linux-kernel - [PATCH 2/8 linux-next] libnvdimm, namespace: add verbosity to persistence warning

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Message-Id: <1480706413-21004-1-git-send-email-fabf@skynet.be>
Date:   Fri,  2 Dec 2016 20:20:13 +0100
From:   Fabian Frederick <fabf@...net.be>
To:     Dan Williams <dan.j.williams@...el.com>
Cc:     linux-nvdimm@...ts.01.org, linux-kernel@...r.kernel.org,
        fabf@...net.be
Subject: [PATCH 2/8 linux-next] libnvdimm, namespace: add verbosity to persistence warning

Signed-off-by: Fabian Frederick <fabf@...net.be>
---
 drivers/nvdimm/pmem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
index 2461843..822a712 100644
--- a/drivers/nvdimm/pmem.c
+++ b/drivers/nvdimm/pmem.c
@@ -267,7 +267,7 @@ static int pmem_attach_disk(struct device *dev,
 	pmem->phys_addr = res->start;
 	pmem->size = resource_size(res);
 	if (nvdimm_has_flush(nd_region) < 0)
-		dev_warn(dev, "unable to guarantee persistence of writes\n");
+		dev_warn(dev, "unable to guarantee persistence of writes due to unknown flushing capability of the memory region\n");
 
 	if (!devm_request_mem_region(dev, res->start, resource_size(res),
 				dev_name(dev))) {
-- 
2.7.4