On 06/01/2017 06:11 AM, Bart Van Assche wrote: > On Thu, 2017-06-01 at 08:08 +0200, Christoph Hellwig wrote: >> On Wed, May 31, 2017 at 03:52:46PM -0700, Bart Van Assche wrote: >>> Commit 6d247d7f71d1 ("block: allow specifying size for extra command >>> data") added support for .cmd_size to blk-sq. Due to that patch the >>> blk_mq_rq_{to,from}_pdu() functions are also useful for single-queue >>> block drivers. Hence remove "_mq" from the name of these functions. >>> This patch does not change any functionality. Most of this patch has >>> been generated by running the following shell command: >> >> I don't really see the point of this as it's primarily a blk-mq API >> and we still hope to get rid of the old code. But I'm not necessarily >> against it either. > > Hello Christoph, > > I would like to introduce calls to these functions in several scsi-sq > functions. If I would do that without renaming these functions then anyone > who reads the code of these functions and sees calls to functions with a > blk_mq_ prefix could get really confused when trying to figure out whether > these functions are used by scsi-sq, scsi-mq or perhaps both. But that should go away, eventually. -- Jens Axboe