From: Kent Overstreet <koverstreet@google.com>
To: Jim Paris <jim@jtan.com>
Cc: linux-bcache@vger.kernel.org, linux-kernel@vger.kernel.org,
dm-devel@redhat.com, tj@kernel.org, axboe@kernel.dk,
neilb@suse.de, vgoyal@redhat.com,
"Ed L. Cashin" <ecashin@coraid.com>,
Nick Piggin <npiggin@kernel.dk>, Jiri Kosina <jkosina@suse.cz>,
Geoff Levand <geoff@infradead.org>,
Alasdair Kergon <agk@redhat.com>,
Steven Rostedt <rostedt@goodmis.org>
Subject: Re: [PATCH v3 07/26] block: Use bio_sectors() more consistently
Date: Mon, 24 Sep 2012 16:09:45 -0700 [thread overview]
Message-ID: <20120924230945.GB27689@google.com> (raw)
In-Reply-To: <20120924230449.GA2040@psychosis.jim.sh>
On Mon, Sep 24, 2012 at 07:04:50PM -0400, Jim Paris wrote:
> Kent Overstreet wrote:
> > Bunch of places in the code weren't using it where they could be -
> > this'll reduce the size of the patch that puts bi_sector/bi_size/bi_idx
> > into a struct bvec_iter.
> >
> > Signed-off-by: Kent Overstreet <koverstreet@google.com>
> > CC: Jens Axboe <axboe@kernel.dk>
> > CC: "Ed L. Cashin" <ecashin@coraid.com>
> > CC: Nick Piggin <npiggin@kernel.dk>
> > CC: Jiri Kosina <jkosina@suse.cz>
> > CC: Jim Paris <jim@jtan.com>
> > CC: Geoff Levand <geoff@infradead.org>
> > CC: Alasdair Kergon <agk@redhat.com>
> > CC: dm-devel@redhat.com
> > CC: Neil Brown <neilb@suse.de>
> > CC: Steven Rostedt <rostedt@goodmis.org>
> > ---
> > drivers/block/aoe/aoecmd.c | 2 +-
> > drivers/block/brd.c | 3 +--
> > drivers/block/pktcdvd.c | 2 +-
> > drivers/block/ps3vram.c | 2 +-
> > drivers/md/dm-raid1.c | 2 +-
> > drivers/md/raid0.c | 6 +++---
> > drivers/md/raid1.c | 17 ++++++++---------
> > drivers/md/raid10.c | 24 +++++++++++-------------
> > drivers/md/raid5.c | 8 ++++----
> > include/trace/events/block.h | 10 +++++-----
> > 10 files changed, 36 insertions(+), 40 deletions(-)
> ...
> > diff --git a/drivers/block/ps3vram.c b/drivers/block/ps3vram.c
> > index f58cdcf..1ff38e8 100644
> > --- a/drivers/block/ps3vram.c
> > +++ b/drivers/block/ps3vram.c
> > @@ -553,7 +553,7 @@ static struct bio *ps3vram_do_bio(struct ps3_system_bus_device *dev,
> > struct ps3vram_priv *priv = ps3_system_bus_get_drvdata(dev);
> > int write = bio_data_dir(bio) == WRITE;
> > const char *op = write ? "write" : "read";
> > - loff_t offset = bio->bi_sector << 9;
> > + loff_t offset = bio_sectors(bio);
>
> This doesn't look right to me: bio_sectors(bio) is (bio->bi_size>>9),
> not (bio->bi_sector<<9~)?
Whoops, you're right - that's completely wrong. Thanks.
