[dm-devel] [PATCH v6 03/13] block: Add bio_reset()
Tejun Heo
tj at kernel.org
Wed Aug 22 18:34:26 UTC 2012
On Wed, Aug 22, 2012 at 10:04:00AM -0700, Kent Overstreet wrote:
> Reusing bios is something that's been highly frowned upon in the past,
> but driver code keeps doing it anyways. If it's going to happen anyways,
> we should provide a generic method.
>
> This'll help with getting rid of bi_destructor - drivers/block/pktcdvd.c
> was open coding it, by doing a bio_init() and resetting bi_destructor.
>
> v5: Add a define BIO_RESET_BITS, to be very explicit about what parts of
> bio->bi_flags are saved.
> v6: Further commenting verbosity, per Tejun
>
> Signed-off-by: Kent Overstreet <koverstreet at google.com>
> CC: Jens Axboe <axboe at kernel.dk>
Given some users are converted later.
Acked-by: Tejun Heo <tj at kernel.org>
Thanks.
--
tejun
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