30 	return &arena->nd_btt->dev;  in to_dev()
33 static u64 adjust_initial_offset(struct nd_btt *nd_btt, u64 offset)  in adjust_initial_offset()  argument
35 	return offset + nd_btt->initial_offset;  in adjust_initial_offset()
41 	struct nd_btt *nd_btt = arena->nd_btt;  in arena_read_bytes()  local
42 	struct nd_namespace_common *ndns = nd_btt->ndns;  in arena_read_bytes()
45 	offset = adjust_initial_offset(nd_btt, offset);  in arena_read_bytes()
52 	struct nd_btt *nd_btt = arena->nd_btt;  in arena_write_bytes()  local
53 	struct nd_namespace_common *ndns = nd_btt->ndns;  in arena_write_bytes()
56 	offset = adjust_initial_offset(nd_btt, offset);  in arena_write_bytes()
261 	btt->debugfs_dir = debugfs_create_dir(dev_name(&btt->nd_btt->dev),  in btt_debugfs_init()
756 	arena->nd_btt = btt->nd_btt;  in alloc_arena()
769 	arena->version_major = btt->nd_btt->version_major;  in alloc_arena()
770 	arena->version_minor = btt->nd_btt->version_minor;  in alloc_arena()
874 		if (!nd_btt_arena_is_valid(btt->nd_btt, super)) {  in discover_arenas()
975 	struct nd_btt *nd_btt = arena->nd_btt;  in btt_arena_write_layout()  local
976 	const u8 *parent_uuid = nd_dev_to_uuid(&nd_btt->ndns->dev);  in btt_arena_write_layout()
991 	memcpy(super->uuid, nd_btt->uuid, 16);  in btt_arena_write_layout()
1304 	u64 nsoff = adjust_initial_offset(arena->nd_btt,  in btt_is_badblock()
1464 			dev_err_ratelimited(&btt->nd_btt->dev,  in btt_submit_bio()
1473 			dev_err(&btt->nd_btt->dev,  in btt_submit_bio()
1521 	struct nd_btt *nd_btt = btt->nd_btt;  in btt_blk_init()  local
1522 	struct nd_namespace_common *ndns = nd_btt->ndns;  in btt_blk_init()
1547 	device_add_disk(&btt->nd_btt->dev, btt->btt_disk, NULL);  in btt_blk_init()
1548 	btt->nd_btt->size = btt->nlba * (u64)btt->sector_size;  in btt_blk_init()
1577 static struct btt *btt_init(struct nd_btt *nd_btt, unsigned long long rawsize,  in btt_init()  argument
1583 	struct device *dev = &nd_btt->dev;  in btt_init()
1589 	btt->nd_btt = nd_btt;  in btt_init()
1596 	nsio = to_nd_namespace_io(&nd_btt->ndns->dev);  in btt_init()
1659 	struct nd_btt *nd_btt = to_nd_btt(ndns->claim);  in nvdimm_namespace_attach_btt()  local
1666 	if (!nd_btt->uuid || !nd_btt->ndns || !nd_btt->lbasize) {  in nvdimm_namespace_attach_btt()
1667 		dev_dbg(&nd_btt->dev, "incomplete btt configuration\n");  in nvdimm_namespace_attach_btt()
1671 	btt_sb = devm_kzalloc(&nd_btt->dev, sizeof(*btt_sb), GFP_KERNEL);  in nvdimm_namespace_attach_btt()
1676 	rc = devm_namespace_enable(&nd_btt->dev, ndns, size);  in nvdimm_namespace_attach_btt()
1686 	nd_btt_version(nd_btt, ndns, btt_sb);  in nvdimm_namespace_attach_btt()
1688 	rawsize = size - nd_btt->initial_offset;  in nvdimm_namespace_attach_btt()
1690 		dev_dbg(&nd_btt->dev, "%s must be at least %ld bytes\n",  in nvdimm_namespace_attach_btt()
1692 				ARENA_MIN_SIZE + nd_btt->initial_offset);  in nvdimm_namespace_attach_btt()
1695 	nd_region = to_nd_region(nd_btt->dev.parent);  in nvdimm_namespace_attach_btt()
1696 	btt = btt_init(nd_btt, rawsize, nd_btt->lbasize, nd_btt->uuid,  in nvdimm_namespace_attach_btt()
1700 	nd_btt->btt = btt;  in nvdimm_namespace_attach_btt()
1706 int nvdimm_namespace_detach_btt(struct nd_btt *nd_btt)  in nvdimm_namespace_detach_btt()  argument
1708 	struct btt *btt = nd_btt->btt;  in nvdimm_namespace_detach_btt()
1711 	nd_btt->btt = NULL;  in nvdimm_namespace_detach_btt()