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Re: [dm-devel] [PATCH 2/6] block: no need to initialize rq->cmd with blk_get_request

On Sat, 2008-04-26 at 01:23 +0900, FUJITA Tomonori wrote:
> blk_get_request initializes rq->cmd (rq_init does) so the users don't
> need to do that.
> The purpose of this patch is to remove sizeof(rq->cmd) and &rq->cmd,
> as a preparation for large command support, which changes rq->cmd from
> the static array to a pointer. sizeof(rq->cmd) will not make sense and
> &rq->cmd won't work.
> Signed-off-by: FUJITA Tomonori <fujita tomonori lab ntt co jp>
> Cc: James Bottomley <James Bottomley HansenPartnership com>
> Cc: Alasdair G Kergon <agk redhat com>
> Cc: Jens Axboe <jens axboe oracle com>
> ---
>  block/scsi_ioctl.c          |    3 ---
>  drivers/block/pktcdvd.c     |    2 --
>  drivers/cdrom/cdrom.c       |    1 -


>  drivers/md/dm-emc.c         |    2 --
>  drivers/md/dm-mpath-hp-sw.c |    1 -
>  drivers/md/dm-mpath-rdac.c  |    1 -

Conflict with this set of patches:


Which move the dm pieces to being request based.  The patch series
hasn't had an ACK yet from Alasdair, but it would be nice if you could
look it over and see if it needs the memsets pulling out.



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