{
struct btt *btt = bdev->bd_disk->private_data;
- btt_do_bvec(btt, NULL, page, PAGE_CACHE_SIZE, 0, rw, sector);
+ btt_do_bvec(btt, NULL, page, PAGE_SIZE, 0, rw, sector);
page_endio(page, rw & WRITE, 0);
return 0;
}
struct btt *btt;
size_t rawsize;
- if (!nd_btt->uuid || !nd_btt->ndns || !nd_btt->lbasize)
+ if (!nd_btt->uuid || !nd_btt->ndns || !nd_btt->lbasize) {
+ dev_dbg(&nd_btt->dev, "incomplete btt configuration\n");
return -ENODEV;
+ }
rawsize = nvdimm_namespace_capacity(ndns) - SZ_4K;
if (rawsize < ARENA_MIN_SIZE) {
+ dev_dbg(&nd_btt->dev, "%s must be at least %ld bytes\n",
+ dev_name(&ndns->dev), ARENA_MIN_SIZE + SZ_4K);
return -ENXIO;
}
nd_region = to_nd_region(nd_btt->dev.parent);