在 2022/4/8 9:38, Dan Williams 写道:
[ add Mauro and Tony for RAS discussion ]
On Wed, Apr 6, 2022 at 1:39 PM Darrick J. Wong wrote:
On Tue, Apr 05, 2022 at 06:22:48PM -0700, Dan Williams wrote:
On Tue, Apr 5, 2022 at 5:55 PM Jane Chu wrote:
On 3/30/2022 9:18 AM, Darrick J. Wong wrote:
[ add Mauro and Tony for RAS discussion ]
On Wed, Apr 6, 2022 at 1:39 PM Darrick J. Wong wrote:
>
> On Tue, Apr 05, 2022 at 06:22:48PM -0700, Dan Williams wrote:
> > On Tue, Apr 5, 2022 at 5:55 PM Jane Chu wrote:
> > >
> > > On 3/30/2022 9:18 AM, Darrick J. Wong wrote:
> > > > On Wed, Mar 30,
On Tue, Apr 05, 2022 at 06:22:48PM -0700, Dan Williams wrote:
> On Tue, Apr 5, 2022 at 5:55 PM Jane Chu wrote:
> >
> > On 3/30/2022 9:18 AM, Darrick J. Wong wrote:
> > > On Wed, Mar 30, 2022 at 08:49:29AM -0700, Christoph Hellwig wrote:
> > >> On Wed, Mar 30, 2022 at 06:58:21PM +0800, Shiyang
On Tue, Apr 5, 2022 at 5:55 PM Jane Chu wrote:
>
> On 3/30/2022 9:18 AM, Darrick J. Wong wrote:
> > On Wed, Mar 30, 2022 at 08:49:29AM -0700, Christoph Hellwig wrote:
> >> On Wed, Mar 30, 2022 at 06:58:21PM +0800, Shiyang Ruan wrote:
> >>> As the code I pasted before, pmem driver will subtract
On 3/30/2022 9:18 AM, Darrick J. Wong wrote:
> On Wed, Mar 30, 2022 at 08:49:29AM -0700, Christoph Hellwig wrote:
>> On Wed, Mar 30, 2022 at 06:58:21PM +0800, Shiyang Ruan wrote:
>>> As the code I pasted before, pmem driver will subtract its ->data_offset,
>>> which is byte-based. And the
On Wed, Mar 30, 2022 at 08:49:29AM -0700, Christoph Hellwig wrote:
> On Wed, Mar 30, 2022 at 06:58:21PM +0800, Shiyang Ruan wrote:
> > As the code I pasted before, pmem driver will subtract its ->data_offset,
> > which is byte-based. And the filesystem who implements ->notify_failure()
> > will
On Wed, Mar 30, 2022 at 06:58:21PM +0800, Shiyang Ruan wrote:
> As the code I pasted before, pmem driver will subtract its ->data_offset,
> which is byte-based. And the filesystem who implements ->notify_failure()
> will calculate the offset in unit of byte again.
>
> So, leave its function
在 2022/3/30 18:13, Christoph Hellwig 写道:
On Wed, Mar 30, 2022 at 06:03:01PM +0800, Shiyang Ruan wrote:
Because I am not sure if the offset between each layer is page aligned. For
example, when pmem dirver handles ->memory_failure(), it should subtract its
->data_offset when it calls
On Wed, Mar 30, 2022 at 06:03:01PM +0800, Shiyang Ruan wrote:
>
> Because I am not sure if the offset between each layer is page aligned. For
> example, when pmem dirver handles ->memory_failure(), it should subtract its
> ->data_offset when it calls dax_holder_notify_failure().
If they aren't,
在 2022/3/30 13:41, Christoph Hellwig 写道:
On Wed, Mar 16, 2022 at 09:46:07PM +0800, Shiyang Ruan wrote:
Forgive me if this has been discussed before, but since dax_operations
are in terms of pgoff and nr pages and memory_failure() is in terms of
pfns what was the rationale for making the
On Wed, Mar 16, 2022 at 09:46:07PM +0800, Shiyang Ruan wrote:
> > Forgive me if this has been discussed before, but since dax_operations
> > are in terms of pgoff and nr pages and memory_failure() is in terms of
> > pfns what was the rationale for making the function signature byte
> > based?
>
>
On Fri, Mar 11, 2022 at 03:35:13PM -0800, Dan Williams wrote:
> > + if (!dax_dev->holder_ops) {
> > + rc = -EOPNOTSUPP;
>
> I think it is ok to return success (0) for this case. All the caller
> of dax_holder_notify_failure() wants to know is if the notification
> was
在 2022/3/12 7:35, Dan Williams 写道:
On Sun, Feb 27, 2022 at 4:08 AM Shiyang Ruan wrote:
To easily track filesystem from a pmem device, we introduce a holder for
dax_device structure, and also its operation. This holder is used to
remember who is using this dax_device:
- When it is the
On Sun, Feb 27, 2022 at 4:08 AM Shiyang Ruan wrote:
>
> To easily track filesystem from a pmem device, we introduce a holder for
> dax_device structure, and also its operation. This holder is used to
> remember who is using this dax_device:
> - When it is the backend of a filesystem, the holder
To easily track filesystem from a pmem device, we introduce a holder for
dax_device structure, and also its operation. This holder is used to
remember who is using this dax_device:
- When it is the backend of a filesystem, the holder will be the
instance of this filesystem.
- When this pmem
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