nvme/target/admin-cmd.c

84 	/* we don't have the right data for file backed ns */
85 	if (!req->ns->bdev)
88 	host_reads = part_stat_read(req->ns->bdev, ios[READ]);
90 		DIV_ROUND_UP(part_stat_read(req->ns->bdev, sectors[READ]), 1000);
91 	host_writes = part_stat_read(req->ns->bdev, ios[WRITE]);
93 		DIV_ROUND_UP(part_stat_read(req->ns->bdev, sectors[WRITE]), 1000);
108 	struct nvmet_ns *ns;
113 	xa_for_each(&ctrl->subsys->namespaces, idx, ns) {
114 		/* we don't have the right data for file backed ns */
115 		if (!ns->bdev)
117 		host_reads += part_stat_read(ns->bdev, ios[READ]);
119 			part_stat_read(ns->bdev, sectors[READ]), 1000);
120 		host_writes += part_stat_read(ns->bdev, ios[WRITE]);
122 			part_stat_read(ns->bdev, sectors[WRITE]), 1000);
257 	struct nvmet_ns *ns;
262 		xa_for_each(&ctrl->subsys->namespaces, idx, ns)
263 			if (ns->anagrpid == grpid)
264 				desc->nsids[count++] = cpu_to_le32(ns->nsid);
516 	if (nvmet_ns_revalidate(req->ns)) {
517 		mutex_lock(&req->ns->subsys->lock);
518 		nvmet_ns_changed(req->ns->subsys, req->ns->nsid);
519 		mutex_unlock(&req->ns->subsys->lock);
527 		cpu_to_le64(req->ns->size >> req->ns->blksize_shift);
528 	switch (req->port->ana_state[req->ns->anagrpid]) {
537 	if (req->ns->bdev)
538 		nvmet_bdev_set_limits(req->ns->bdev, id);
552 	id->anagrpid = cpu_to_le32(req->ns->anagrpid);
554 	memcpy(&id->nguid, &req->ns->nguid, sizeof(id->nguid));
556 	id->lbaf[0].ds = req->ns->blksize_shift;
558 	if (req->sq->ctrl->pi_support && nvmet_ns_has_pi(req->ns)) {
563 		id->dps = req->ns->pi_type;
565 		id->lbaf[0].ms = cpu_to_le16(req->ns->metadata_size);
568 	if (req->ns->readonly)
583 	struct nvmet_ns *ns;
596 	xa_for_each(&ctrl->subsys->namespaces, idx, ns) {
597 		if (ns->nsid <= min_nsid)
599 		list[i++] = cpu_to_le32(ns->nsid);
642 	if (memchr_inv(&req->ns->uuid, 0, sizeof(req->ns->uuid))) {
645 						  &req->ns->uuid, &off);
649 	if (memchr_inv(req->ns->nguid, 0, sizeof(req->ns->nguid))) {
652 						  &req->ns->nguid, &off);
659 					  &req->ns->csi, &off);
749 	if (req->ns->file)
755 		pr_err("write protect flush failed nsid: %u\n", req->ns->nsid);
772 		req->ns->readonly = true;
775 			req->ns->readonly = false;
778 		req->ns->readonly = false;
786 		nvmet_ns_changed(subsys, req->ns->nsid);
873 	if (req->ns->readonly == true)