Messages in this thread Patch in this message | | | Subject | [PATCH 8/8] dax: add debug for region available_size | From | Dan Williams <> | Date | Sat, 10 Dec 2016 22:29:07 -0800 |
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Add dynamic debug statements to dump the per-dax-dev resource allocations and device offsets.
Signed-off-by: Dan Williams <dan.j.williams@intel.com> --- drivers/dax/dax.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/dax/dax.c b/drivers/dax/dax.c index b130eff91b83..d1641e69a088 100644 --- a/drivers/dax/dax.c +++ b/drivers/dax/dax.c @@ -97,8 +97,11 @@ static unsigned long long dax_region_avail_size( WARN_ON_ONCE(!mutex_is_locked(&dax_region->lock)); size = resource_size(&dax_region->res); - for_each_dax_region_resource(dax_region, res) + for_each_dax_region_resource(dax_region, res) { + dev_dbg(dax_region->dev, "%s: %pr offset: %lx\n", + res->name, res, res->desc); size -= resource_size(res); + } return size; } @@ -372,6 +375,7 @@ struct dax_region *alloc_dax_region(struct device *parent, int region_id, dax_region->res.name = dev_name(parent); dax_region->res.start = res->start; dax_region->res.end = res->end; + dax_region->res.flags = IORESOURCE_MEM; dax_region->pfn_flags = pfn_flags; mutex_init(&dax_region->lock); kref_init(&dax_region->kref);
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