From: Dan Williams <dan.j.williams@intel.com>
To: linux-nvdimm@ml01.01.org
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH 8/8] dax: add debug for region available_size
Date: Sat, 10 Dec 2016 22:29:07 -0800 [thread overview]
Message-ID: <148143774706.10950.14457441051651852899.stgit@dwillia2-desk3.amr.corp.intel.com> (raw)
In-Reply-To: <148143770485.10950.13227732273892953675.stgit@dwillia2-desk3.amr.corp.intel.com>
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);
next prev parent reply other threads:[~2016-12-11 6:33 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-11 6:28 [PATCH 0/8] device-dax: sub-division support Dan Williams
2016-12-11 6:28 ` [PATCH 1/8] dax: add region-available-size attribute Dan Williams
2016-12-14 14:38 ` Johannes Thumshirn
2016-12-14 15:53 ` Dan Williams
2016-12-15 6:47 ` Dan Williams
2016-12-11 6:28 ` [PATCH 2/8] dax: add region 'id', 'size', and 'align' attributes Dan Williams
2016-12-11 6:28 ` [PATCH 3/8] dax: register seed device Dan Williams
2016-12-11 6:28 ` [PATCH 4/8] dax: use multi-order radix for resource lookup Dan Williams
2016-12-11 6:28 ` [PATCH 5/8] dax: refactor locking out of size calculation routines Dan Williams
2016-12-14 15:01 ` Johannes Thumshirn
2016-12-14 15:55 ` Dan Williams
2016-12-11 6:28 ` [PATCH 6/8] dax: sub-division support Dan Williams
2016-12-11 6:29 ` [PATCH 7/8] dax: add / remove dax devices after provisioning Dan Williams
2016-12-11 6:29 ` Dan Williams [this message]
2016-12-12 17:15 ` [PATCH 0/8] device-dax: sub-division support Jeff Moyer
2016-12-12 18:46 ` Dan Williams
2016-12-13 23:46 ` Jeff Moyer
2016-12-14 1:17 ` Dan Williams
2016-12-15 16:50 ` Jeff Moyer
2016-12-15 23:48 ` Dan Williams
2016-12-16 2:33 ` Dan Williams
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=148143774706.10950.14457441051651852899.stgit@dwillia2-desk3.amr.corp.intel.com \
--to=dan.j.williams@intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-nvdimm@ml01.01.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).