From: Kent Overstreet <koverstreet@google.com>
To: Tejun Heo <tj@kernel.org>
Cc: linux-bcache@vger.kernel.org, linux-kernel@vger.kernel.org,
dm-devel@redhat.com, axboe@kernel.dk, neilb@suse.de
Subject: Re: [PATCH v2 05/26] block: Add bio_end()
Date: Thu, 20 Sep 2012 16:44:53 -0700 [thread overview]
Message-ID: <20120920234453.GE5519@google.com> (raw)
In-Reply-To: <20120920233225.GK7264@google.com>
On Thu, Sep 20, 2012 at 04:32:25PM -0700, Tejun Heo wrote:
> On Mon, Sep 10, 2012 at 05:22:16PM -0700, Kent Overstreet wrote:
> > Just a little convenience macro - main reason to add it now is preparing
> > for immutable bio vecs, it'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>
> > diff --git a/include/linux/bio.h b/include/linux/bio.h
> > index 6763cdf..92bff0e 100644
> > --- a/include/linux/bio.h
> > +++ b/include/linux/bio.h
> > @@ -67,6 +67,7 @@
> > #define bio_offset(bio) bio_iovec((bio))->bv_offset
> > #define bio_segments(bio) ((bio)->bi_vcnt - (bio)->bi_idx)
> > #define bio_sectors(bio) ((bio)->bi_size >> 9)
> > +#define bio_end(bio) ((bio)->bi_sector + bio_sectors(bio))
>
> Maybe bio_end_sector() is a better name? bio_end() looks a bit too
> close to bio_endio().
Bit verbose for my tastes, but I tend to be more terse than most :P I'm
used to bio_end(), but I'll probably change it.
next prev parent reply other threads:[~2012-09-20 23:45 UTC|newest]
Thread overview: 81+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-11 0:22 [PATCH v2 00/26] Prep work for immutable bio vecs Kent Overstreet
2012-09-11 0:22 ` [PATCH v2 01/26] block: Convert integrity to bvec_alloc_bs(), and a bugfix Kent Overstreet
2012-09-11 20:36 ` [dm-devel] " Vivek Goyal
2012-09-11 20:48 ` Kent Overstreet
2012-09-11 22:07 ` Kent Overstreet
2012-09-12 19:39 ` Martin K. Petersen
2012-09-17 21:08 ` Kent Overstreet
2012-09-20 21:53 ` Tejun Heo
2012-09-11 0:22 ` [PATCH v2 02/26] block: Add bio_advance() Kent Overstreet
2012-09-20 21:58 ` Tejun Heo
2012-09-20 23:13 ` Kent Overstreet
2012-09-20 23:25 ` Tejun Heo
2012-09-20 23:38 ` Kent Overstreet
2012-09-11 0:22 ` [PATCH v2 03/26] block: Refactor blk_update_request() Kent Overstreet
2012-09-20 23:20 ` Tejun Heo
2012-09-20 23:36 ` Kent Overstreet
2012-09-20 23:41 ` Tejun Heo
2012-09-20 23:50 ` Kent Overstreet
2012-09-11 0:22 ` [PATCH v2 04/26] md: Convert md_trim_bio() to use bio_advance() Kent Overstreet
2012-09-20 23:27 ` Tejun Heo
2012-09-11 0:22 ` [PATCH v2 05/26] block: Add bio_end() Kent Overstreet
2012-09-17 9:17 ` Steven Whitehouse
2012-09-20 23:32 ` Tejun Heo
2012-09-20 23:44 ` Kent Overstreet [this message]
2012-09-11 0:22 ` [PATCH v2 06/26] block: Use bio_sectors() more consistently Kent Overstreet
2012-09-20 23:36 ` Tejun Heo
2012-09-20 23:47 ` Kent Overstreet
2012-09-11 0:22 ` [PATCH v2 07/26] block: Don't use bi_idx in bio_split() or require it to be 0 Kent Overstreet
2012-09-20 23:45 ` Tejun Heo
2012-09-21 0:00 ` Kent Overstreet
