Commit 9dec4892 authored by Dan Williams's avatar Dan Williams

libnvdimm, btt: add btt startup debug

Report the reason for btt probe failures when debug is enabled.
Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent 82595423
......@@ -1388,11 +1388,15 @@ int nvdimm_namespace_attach_btt(struct nd_namespace_common *ndns)
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);
......
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