Re: [PATCH 07/31] scsi: Use blk_mq_rq_to_pdu() to convert a request to a SCSI command pointer

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 05/24/2017 02:33 AM, Bart Van Assche wrote:
> Since commit e9c787e65c0c ("scsi: allocate scsi_cmnd structures as
> part of struct request") struct request and struct scsi_cmnd are
> adjacent. This means that there is now an alternative to reading
> req->special to convert a pointer to a prepared request into a
> SCSI command pointer, namely by using blk_mq_rq_to_pdu(). Make
> this change where appropriate. Although this patch does not
> change any functionality, it slightly improves performance and
> slightly improves readability.
> 
> Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxxxxxx>
> Cc: Christoph Hellwig <hch@xxxxxx>
> Cc: Hannes Reinecke <hare@xxxxxxxx>
> Cc: Johannes Thumshirn <jthumshirn@xxxxxxx>
> ---

Looks good,
Reviewed-by: Johannes Thumshirn <jthumshirn@xxxxxxx>


-- 
Johannes Thumshirn                                          Storage
jthumshirn@xxxxxxx                                +49 911 74053 689
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: Felix Imendörffer, Jane Smithard, Graham Norton
HRB 21284 (AG Nürnberg)
Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850



[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [SCSI Target Devel]     [Linux SCSI Target Infrastructure]     [Kernel Newbies]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Linux IIO]     [Samba]     [Device Mapper]

  Powered by Linux