 +1298,11 @@ static int pkt_handle_queue(struct pktcdvd_device *pd) static void pkt_start_write(struct pktcdvd_device *pd, struct packet_data *pkt) { int f; + + /* + * Need to fix this usage for supporting multipage bvecs, + * because the table can be changed in pkt_make_local_copy(). + */ struct bio_vec *bvec = pkt->w_bio->bi_io_vec; bio_reset(pkt->w_bio); -- 2.7.4