2012-09-11 0:22 ` [PATCH v2 08/26] block: Remove bi_idx references Kent Overstreet
2012-09-20 23:49 ` Tejun Heo
2012-09-21 0:04 ` Kent Overstreet
2012-09-11 0:22 ` [PATCH v2 09/26] block: Remove some unnecessary bi_vcnt usage Kent Overstreet
2012-09-20 23:51 ` Tejun Heo
2012-09-11 0:22 ` [PATCH v2 10/26] block: Add submit_bio_wait(), remove from md Kent Overstreet
2012-09-20 23:56 ` Tejun Heo
2012-09-21 0:06 ` Kent Overstreet
2012-09-11 0:22 ` [PATCH v2 11/26] raid10: Use bio_reset() Kent Overstreet
2012-09-20 23:59 ` Tejun Heo
2012-09-11 0:22 ` [PATCH v2 12/26] raid1: use bio_reset() Kent Overstreet
2012-09-11 4:59 ` NeilBrown
2012-09-11 18:28 ` Kent Overstreet
2012-09-11 21:17 ` NeilBrown
2012-09-11 0:22 ` [PATCH v2 13/26] raid5: " Kent Overstreet
2012-09-11 5:03 ` NeilBrown
2012-09-11 19:26 ` Kent Overstreet
2012-09-11 0:22 ` [PATCH v2 14/26] raid1: Refactor narrow_write_error() to not use bi_idx Kent Overstreet
2012-09-11 0:22 ` [PATCH v2 15/26] block: Add bio_copy_data() Kent Overstreet
2012-09-21 0:06 ` Tejun Heo
2012-09-21 0:09 ` Kent Overstreet
2012-09-21 0:15 ` Tejun Heo
2012-09-21 0:09 ` Tejun Heo
2012-09-21 0:13 ` Kent Overstreet
2012-09-11 0:22 ` [PATCH v2 16/26] pktcdvd: use bio_copy_data() Kent Overstreet
2012-09-11 0:22 ` [PATCH v2 17/26] pktcdvd: Use bio_reset() in disabled code to kill bi_idx usage Kent Overstreet
2012-09-11 0:22 ` [PATCH v2 18/26] raid1: use bio_copy_data() Kent Overstreet
2012-09-11 0:22 ` [PATCH v2 19/26] bounce: Refactor __blk_queue_bounce to not use bi_io_vec Kent Overstreet
2012-09-21 0:25 ` Tejun Heo
2012-09-21 0:29 ` Kent Overstreet
2012-09-21 0:27 ` Tejun Heo
2012-09-21 0:34 ` Kent Overstreet
2012-09-11 0:22 ` [PATCH v2 20/26] block: Add bio_for_each_segment_all() Kent Overstreet
2012-09-21 0:35 ` Tejun Heo
2012-09-11 0:22 ` [PATCH v2 21/26] block: Convert some code to bio_for_each_segment_all() Kent Overstreet
2012-09-21 0:38 ` Tejun Heo
2012-09-21 0:50 ` Kent Overstreet
2012-09-11 0:22 ` [PATCH v2 22/26] block: Add bio_alloc_pages() Kent Overstreet
2012-09-21 0:47 ` Tejun Heo
2012-09-21 4:50 ` Kent Overstreet
2012-09-11 0:22 ` [PATCH v2 23/26] raid1: use bio_alloc_pages() Kent Overstreet
2012-09-21 0:48 ` Tejun Heo
2012-09-21 4:51 ` Kent Overstreet
2012-09-11 0:22 ` [PATCH v2 24/26] block: Add an explicit bio flag for bios that own their bvec Kent Overstreet
2012-09-11 0:22 ` [PATCH v2 25/26] bio-integrity: Add explicit field for owner of bip_buf Kent Overstreet
2012-09-12 19:41 ` Martin K. Petersen
2012-09-17 21:09 ` Kent Overstreet
2012-09-11 0:22 ` [PATCH v2 26/26] block: Add BIO_SUBMITTED flag, kill BIO_CLONED Kent Overstreet
2012-09-11 5:22 ` [PATCH v2 00/26] Prep work for immutable bio vecs NeilBrown
2012-09-20 23:22 ` Tejun Heo
-- strict thread matches above, loose matches on Subject: below --
2012-10-15 20:08 [PATCH v4 00/24] " Kent Overstreet
2012-10-15 20:09 ` [PATCH v2 05/26] block: Add bio_end() Kent Overstreet
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