next prev parent reply other threads:[~2012-09-24 23:09 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-24 22:34 [PATCH v3 00/26] Prep work for immutable bio vecs Kent Overstreet
2012-09-24 22:34 ` [PATCH v3 01/26] block: Fix a buffer overrun in bio_integrity_split() Kent Overstreet
2012-10-01 21:23 ` [dm-devel] " Vivek Goyal
2012-10-01 21:36 ` Kent Overstreet
2012-10-01 21:42 ` Kent Overstreet
2012-10-02 14:08 ` Vivek Goyal
2012-10-02 20:26 ` Kent Overstreet
2012-10-02 20:32 ` Vivek Goyal
2012-10-02 21:01 ` Kent Overstreet
2012-10-02 21:58 ` Vivek Goyal
2012-10-02 22:07 ` Kent Overstreet
2012-10-02 22:30 ` Martin K. Petersen
2012-09-24 22:34 ` [PATCH v3 02/26] block: Convert integrity to bvec_alloc_bs() Kent Overstreet
2012-10-02 15:12 ` [dm-devel] " Vivek Goyal
2012-10-02 20:52 ` Kent Overstreet
2012-10-02 22:05 ` Vivek Goyal
2012-10-02 22:17 ` Kent Overstreet
2012-10-02 15:37 ` Vivek Goyal
2012-10-02 21:00 ` Kent Overstreet
2012-10-02 22:02 ` Vivek Goyal
2012-09-24 22:34 ` [PATCH v3 03/26] block: Add bio_advance() Kent Overstreet
2012-09-24 22:34 ` [PATCH v3 04/26] block: Refactor blk_update_request() Kent Overstreet
2012-10-02 18:43 ` [dm-devel] " Vivek Goyal
2012-10-02 20:10 ` Kent Overstreet
2012-10-02 20:14 ` Vivek Goyal
2012-10-02 20:25 ` Kent Overstreet
2012-10-02 18:59 ` Vivek Goyal
2012-10-02 20:09 ` Kent Overstreet
2012-09-24 22:34 ` [PATCH v3 05/26] md: Convert md_trim_bio() to use bio_advance() Kent Overstreet
2012-09-26 0:38 ` NeilBrown
2012-09-27 4:41 ` Kent Overstreet
2012-09-24 22:34 ` [PATCH v3 06/26] block: Add bio_end_sector() Kent Overstreet
2012-09-25 11:54 ` [Drbd-dev] " Lars Ellenberg
2012-09-25 22:06 ` Kent Overstreet
2012-09-26 15:16 ` Lars Ellenberg
2012-10-02 18:10 ` [dm-devel] " Vivek Goyal
2012-10-02 20:20 ` Kent Overstreet
2012-09-24 22:34 ` [PATCH v3 07/26] block: Use bio_sectors() more consistently Kent Overstreet
2012-09-24 23:04 ` Jim Paris
2012-09-24 23:09 ` Kent Overstreet [this message]
2012-09-25 0:54 ` Ed Cashin
2012-09-24 22:34 ` [PATCH v3 08/26] block: Change bio_split() to respect the current value of bi_idx Kent Overstreet
2012-09-24 22:34 ` [PATCH v3 09/26] block: Remove bi_idx references Kent Overstreet
2012-10-02 19:24 ` [dm-devel] " Vivek Goyal
2012-10-02 20:16 ` Kent Overstreet
2012-09-24 22:34 ` [PATCH v3 10/26] block: Remove some unnecessary bi_vcnt usage Kent Overstreet
2012-09-24 22:34 ` [PATCH v3 11/26] block: Add submit_bio_wait(), remove from md Kent Overstreet
2012-09-25 5:51 ` [dm-devel] " Hannes Reinecke
2012-09-25 22:15 ` Kent Overstreet
2012-10-02 19:41 ` Vivek Goyal
2012-10-02 20:11 ` Kent Overstreet
2012-10-02 20:16 ` Vivek Goyal
2012-10-02 20:22 ` Kent Overstreet
2012-10-04 6:07 ` Hannes Reinecke
2012-09-24 22:34 ` [PATCH v3 12/26] raid10: Use bio_reset() Kent Overstreet
2012-09-24 22:34 ` [PATCH v3 13/26] raid1: use bio_reset() Kent Overstreet
2012-09-24 22:34 ` [PATCH v3 14/26] raid5: " Kent Overstreet
2012-09-24 22:34 ` [PATCH v3 15/26] raid1: Refactor narrow_write_error() to not use bi_idx Kent Overstreet
2012-09-24 22:34 ` [PATCH v3 16/26] block: Add bio_copy_data() Kent Overstreet
2012-09-24 22:34 ` [PATCH v3 17/26] pktcdvd: use bio_copy_data() Kent Overstreet
2012-09-24 22:34 ` [PATCH v3 18/26] pktcdvd: Use bio_reset() in disabled code to kill bi_idx usage Kent Overstreet
2012-09-24 22:34 ` [PATCH v3 19/26] raid1: use bio_copy_data() Kent Overstreet
2012-09-24 22:35 ` [PATCH v3 20/26] bounce: Refactor __blk_queue_bounce to not use bi_io_vec Kent Overstreet
2012-09-24 22:35 ` [PATCH v3 21/26] block: Add bio_for_each_segment_all() Kent Overstreet
2012-09-24 22:35 ` [PATCH v3 22/26] block: Convert some code to bio_for_each_segment_all() Kent Overstreet
2012-09-24 22:35 ` [PATCH v3 23/26] block: Add bio_alloc_pages() Kent Overstreet
2012-09-24 22:35 ` [PATCH v3 24/26] block: Add an explicit bio flag for bios that own their bvec Kent Overstreet
2012-09-24 22:35 ` [PATCH v3 25/26] bio-integrity: Add explicit field for owner of bip_buf Kent Overstreet
2012-09-24 22:35 ` [PATCH v3 26/26] block: Add BIO_SUBMITTED flag, kill BIO_CLONED Kent Overstreet
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