From: Ming Lei <tom.leiming@gmail.com>
To: Jens Axboe <axboe@fb.com>, linux-kernel@vger.kernel.org
Cc: linux-block@vger.kernel.org,
Christoph Hellwig <hch@infradead.org>,
Ming Lei <tom.leiming@gmail.com>, Jarod Wilson <jarod@redhat.com>,
Al Viro <viro@zeniv.linux.org.uk>, Tejun Heo <tj@kernel.org>,
Miklos Szeredi <mszeredi@suse.cz>, NeilBrown <neilb@suse.de>
Subject: [PATCH v1 04/27] block: loop: use bio_get_base_vec() to retrive bvec table
Date: Thu, 14 Apr 2016 20:02:22 +0800 [thread overview]
Message-ID: <1460635375-28282-5-git-send-email-tom.leiming@gmail.com> (raw)
In-Reply-To: <1460635375-28282-1-git-send-email-tom.leiming@gmail.com>
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
---
drivers/block/loop.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 7e5e27a..e2e9dcd 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -477,7 +477,7 @@ static int lo_rw_aio(struct loop_device *lo, struct loop_cmd *cmd,
loff_t pos, bool rw)
{
struct iov_iter iter;
- struct bio_vec *bvec;
+ const struct bio_vec *bvec;
struct bio *bio = cmd->rq->bio;
struct file *file = lo->lo_backing_file;
int ret;
@@ -485,7 +485,8 @@ static int lo_rw_aio(struct loop_device *lo, struct loop_cmd *cmd,
/* nomerge for loop request queue */
WARN_ON(cmd->rq->bio != cmd->rq->biotail);
- bvec = __bvec_iter_bvec(bio->bi_io_vec, bio->bi_iter);
+ /* passed to iterate_bvec() */
+ bvec = bio_get_base_vec(bio);
iov_iter_bvec(&iter, ITER_BVEC | rw, bvec,
bio_segments(bio), blk_rq_bytes(cmd->rq));
--
1.9.1
next prev parent reply other threads:[~2016-04-14 12:12 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-14 12:02 [PATCH v1 00/27] block: cleanup direct access to .bi_vcnt & .bi_io_vec Ming Lei
2016-04-14 12:02 ` [PATCH v1 01/27] block: bio: introduce 3 helpers for cleanup Ming Lei
2016-04-14 12:02 ` [PATCH v1 02/27] block: drbd: use bio_get_base_vec() to retrieve the 1st bvec Ming Lei
2016-04-14 12:02 ` [PATCH v1 03/27] block: drbd: remove impossible failure handling Ming Lei
2016-04-14 12:02 ` Ming Lei [this message]
2016-04-14 12:02 ` [PATCH v1 05/27] block: pktcdvd: use bio_get_base_vec() to retrive bvec table Ming Lei
2016-04-14 12:02 ` [PATCH v1 06/27] block: floppy: use bio_set_vec_table() Ming Lei
2016-04-14 12:02 ` [PATCH v1 07/27] block: floppy: use bio_add_page() Ming Lei
2016-04-14 12:02 ` [PATCH v1 08/27] staging: lustre: avoid to use bio->bi_vcnt directly Ming Lei
2016-04-14 12:02 ` [PATCH v1 09/27] target: avoid to access .bi_vcnt directly Ming Lei
2016-04-14 12:02 ` [PATCH v1 10/27] bcache: debug: avoid to access .bi_io_vec directly Ming Lei
2016-04-14 12:02 ` [PATCH v1 11/27] bcache: io.c: use bio_set_vec_table Ming Lei
2016-04-14 12:02 ` [PATCH v1 12/27] bcache: journal.c: use bio_set_vec_table() Ming Lei
2016-04-14 12:02 ` [PATCH v1 13/27] bcache: movinggc: " Ming Lei
2016-04-14 12:02 ` [PATCH v1 14/27] bcache: writeback: " Ming Lei
2016-04-14 12:02 ` [PATCH v1 15/27] bcache: super: " Ming Lei
2016-04-14 12:02 ` [PATCH v1 16/27] bcache: super: use bio_get_base_vec Ming Lei
2016-04-14 12:02 ` [PATCH v1 17/27] dm: crypt: use bio_add_page() Ming Lei
2016-04-14 12:02 ` [PATCH v1 18/27] dm: dm-io.c: use bio_get_base_vec() Ming Lei
2016-04-14 12:02 ` [PATCH v1 19/27] dm: dm.c: replace 'bio->bi_vcnt == 1' with !bio_multiple_segments Ming Lei
2016-04-14 12:02 ` [PATCH v1 20/27] dm: dm-bufio.c: use bio_set_vec_table() Ming Lei
2016-04-14 12:02 ` [PATCH v1 21/27] fs: logfs: " Ming Lei
2016-04-14 12:02 ` [PATCH v1 22/27] fs: logfs: convert to bio_add_page() in sync_request() Ming Lei
2016-04-14 12:02 ` [PATCH v1 23/27] fs: logfs: use bio_add_page() in __bdev_writeseg() Ming Lei
2016-04-14 12:02 ` [PATCH v1 24/27] fs: logfs: use bio_add_page() in do_erase() Ming Lei
2016-04-14 12:02 ` [PATCH v1 25/27] fs: logfs: remove unnecesary check Ming Lei
2016-04-14 12:02 ` [PATCH v1 26/27] kernel/power/swap.c: use bio_get_base_vec() Ming Lei
2016-04-14 12:02 ` [PATCH v1 27/27] mm: page_io.c: " Ming Lei
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