linux-kernel - Re: [PATCH v6 12/13] block: Add bio_clone_bioset(), bio_clone

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Message-ID: <5035133A.9060805@pobox.com>
Date:	Wed, 22 Aug 2012 13:13:30 -0400
From:	Jeff Garzik <jgarzik@...ox.com>
To:	Kent Overstreet <koverstreet@...gle.com>
CC:	linux-bcache@...r.kernel.org, linux-kernel@...r.kernel.org,
	dm-devel@...hat.com, tj@...nel.org, vgoyal@...hat.com,
	mpatocka@...hat.com, bharrosh@...asas.com,
	Jens Axboe <axboe@...nel.dk>, NeilBrown <neilb@...e.de>,
	Alasdair Kergon <agk@...hat.com>, Jeff Garzik <jeff@...zik.org>
Subject: Re: [PATCH v6 12/13] block: Add bio_clone_bioset(), bio_clone_kmalloc()

On 08/22/2012 01:04 PM, Kent Overstreet wrote:
> Previously, there was bio_clone() but it only allocated from the fs bio
> set; as a result various users were open coding it and using
> __bio_clone().
>
> This changes bio_clone() to become bio_clone_bioset(), and then we add
> bio_clone() and bio_clone_kmalloc() as wrappers around it, making use of
> the functionality the last patch adedd.
>
> This will also help in a later patch changing how bio cloning works.
>
> Signed-off-by: Kent Overstreet <koverstreet@...gle.com>
> CC: Jens Axboe <axboe@...nel.dk>
> CC: NeilBrown <neilb@...e.de>
> CC: Alasdair Kergon <agk@...hat.com>
> CC: Boaz Harrosh <bharrosh@...asas.com>
> CC: Jeff Garzik <jeff@...zik.org>
> ---
>   block/blk-core.c       |  8 +-------
>   drivers/block/osdblk.c |  3 +--
>   drivers/md/dm.c        |  4 ++--
>   drivers/md/md.c        | 20 +-------------------
>   fs/bio.c               | 13 ++++++++-----
>   fs/exofs/ore.c         |  5 ++---
>   include/linux/bio.h    | 17 ++++++++++++++---
>   7 files changed, 29 insertions(+), 41 deletions(-)

Acked-by: Jeff Garzik <jgarzik@...hat.com>



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