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From: Dan Williams <dan.j.williams@intel.com>
To: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
Cc: linux-nvdimm <linux-nvdimm@lists.01.org>
Subject: Re: [PATCH v9 0/7] Mark the namespace disabled on pfn superblock mismatch
Date: Fri, 6 Sep 2019 10:49:05 -0700	[thread overview]
Message-ID: <CAPcyv4jsDeZ27cfCQbeNtwxWhaUb-nT-U=mQnMM18GL7yxc7RQ@mail.gmail.com> (raw)
Message-ID: <20190906174905.65vre-ZzR1yzOvOQxUcvVBqdl4EaDdXAkWsqFfO0ThE@z> (raw)
In-Reply-To: <20190905154603.10349-1-aneesh.kumar@linux.ibm.com>

On Thu, Sep 5, 2019 at 8:46 AM Aneesh Kumar K.V
<aneesh.kumar@linux.ibm.com> wrote:
>
> We add new members to pfn superblock (PAGE_SIZE and struct page size) in this series.
> This is now checked while initializing the namespace. If we find a mismatch we mark
> the namespace disabled.
>
> This series also handle configs where hugepage support is not enabled by default.
> This can result in different align restrictions for dax namespace. We mark the
> dax namespace disabled if we find the alignment not supported.
>
> Changes from v8:
> * updated patch 7 for addressing review feedback
>
> Changes from v6:
> * Formatting changes
>
> Changes from v5:
> * Split patch 3
> * Update commit message
> * Add MAX_STRUCT_PAGE_SIZE with value 64 and use that when allocating reserve block
> * Add BUILD_BUG_ON if we find sizeof(struct page) > 64
>
>
>
> Aneesh Kumar K.V (6):
>   libnvdimm/pmem: Advance namespace seed for specific probe errors
>   libnvdimm/pfn_dev: Add a build check to make sure we notice when
>     struct page size change
>   libnvdimm/pfn_dev: Add page size and struct page size to pfn
>     superblock
>   libnvdimm/label: Remove the dpa align check
>   libnvdimm: Use PAGE_SIZE instead of SZ_4K for align check
>   libnvdimm/dax: Pick the right alignment default when creating dax
>     devices
>
> Dan Williams (1):
>   libnvdimm/region: Rewrite _probe_success() to _advance_seeds()
>
>  drivers/nvdimm/bus.c            |   8 +--
>  drivers/nvdimm/label.c          |   5 --
>  drivers/nvdimm/namespace_devs.c |  40 +++++++++---
>  drivers/nvdimm/nd-core.h        |   3 +-
>  drivers/nvdimm/nd.h             |  10 +--
>  drivers/nvdimm/pfn.h            |   5 +-
>  drivers/nvdimm/pfn_devs.c       | 110 +++++++++++++++++++++++++-------
>  drivers/nvdimm/pmem.c           |  29 +++++++--
>  drivers/nvdimm/region_devs.c    |  76 ++++------------------
>  include/linux/huge_mm.h         |   7 +-
>  10 files changed, 176 insertions(+), 117 deletions(-)

Looks good, 0day has no complaints and this passes all the current
unit tests. I'll get it pushed out for v5.4 consideration. Thanks
Aneesh!
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  parent reply	other threads:[~2019-09-06 17:49 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-05 15:45 [PATCH v9 0/7] Mark the namespace disabled on pfn superblock mismatch Aneesh Kumar K.V
     [not found] ` <20190905154603.10349-1-aneesh.kumar-tEXmvtCZX7AybS5Ee8rs3A@public.gmane.org>
2019-09-05 15:45   ` [PATCH v9 1/7] libnvdimm/region: Rewrite _probe_success() to _advance_seeds() Aneesh Kumar K.V
2019-09-05 15:45   ` [PATCH v9 2/7] libnvdimm/pmem: Advance namespace seed for specific probe errors Aneesh Kumar K.V
2019-09-05 15:45   ` [PATCH v9 3/7] libnvdimm/pfn_dev: Add a build check to make sure we notice when struct page size change Aneesh Kumar K.V
2019-09-05 15:46   ` [PATCH v9 4/7] libnvdimm/pfn_dev: Add page size and struct page size to pfn superblock Aneesh Kumar K.V
2019-09-05 15:46   ` [PATCH v9 5/7] libnvdimm/label: Remove the dpa align check Aneesh Kumar K.V
2019-09-05 15:46   ` [PATCH v9 6/7] libnvdimm: Use PAGE_SIZE instead of SZ_4K for " Aneesh Kumar K.V
2019-09-05 15:46   ` [PATCH v9 7/7] libnvdimm/dax: Pick the right alignment default when creating dax devices Aneesh Kumar K.V
2019-09-06 17:49   ` Dan Williams [this message]
2019-09-06 17:49     ` [PATCH v9 0/7] Mark the namespace disabled on pfn superblock mismatch Dan Williams

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