51 void nvmet_bdev_ns_disable(struct nvmet_ns *ns)  in nvmet_bdev_ns_disable()  argument
53 	if (ns->bdev) {  in nvmet_bdev_ns_disable()
54 		blkdev_put(ns->bdev, NULL);  in nvmet_bdev_ns_disable()
55 		ns->bdev = NULL;  in nvmet_bdev_ns_disable()
59 static void nvmet_bdev_ns_enable_integrity(struct nvmet_ns *ns)  in nvmet_bdev_ns_enable_integrity()  argument
61 	struct blk_integrity *bi = bdev_get_integrity(ns->bdev);  in nvmet_bdev_ns_enable_integrity()
64 		ns->metadata_size = bi->tuple_size;  in nvmet_bdev_ns_enable_integrity()
66 			ns->pi_type = NVME_NS_DPS_PI_TYPE1;  in nvmet_bdev_ns_enable_integrity()
68 			ns->pi_type = NVME_NS_DPS_PI_TYPE3;  in nvmet_bdev_ns_enable_integrity()
71 			ns->metadata_size = 0;  in nvmet_bdev_ns_enable_integrity()
75 int nvmet_bdev_ns_enable(struct nvmet_ns *ns)  in nvmet_bdev_ns_enable()  argument
84 	if (ns->buffered_io)  in nvmet_bdev_ns_enable()
87 	ns->bdev = blkdev_get_by_path(ns->device_path,  in nvmet_bdev_ns_enable()
89 	if (IS_ERR(ns->bdev)) {  in nvmet_bdev_ns_enable()
90 		ret = PTR_ERR(ns->bdev);  in nvmet_bdev_ns_enable()
93 					ns->device_path, PTR_ERR(ns->bdev));  in nvmet_bdev_ns_enable()
95 		ns->bdev = NULL;  in nvmet_bdev_ns_enable()
98 	ns->size = bdev_nr_bytes(ns->bdev);  in nvmet_bdev_ns_enable()
99 	ns->blksize_shift = blksize_bits(bdev_logical_block_size(ns->bdev));  in nvmet_bdev_ns_enable()
101 	ns->pi_type = 0;  in nvmet_bdev_ns_enable()
102 	ns->metadata_size = 0;  in nvmet_bdev_ns_enable()
104 		nvmet_bdev_ns_enable_integrity(ns);  in nvmet_bdev_ns_enable()
106 	if (bdev_is_zoned(ns->bdev)) {  in nvmet_bdev_ns_enable()
107 		if (!nvmet_bdev_zns_enable(ns)) {  in nvmet_bdev_ns_enable()
108 			nvmet_bdev_ns_disable(ns);  in nvmet_bdev_ns_enable()
111 		ns->csi = NVME_CSI_ZNS;  in nvmet_bdev_ns_enable()
117 void nvmet_bdev_ns_revalidate(struct nvmet_ns *ns)  in nvmet_bdev_ns_revalidate()  argument
119 	ns->size = bdev_nr_bytes(ns->bdev);  in nvmet_bdev_ns_revalidate()
196 	bi = bdev_get_integrity(req->ns->bdev);  in nvmet_bdev_alloc_bip()
274 	sector = nvmet_lba_to_sect(req->ns, req->cmd->rw.slba);  in nvmet_bdev_execute_rw()
278 		bio_init(bio, req->ns->bdev, req->inline_bvec,  in nvmet_bdev_execute_rw()
281 		bio = bio_alloc(req->ns->bdev, bio_max_segs(sg_cnt), opf,  in nvmet_bdev_execute_rw()
307 			bio = bio_alloc(req->ns->bdev, bio_max_segs(sg_cnt),  in nvmet_bdev_execute_rw()
335 	if (!bdev_write_cache(req->ns->bdev)) {  in nvmet_bdev_execute_flush()
343 	bio_init(bio, req->ns->bdev, req->inline_bvec,  in nvmet_bdev_execute_flush()
353 	if (!bdev_write_cache(req->ns->bdev))  in nvmet_bdev_flush()
356 	if (blkdev_issue_flush(req->ns->bdev))  in nvmet_bdev_flush()
364 	struct nvmet_ns *ns = req->ns;  in nvmet_bdev_discard_range()  local
367 	ret = __blkdev_issue_discard(ns->bdev,  in nvmet_bdev_discard_range()
368 			nvmet_lba_to_sect(ns, range->slba),  in nvmet_bdev_discard_range()
369 			le32_to_cpu(range->nlb) << (ns->blksize_shift - 9),  in nvmet_bdev_discard_range()
437 	sector = nvmet_lba_to_sect(req->ns, write_zeroes->slba);  in nvmet_bdev_execute_write_zeroes()
439 		(req->ns->blksize_shift - 9));  in nvmet_bdev_execute_write_zeroes()
441 	ret = __blkdev_issue_zeroout(req->ns->bdev, sector, nr_sector,  in nvmet_bdev_execute_write_zeroes()
458 		if (req->sq->ctrl->pi_support && nvmet_ns_has_pi(req->ns))  in nvmet_bdev_parse_io_cmd()