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> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <jaxboe@fusionio.com> |
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