931 		struct block_device *bdev = device->ldev->backing_bdev;  in drbd_send_sizes()  local
932 		struct request_queue *q = bdev_get_queue(bdev);  in drbd_send_sizes()
942 			cpu_to_be32(bdev_physical_block_size(bdev));  in drbd_send_sizes()
944 			cpu_to_be32(bdev_logical_block_size(bdev));  in drbd_send_sizes()
946 			cpu_to_be32(bdev_alignment_offset(bdev));  in drbd_send_sizes()
947 		p->qlim->io_min = cpu_to_be32(bdev_io_min(bdev));  in drbd_send_sizes()
948 		p->qlim->io_opt = cpu_to_be32(bdev_io_opt(bdev));  in drbd_send_sizes()
949 		p->qlim->discard_enabled = !!bdev_max_discard_sectors(bdev);  in drbd_send_sizes()
3114 static int check_offsets_and_sizes(struct drbd_device *device, struct drbd_backing_dev *bdev)  in check_offsets_and_sizes()  argument
3116 	sector_t capacity = drbd_get_capacity(bdev->md_bdev);  in check_offsets_and_sizes()
3117 	struct drbd_md *in_core = &bdev->md;  in check_offsets_and_sizes()
3156 	if (capacity - in_core->md_size_sect < drbd_md_first_sector(bdev))  in check_offsets_and_sizes()
3205 int drbd_md_read(struct drbd_device *device, struct drbd_backing_dev *bdev)  in drbd_md_read()  argument
3220 	bdev->md.meta_dev_idx = bdev->disk_conf->meta_dev_idx;  in drbd_md_read()
3221 	bdev->md.md_offset = drbd_md_ss(bdev);  in drbd_md_read()
3225 	bdev->md.md_size_sect = 8;  in drbd_md_read()
3227 	if (drbd_md_sync_page_io(device, bdev, bdev->md.md_offset,  in drbd_md_read()
3263 	bdev->md.la_size_sect = be64_to_cpu(buffer->la_size_sect);  in drbd_md_read()
3265 		bdev->md.uuid[i] = be64_to_cpu(buffer->uuid[i]);  in drbd_md_read()
3266 	bdev->md.flags = be32_to_cpu(buffer->flags);  in drbd_md_read()
3267 	bdev->md.device_uuid = be64_to_cpu(buffer->device_uuid);  in drbd_md_read()
3269 	bdev->md.md_size_sect = be32_to_cpu(buffer->md_size_sect);  in drbd_md_read()
3270 	bdev->md.al_offset = be32_to_cpu(buffer->al_offset);  in drbd_md_read()
3271 	bdev->md.bm_offset = be32_to_cpu(buffer->bm_offset);  in drbd_md_read()
3273 	if (check_activity_log_stripe_size(device, buffer, &bdev->md))  in drbd_md_read()
3275 	if (check_offsets_and_sizes(device, bdev))  in drbd_md_read()
3278 	if (be32_to_cpu(buffer->bm_offset) != bdev->md.bm_offset) {  in drbd_md_read()
3280 		    be32_to_cpu(buffer->bm_offset), bdev->md.bm_offset);  in drbd_md_read()
3283 	if (be32_to_cpu(buffer->md_size_sect) != bdev->md.md_size_sect) {  in drbd_md_read()
3285 		    be32_to_cpu(buffer->md_size_sect), bdev->md.md_size_sect);  in drbd_md_read()
3588 int drbd_md_test_flag(struct drbd_backing_dev *bdev, int flag)  in drbd_md_test_flag()  argument
3590 	return (bdev->md.flags & flag) != 0;  in drbd_md_test_flag()