Thread (1 message) 1 message, 1 author, 2010-09-01

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

From: Christoph Hellwig <hch@lst.de>
Date: 2010-09-01 15:30:27
Also in: linux-fsdevel, lkml

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@kernel.org>
Looks good,


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