When I converted the origianl patch, I left unnecessary blk_queue_bounce in SG_IO. --- [PATCH] remove unnecessary blk_queue_bounce in SG_IO This patch removes blk_queue_bounce in SG_IO since the blk functions handle it. Signed-off-by: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx> Signed-off-by: Mike Christie <michaelc@xxxxxxxxxxx> diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c index 045cabd..f322b6a 100644 --- a/block/scsi_ioctl.c +++ b/block/scsi_ioctl.c @@ -271,13 +271,6 @@ static int sg_io(struct file *file, requ rq->cmd_type = REQ_TYPE_BLOCK_PC; - /* - * bounce this after holding a reference to the original bio, it's - * needed for proper unmapping - */ - if (rq->bio) - blk_queue_bounce(q, &rq->bio); - rq->timeout = jiffies_to_msecs(hdr->timeout); if (!rq->timeout) rq->timeout = q->sg_timeout; - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
