nvme/target/zns.c

35 bool nvmet_bdev_zns_enable(struct nvmet_ns *ns)
37 	u8 zasl = nvmet_zasl(bdev_max_zone_append_sectors(ns->bdev));
38 	struct gendisk *bd_disk = ns->bdev->bd_disk;
41 	if (ns->subsys->zasl) {
42 		if (ns->subsys->zasl > zasl)
45 	ns->subsys->zasl = zasl;
52 	if (get_capacity(bd_disk) & (bdev_zone_sectors(ns->bdev) - 1))
59 	ret = blkdev_report_zones(ns->bdev, 0, bdev_nr_zones(ns->bdev),
64 	ns->blksize_shift = blksize_bits(bdev_logical_block_size(ns->bdev));
117 	if (nvmet_ns_revalidate(req->ns)) {
118 		mutex_lock(&req->ns->subsys->lock);
119 		nvmet_ns_changed(req->ns->subsys, req->ns->nsid);
120 		mutex_unlock(&req->ns->subsys->lock);
123 	if (!bdev_is_zoned(req->ns->bdev)) {
129 	zsze = (bdev_zone_sectors(req->ns->bdev) << 9) >>
130 					req->ns->blksize_shift;
133 	mor = bdev_max_open_zones(req->ns->bdev);
140 	mar = bdev_max_active_zones(req->ns->bdev);
156 	sector_t sect = nvmet_lba_to_sect(req->ns, req->cmd->zmr.slba);
159 	if (sect >= get_capacity(req->ns->bdev->bd_disk)) {
231 		zdesc.zcap = nvmet_sect_to_lba(rz->req->ns, z->capacity);
232 		zdesc.zslba = nvmet_sect_to_lba(rz->req->ns, z->start);
233 		zdesc.wp = nvmet_sect_to_lba(rz->req->ns, z->wp);
253 	unsigned int sect = nvmet_lba_to_sect(req->ns, req->cmd->zmr.slba);
255 	return bdev_nr_zones(req->ns->bdev) - bdev_zone_no(req->ns->bdev, sect);
270 	sector_t start_sect = nvmet_lba_to_sect(req->ns, req->cmd->zmr.slba);
294 	ret = blkdev_report_zones(req->ns->bdev, start_sect, req_slba_nr_zones,
398 	struct block_device *bdev = req->ns->bdev;
454 		ret = blkdev_zone_mgmt(req->ns->bdev, REQ_OP_ZONE_RESET, 0,
455 				       get_capacity(req->ns->bdev->bd_disk));
475 	sector_t sect = nvmet_lba_to_sect(req->ns, req->cmd->zms.slba);
477 	struct block_device *bdev = req->ns->bdev;
526 			nvmet_sect_to_lba(req->ns, bio->bi_iter.bi_sector);
535 	sector_t sect = nvmet_lba_to_sect(req->ns, req->cmd->rw.slba);
552 	if (sect >= get_capacity(req->ns->bdev->bd_disk)) {
558 	if (sect & (bdev_zone_sectors(req->ns->bdev) - 1)) {
566 		bio_init(bio, req->ns->bdev, req->inline_bvec,
569 		bio = bio_alloc(req->ns->bdev, req->sg_cnt, opf, GFP_KERNEL);