Distributed Replicated Block Device (DRBD) development
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From: Boaz Harrosh <bharrosh@panasas.com>
To: Kent Overstreet <koverstreet@google.com>
Cc: axboe@kernel.dk, dm-devel@redhat.com, neilb@suse.de,
	linux-kernel@vger.kernel.org, linux-bcache@vger.kernel.org,
	mpatocka@redhat.com, vgoyal@redhat.com, yehuda@hq.newdream.net,
	tj@kernel.org, sage@newdream.net, agk@redhat.com,
	drbd-dev@lists.linbit.com
Subject: Re: [Drbd-dev] [PATCH v4 09/12] block: Rework bio_pair_split()
Date: Wed, 25 Jul 2012 15:03:30 +0300	[thread overview]
Message-ID: <500FE092.6010108@panasas.com> (raw)
In-Reply-To: <1343160689-12378-10-git-send-email-koverstreet@google.com>

On 07/24/2012 11:11 PM, Kent Overstreet wrote:

> This changes bio_pair_split() to use the new bio_split() underneath,
> which gets rid of the single page bio limitation. The various callers
> are fixed up for the slightly different struct bio_pair, and to remove
> the unnecessary checks.
> 
> Signed-off-by: Kent Overstreet <koverstreet@google.com>

<snip>

> +
> +extern struct bio *bio_split(struct bio *bio, int sectors,
> +			     gfp_t gfp, struct bio_set *bs);


nit:

Just for taking pride in my work, I'd move this extern declaration
to the previous patch that actually introduces it.

Cheers
Boaz

>  extern struct bio_pair *bio_pair_split(struct bio *bi, int first_sectors);
>  extern void bio_pair_release(struct bio_pair *dbio);
>  
> @@ -512,7 +514,6 @@ extern int bio_integrity_prep(struct bio *);
>  extern void bio_integrity_endio(struct bio *, int);
>  extern void bio_integrity_advance(struct bio *, unsigned int);
>  extern void bio_integrity_trim(struct bio *, unsigned int, unsigned int);
> -extern void bio_integrity_split(struct bio *, struct bio_pair *, int);
>  extern int bio_integrity_clone(struct bio *, struct bio *, gfp_t, struct bio_set *);
>  extern int bioset_integrity_create(struct bio_set *, int);
>  extern void bioset_integrity_free(struct bio_set *);
> @@ -556,12 +557,6 @@ static inline int bio_integrity_clone(struct bio *bio, struct bio *bio_src,
>  	return 0;
>  }
>  
> -static inline void bio_integrity_split(struct bio *bio, struct bio_pair *bp,
> -				       int sectors)
> -{
> -	return;
> -}
> -
>  static inline void bio_integrity_advance(struct bio *bio,
>  					 unsigned int bytes_done)
>  {



  reply	other threads:[~2012-07-26  9:35 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-24 20:11 [Drbd-dev] [PATCH v4 00/12] Block cleanups Kent Overstreet
2012-07-24 20:11 ` [Drbd-dev] [PATCH v4 01/12] block: Generalized bio pool freeing Kent Overstreet
2012-07-25 11:06   ` Boaz Harrosh
2012-07-25 23:38     ` Kent Overstreet
2012-07-24 20:11 ` [Drbd-dev] [PATCH v4 02/12] dm: Use bioset's front_pad for dm_rq_clone_bio_info Kent Overstreet
2012-07-24 20:11 ` [Drbd-dev] [PATCH v4 03/12] block: Add bio_reset() Kent Overstreet
2012-07-25 11:19   ` Boaz Harrosh
2012-07-25 22:56     ` Kent Overstreet
2012-07-24 20:11 ` [Drbd-dev] [PATCH v4 04/12] pktcdvd: Switch to bio_kmalloc() Kent Overstreet
2012-07-25 11:29   ` Boaz Harrosh
2012-07-25 23:01     ` Kent Overstreet
2012-07-24 20:11 ` [Drbd-dev] [PATCH v4 05/12] block: Kill bi_destructor Kent Overstreet
2012-07-25 11:39   ` Boaz Harrosh
2012-07-25 23:15     ` Kent Overstreet
2012-07-24 20:11 ` [Drbd-dev] [PATCH v4 06/12] block: Add an explicit bio flag for bios that own their bvec Kent Overstreet
2012-07-24 20:11 ` [Drbd-dev] [PATCH v4 07/12] block: Rename bio_split() -> bio_pair_split() Kent Overstreet
2012-07-24 20:11 ` [Drbd-dev] [PATCH v4 08/12] block: Introduce new bio_split() Kent Overstreet
2012-07-25 11:55   ` Boaz Harrosh
2012-07-25 23:26     ` Kent Overstreet
2012-07-27  0:50       ` [Drbd-dev] [PATCH] A possible deadlock with stacked devices (was: [PATCH v4 08/12] block: Introduce new bio_split()) Mikulas Patocka
2012-08-15 23:07         ` Kent Overstreet
2012-07-24 20:11 ` [Drbd-dev] [PATCH v4 09/12] block: Rework bio_pair_split() Kent Overstreet
2012-07-25 12:03   ` Boaz Harrosh [this message]
2012-07-24 20:11 ` [Drbd-dev] [PATCH v4 10/12] block: Add bio_clone_kmalloc() Kent Overstreet
2012-07-25 12:05   ` Boaz Harrosh
2012-07-24 20:11 ` [Drbd-dev] [PATCH v4 11/12] block: Add bio_clone_bioset() Kent Overstreet
2012-07-24 20:11 ` [Drbd-dev] [PATCH v4 12/12] block: Only clone bio vecs that are in use Kent Overstreet
2012-08-07  3:17   ` Muthu Kumar

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