Re: [PATCH 1/5] block: make __blk_rq_prep_clone() copy most command flags

[Christoph Hellwig]

On Mon, Aug 30, 2010 at 11:58:12AM +0200, Tejun Heo wrote:
> Currently __blk_rq_prep_clone() copies only REQ_WRITE and REQ_DISCARD.
> There's no reason to omit other command flags and REQ_FUA needs to be
> copied to implement FUA support in request-based dm.
> 
> REQ_COMMON_MASK which specifies flags to be copied from bio to request
> already identifies all the command flags.  Define REQ_CLONE_MASK to be
> the same as REQ_COMMON_MASK for clarity and make __blk_rq_prep_clone()
> copy all flags in the mask.
> 
> Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>

Looks good,


Reviewed-by: Christoph Hellwig <hch@xxxxxx>

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