[dm-devel] [PATCH v3 07/26] block: Use bio_sectors() more consistently
Kent Overstreet
koverstreet at google.com
Mon Sep 24 23:09:45 UTC 2012
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 at google.com>
> > CC: Jens Axboe <axboe at kernel.dk>
> > CC: "Ed L. Cashin" <ecashin at coraid.com>
> > CC: Nick Piggin <npiggin at kernel.dk>
> > CC: Jiri Kosina <jkosina at suse.cz>
> > CC: Jim Paris <jim at jtan.com>
> > CC: Geoff Levand <geoff at infradead.org>
> > CC: Alasdair Kergon <agk at redhat.com>
> > CC: dm-devel at redhat.com
> > CC: Neil Brown <neilb at suse.de>
> > CC: Steven Rostedt <rostedt at 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.
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