From: Javier González Date: Fri, 6 May 2016 18:03:12 +0000 (+0200) Subject: lightnvm: enable metadata to be sent to device X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=003fad376b924fc3a61c659f38da70356ec144fa;p=linux-beck.git lightnvm: enable metadata to be sent to device Enable metadata buffer to be sent to the device through the metadata field on the physical rw nvme command. The size of the metadata buffer must follow dev->oob_size * # of PPAs. Signed-off-by: Javier González Updated description. Signed-off-by: Matias Bjørling Signed-off-by: Jens Axboe --- diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c index d426d95c9eaa..69a47fb2b6e3 100644 --- a/drivers/nvme/host/lightnvm.c +++ b/drivers/nvme/host/lightnvm.c @@ -467,6 +467,7 @@ static inline void nvme_nvm_rqtocmd(struct request *rq, struct nvm_rq *rqd, c->ph_rw.opcode = rqd->opcode; c->ph_rw.nsid = cpu_to_le32(ns->ns_id); c->ph_rw.spba = cpu_to_le64(rqd->ppa_addr.ppa); + c->ph_rw.metadata = cpu_to_le64(rqd->meta_list); c->ph_rw.control = cpu_to_le16(rqd->flags); c->ph_rw.length = cpu_to_le16(rqd->nr_pages - 1); diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h index af72ca75dced..678df4d4354d 100644 --- a/include/linux/lightnvm.h +++ b/include/linux/lightnvm.h @@ -230,8 +230,8 @@ struct nvm_rq { struct ppa_addr *ppa_list; - void *metadata; - dma_addr_t dma_metadata; + void *meta_list; + dma_addr_t dma_meta_list; struct completion *wait; nvm_end_io_fn *end_io;