A pmem region that does not have any associated dimm mappings is still a
x1 interleave width by definition. Given that tooling does division by
interleave-ways, return 1 as a minimum so that users do not need to
check for the zero case.
If a user instead wants to know the number of mapping entries
If we don't check the size is properly aligned then the kernel will
cause the create-namespace request to abort. When the size is not
properly aligned suggest an alternative (rounded to the same units that
user specified) and bail out early without disturbing the current
configuration.
Signed-off-
In preparation for suggesting namespace sizes that satisfy alignment
requirements, add the ability to track the size suffix. The suggestions
will be aligned to the size suffix by default.
Signed-off-by: Dan Williams
---
util/size.c | 18 +-
1 file changed, 17 insertions(+), 1 d
Signed-off-by: Dan Williams
---
ndctl.spec.in |8 +++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/ndctl.spec.in b/ndctl.spec.in
index 6453edd1954c..b4817622e0b2 100644
--- a/ndctl.spec.in
+++ b/ndctl.spec.in
@@ -114,9 +114,15 @@ make check
%defattr(-,root,root)
%licens
Close some holes in namespace creation that allowed invalid
configurations to leak through to the kernel rather than trapping and
warning about them earlier.
Add a man page and rpm specfile support for the recently added daxctl
utility.
---
Dan Williams (9):
ndctl, create-namespace: skip i
Let validate_namespace_options() check that the region is enabled before
allowing namespace creation to proceed.
Signed-off-by: Dan Williams
---
ndctl/builtin-xaction-namespace.c | 17 +
1 file changed, 13 insertions(+), 4 deletions(-)
diff --git a/ndctl/builtin-xaction-namesp
Distinguish failure to find suitable capacity with failures due to
missing capabilities in the kernel.
Signed-off-by: Dan Williams
---
ndctl/builtin-xaction-namespace.c | 20 ++--
1 file changed, 14 insertions(+), 6 deletions(-)
diff --git a/ndctl/builtin-xaction-namespace.c
Document the 'daxctl list' command which emits the details of the
Device-DAX regions and device instances in the system:
# daxctl list -DRi
{
"id":1,
"devices":[
{
"chardev":"dax1.0",
"size":3233808384
}
]
}
Signed-off-by: Dan Williams
---
Documenta
When memory-mode support was added to the kernel it also included a
facility to set the alignment of the namespace. By default it is set to
2M, but 4K and 1G are also valid options. Add this support to the
utility. As Dave notes, this is prompted by the desire to add test
support for device-dax usi
Treat blk regions as invalid capacity when the mode is a pmem-only mode
type.
Signed-off-by: Dan Williams
---
ndctl/builtin-xaction-namespace.c | 18 ++
1 file changed, 10 insertions(+), 8 deletions(-)
diff --git a/ndctl/builtin-xaction-namespace.c
b/ndctl/builtin-xaction-nam
Exciting Searches for January
(1) NLP/Machine-Learning Data Scientist (Pleasanton, CA):
My client has remained at the center of scientific discovery for more than 50
years, manufacturing and distributing a broad range of products for the life
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On Mon, 2017-01-09 at 14:00 -0800, Dan Williams wrote:
> On Mon, Jan 9, 2017 at 1:56 PM, Vishal Verma > wrote:
> > On 01/06, Dan Williams wrote:
> > > * The 'ndctl list' command awkwardly prints out all the
> > > corresponding
> > > device-dax information when a namespace is in 'dax' mode.
> > >
On 01/06, Dan Williams wrote:
> * The 'ndctl list' command awkwardly prints out all the corresponding
> device-dax information when a namespace is in 'dax' mode. Conversely if
> someone is only interested in listing device-dax information they need to
> contend with libnvdimm data.
>
> Int
On Mon, Jan 9, 2017 at 1:56 PM, Vishal Verma wrote:
> On 01/06, Dan Williams wrote:
>> * The 'ndctl list' command awkwardly prints out all the corresponding
>> device-dax information when a namespace is in 'dax' mode. Conversely if
>> someone is only interested in listing device-dax informatio
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