A few things I spotted (while actually fiddling with 3/5).
On Wed, 2015-04-15 at 14:34 +0200, Matias Bjørling wrote:
> index f3dd028..58a8a71 100644
> --- a/block/blk-mq.c
> +++ b/block/blk-mq.c
> @@ -221,6 +221,9 @@ static void blk_mq_rq_ctx_init(struct request_queue *q,
> struct blk_mq_ctx *ctx,
> rq->end_io = NULL;
> rq->end_io_data = NULL;
> rq->next_rq = NULL;
> +#if CONFIG_BLK_DEV_NVM
I think you meant
#ifdef CONFIG_BLK_DEV_NVM
> + rq->phys_sector = 0;
> +#endif
>
> ctx->rq_dispatched[rw_is_sync(rw_flags)]++;
> }
> --- /dev/null
> +++ b/block/blk-nvm.c
> +int nvm_register_target(struct nvm_target_type *tt)
> +{
> + int ret = 0;
> +
> + down_write(&_lock);
> + if (nvm_find_target_type(tt->name))
> + ret = -EEXIST;
> + else
> + list_add(&tt->list, &_targets);
> + up_write(&_lock);
> +
> + return ret;
> +}
> +
> +void nvm_unregister_target(struct nvm_target_type *tt)
> +{
> + if (!tt)
> + return;
> +
> + down_write(&_lock);
> + list_del(&tt->list);
> + up_write(&_lock);
> +}
Trying to build rrpc.ko I saw this
WARNING: "nvm_unregister_target" [[...]/drivers/lightnvm/rrpc.ko] undefined!
WARNING: "nvm_register_target" [[...]/drivers/lightnvm/rrpc.ko] undefined!
So I guess you need to export these two functions too.
> --- a/include/linux/blkdev.h
> +++ b/include/linux/blkdev.h
> @@ -209,6 +209,9 @@ struct request {
>
> /* for bidi */
> struct request *next_rq;
> +#if CONFIG_BLK_DEV_NVM
Again, I think
#ifdef CONFIG_BLK_DEV_NVM
> + sector_t phys_sector;
> +#endif
> };
>
> static inline unsigned short req_get_ioprio(struct request *req)
Paul Bolle
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