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From: Christoph Hellwig <hch@infradead.org>
To: NeilBrown <neilb@suse.com>
Cc: Jens Axboe <axboe@kernel.dk>,
	linux-block@vger.kernel.org, Ming Lei <tom.leiming@gmail.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 02/13] blk: replace bioset_create_nobvec() with a flags arg to bioset_create()
Date: Tue, 2 May 2017 01:06:17 -0700	[thread overview]
Message-ID: <20170502080617.GA5578@infradead.org> (raw)
In-Reply-To: <149369654407.5146.12779672368228096310.stgit@noble>

> diff --git a/include/linux/bio.h b/include/linux/bio.h
> index d1b04b0e99cf..0975da6bebd9 100644
> --- a/include/linux/bio.h
> +++ b/include/linux/bio.h
> @@ -373,8 +373,10 @@ static inline struct bio *bio_next_split(struct bio *bio, int sectors,
>  	return bio_split(bio, sectors, gfp, bs);
>  }
>  
> -extern struct bio_set *bioset_create(unsigned int, unsigned int);
> -extern struct bio_set *bioset_create_nobvec(unsigned int, unsigned int);
> +extern struct bio_set *bioset_create(unsigned int, unsigned int, int flags);
> +enum {
> +	BIOSET_NEED_BVECS = BIT(0),
> +};

I really hate the BIT macro as it obsfucates what's going on.

Why not just

	BIOSET_NEED_BVECS	= (1 << 0),

which is a lot more intuitive.

Otherwise looks fine to me:

Reviewed-by: Christoph Hellwig <hch@lst.de>

  reply	other threads:[~2017-05-02  8:06 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-02  3:42 [PATCH 00/13] block: assorted cleanup for bio splitting and cloning NeilBrown
2017-05-02  3:42 ` [PATCH 03/13] blk: make the bioset rescue_workqueue optional NeilBrown
2017-05-02  8:14   ` Christoph Hellwig
2017-05-02 11:00   ` Ming Lei
2017-05-02 22:10     ` NeilBrown
2017-05-02 22:34   ` [PATCH 03/13 V2] " NeilBrown
2017-05-03  3:24     ` Ming Lei
2017-05-02  3:42 ` [PATCH 02/13] blk: replace bioset_create_nobvec() with a flags arg to bioset_create() NeilBrown
2017-05-02  8:06   ` Christoph Hellwig [this message]
2017-05-02 21:47     ` NeilBrown
2017-05-02  9:40   ` Ming Lei
2017-05-02  3:42 ` [PATCH 01/13] blk: remove bio_set arg from blk_queue_split() NeilBrown
2017-05-02 10:44   ` javigon
2017-05-02  3:42 ` [PATCH 05/13] block: Improvements to bounce-buffer handling NeilBrown
2017-05-02  8:13   ` Christoph Hellwig
2017-05-02 11:56   ` Ming Lei
2017-05-02  3:42 ` [PATCH 04/13] blk: use non-rescuing bioset for q->bio_split NeilBrown
2017-05-02 11:54   ` Ming Lei
2017-05-02 23:21   ` [PATCH 04/13 V2] " NeilBrown
2017-05-02  3:42 ` [PATCH 09/13] lightnvm/pblk-read: use bio_clone_fast() NeilBrown
2017-05-02  8:15   ` Christoph Hellwig
2017-05-02 11:22   ` Javier González
2017-05-02 21:51     ` NeilBrown
2017-05-03  6:42       ` Javier González
2017-05-02  3:42 ` [PATCH 10/13] xen-blkfront: remove bio splitting NeilBrown
2017-05-02  8:15   ` Christoph Hellwig
2017-05-02  3:42 ` [PATCH 07/13] drbd: use bio_clone_fast() instead of bio_clone() NeilBrown
2017-05-02 23:20   ` [PATCH 07/13 V2] " NeilBrown
2017-05-02  3:42 ` [PATCH 06/13] rbd: " NeilBrown
2017-05-02  3:42 ` [PATCH 08/13] pktcdvd: " NeilBrown
2017-05-02  3:42 ` [PATCH 13/13] block: don't check for BIO_MAX_PAGES in blk_bio_segment_split() NeilBrown
2017-05-02  8:15   ` Christoph Hellwig
2017-05-02 10:22   ` Ming Lei
2017-05-02 22:54     ` NeilBrown
2017-05-02 23:50       ` Ming Lei
2017-05-02  3:42 ` [PATCH 11/13] bcache: use kmalloc to allocate bio in bch_data_verify() NeilBrown
2017-05-02  3:42 ` [PATCH 12/13] block: remove bio_clone() and all references NeilBrown
2017-05-11  0:58 ` [PATCH 00/13] block: assorted cleanup for bio splitting and cloning NeilBrown
2017-06-16  5:54   ` NeilBrown
2017-06-16  6:42     ` Christoph Hellwig
2017-06-16  7:30       ` NeilBrown
2017-06-16  7:34         ` Christoph Hellwig
2017-06-16 20:45           ` Jens Axboe
2017-06-18  4:40             ` NeilBrown
2017-06-18  4:40             ` NeilBrown
2017-06-18  4:38 NeilBrown
2017-06-18  4:38 ` [PATCH 02/13] blk: replace bioset_create_nobvec() with a flags arg to bioset_create() NeilBrown

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