4.4-stable review patch. If anyone has any objections, please let me know.
------------------ [ Upstream commit f21018427cb007a0894c36ad702990ab639cbbb4 ] Driver private request types should not get the artifical cap for the FS requests. This is important to use the full device capabilities for internal command or NVMe pass through commands. Signed-off-by: Christoph Hellwig <[email protected]> Reported-by: Jeff Lien <[email protected]> Tested-by: Jeff Lien <[email protected]> Reviewed-by: Keith Busch <[email protected]> Updated by me to use an explicit check for the one command type that does support extended checking, instead of relying on the ordering of the enum command values - as suggested by Keith. Signed-off-by: Jens Axboe <[email protected]> Signed-off-by: Sasha Levin <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- include/linux/blkdev.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -890,7 +890,7 @@ static inline unsigned int blk_rq_get_ma { struct request_queue *q = rq->q; - if (unlikely(rq->cmd_type == REQ_TYPE_BLOCK_PC)) + if (unlikely(rq->cmd_type != REQ_TYPE_FS)) return q->limits.max_hw_sectors; if (!q->limits.chunk_sectors || (rq->cmd_flags & REQ_DISCARD))
