19 int nvmet_bdev_ns_enable(struct nvmet_ns *ns)  in nvmet_bdev_ns_enable()  argument
23 	ns->bdev = blkdev_get_by_path(ns->device_path,  in nvmet_bdev_ns_enable()
25 	if (IS_ERR(ns->bdev)) {  in nvmet_bdev_ns_enable()
26 		ret = PTR_ERR(ns->bdev);  in nvmet_bdev_ns_enable()
29 					ns->device_path, PTR_ERR(ns->bdev));  in nvmet_bdev_ns_enable()
31 		ns->bdev = NULL;  in nvmet_bdev_ns_enable()
34 	ns->size = i_size_read(ns->bdev->bd_inode);  in nvmet_bdev_ns_enable()
35 	ns->blksize_shift = blksize_bits(bdev_logical_block_size(ns->bdev));  in nvmet_bdev_ns_enable()
39 void nvmet_bdev_ns_disable(struct nvmet_ns *ns)  in nvmet_bdev_ns_disable()  argument
41 	if (ns->bdev) {  in nvmet_bdev_ns_disable()
42 		blkdev_put(ns->bdev, FMODE_WRITE | FMODE_READ);  in nvmet_bdev_ns_disable()
43 		ns->bdev = NULL;  in nvmet_bdev_ns_disable()
82 	sector <<= (req->ns->blksize_shift - 9);  in nvmet_bdev_execute_rw()
85 	bio_set_dev(bio, req->ns->bdev);  in nvmet_bdev_execute_rw()
97 			bio_set_dev(bio, req->ns->bdev);  in nvmet_bdev_execute_rw()
111 	blk_poll(bdev_get_queue(req->ns->bdev), cookie);  in nvmet_bdev_execute_rw()
119 	bio_set_dev(bio, req->ns->bdev);  in nvmet_bdev_execute_flush()
129 	if (blkdev_issue_flush(req->ns->bdev, GFP_KERNEL, NULL))  in nvmet_bdev_flush()
134 static u16 nvmet_bdev_discard_range(struct nvmet_ns *ns,  in nvmet_bdev_discard_range()  argument
139 	ret = __blkdev_issue_discard(ns->bdev,  in nvmet_bdev_discard_range()
140 			le64_to_cpu(range->slba) << (ns->blksize_shift - 9),  in nvmet_bdev_discard_range()
141 			le32_to_cpu(range->nlb) << (ns->blksize_shift - 9),  in nvmet_bdev_discard_range()
161 		status = nvmet_bdev_discard_range(req->ns, &range, &bio);  in nvmet_bdev_execute_discard()
204 		(req->ns->blksize_shift - 9);  in nvmet_bdev_execute_write_zeroes()
206 		(req->ns->blksize_shift - 9));  in nvmet_bdev_execute_write_zeroes()
208 	if (__blkdev_issue_zeroout(req->ns->bdev, sector, nr_sector,  in nvmet_bdev_execute_write_zeroes()