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...lane) ? -EIO : 0; > return rc; > diff --git a/drivers/nvdimm/claim.c b/drivers/nvdimm/claim.c > index fb667bf469c7..13510bae1e6f 100644 > --- a/drivers/nvdimm/claim.c > +++ b/drivers/nvdimm/claim.c > @@ -263,7 +263,7 @@ static int nsio_rw_bytes(struct nd_namespace_common *ndns, > struct nd_namespace_io *nsio = to_nd_namespace_io(&ndns->dev); > unsigned int sz_align = ALIGN(size + (offset & (512 - 1)), 512); > sector_t sector = offset >> 9; > - int rc = 0; > + int rc = 0, ret = 0; > > if (un...

...L); rc = read_blk_stat(nfit_blk, lane) ? -EIO : 0; return rc; diff --git a/drivers/nvdimm/claim.c b/drivers/nvdimm/claim.c index fb667bf469c7..13510bae1e6f 100644 --- a/drivers/nvdimm/claim.c +++ b/drivers/nvdimm/claim.c @@ -263,7 +263,7 @@ static int nsio_rw_bytes(struct nd_namespace_common *ndns, struct nd_namespace_io *nsio = to_nd_namespace_io(&ndns->dev); unsigned int sz_align = ALIGN(size + (offset & (512 - 1)), 512); sector_t sector = offset >> 9; - int rc = 0; + int rc = 0, ret = 0; if (unlikely(!size)) return 0; @@ -301,7 +301,9 @@ static int nsio_rw_by...

...e); rc = read_blk_stat(nfit_blk, lane) ? -EIO : 0; return rc; diff --git a/drivers/nvdimm/claim.c b/drivers/nvdimm/claim.c index fb667bf469c7..a1dfa066786b 100644 --- a/drivers/nvdimm/claim.c +++ b/drivers/nvdimm/claim.c @@ -263,7 +263,7 @@ static int nsio_rw_bytes(struct nd_namespace_common *ndns, struct nd_namespace_io *nsio = to_nd_namespace_io(&ndns->dev); unsigned int sz_align = ALIGN(size + (offset & (512 - 1)), 512); sector_t sector = offset >> 9; - int rc = 0; + int rc = 0, ret = 0; if (unlikely(!size)) return 0; @@ -301,7 +301,9 @@ static int nsio_rw_by...

Hi Dan, Proposing the patch series to be merged via nvdimm tree as kindly agreed by you. We have ack/review on XFS, EXT4 & VIRTIO patches. Incorporated all the changes suggested in v8. This version added a new patch 4 for dax for device mapper change and some minor style changes in patch 2. Kept all the reviews. Request to please merge the series. --- This patch series has

This patch series has implementation for "virtio pmem". "virtio pmem" is fake persistent memory(nvdimm) in guest which allows to bypass the guest page cache. This also implements a VIRTIO based asynchronous flush mechanism. Sharing guest kernel driver in this patchset with the changes suggested in v4. Tested with Qemu side device emulation [6] for virtio-pmem.

This patch series is ready to be merged via nvdimm tree as discussed with Dan. We have ack/review on XFS, EXT4 & VIRTIO patches. Need an ack on device mapper change in patch 4. Mike, Can you please review and ack patch4. This version does not has any additonal code change from v10 and is only rebase of v10 on Linux 5.2-rc4 which is required for patch4. Keeping all the existing

This patch series is ready to be merged via nvdimm tree as discussed with Dan. We have ack/review on XFS, EXT4 & VIRTIO patches. Need an ack on device mapper change in patch 4. Mike, Can you please review patch 4 which has change for dax with device mapper. Incorporated all the changes suggested in v9. This version has minor changes in patch 2(virtio) and does not change the

This patch series is ready to be merged via nvdimm tree as discussed with Dan. We have ack/review on XFS, EXT4 device mapper & VIRTIO patches. This version has fix for test bot build failure. Keeping all the existing r-o-bs. Jakob CCed also tested the patch series and confirmed the working of v9. --- This patch series has implementation for "virtio pmem". "virtio

Hi Dan, This series has only change in patch 2 for linux-next build failure. There is no functional change. Keeping all the existing review/acks and reposting the patch series for merging via libnvdimm tree. --- This patch series has implementation for "virtio pmem". "virtio pmem" is fake persistent memory(nvdimm) in guest which allows to bypass the guest page

This patch series is ready to be merged via nvdimm tree as discussed with Dan. We have ack/review on XFS, EXT4 device mapper & VIRTIO patches. This version has minor changes in patch 2. Keeping all the existing r-o-bs. Jakob CCed also tested the patch series and confirmed the working of v9. --- This patch series has implementation for "virtio pmem". "virtio pmem"

This patch series has implementation for "virtio pmem". "virtio pmem" is fake persistent memory(nvdimm) in guest which allows to bypass the guest page cache. This also implements a VIRTIO based asynchronous flush mechanism. Sharing guest kernel driver in this patchset with the changes suggested in v3. Tested with Qemu side device emulation [6] for virtio-pmem.

This patch series is ready to be merged via nvdimm tree as discussed with Dan. We have ack/review on XFS, EXT4 & VIRTIO patches. Device mapper change is also reviewed. Mike, Can you please provide ack for device mapper change i.e patch4. This version has changed implementation for patch 4 as suggested by 'Mike'. Keeping all the existing r-o-bs. Jakob CCed also tested the

...map) -{ - dev_pagemap_get_ops(); - if (devm_add_action_or_reset(dev, pmem_release_pgmap_ops, pgmap)) - return -ENOMEM; - pgmap->type = MEMORY_DEVICE_FS_DAX; - pgmap->ops = &fsdax_pagemap_ops; - return 0; -} - static int pmem_attach_disk(struct device *dev, struct nd_namespace_common *ndns) { @@ -421,8 +406,8 @@ static int pmem_attach_disk(struct device *dev, pmem->pfn_flags = PFN_DEV; pmem->pgmap.ref = &q->q_usage_counter; if (is_nd_pfn(dev)) { - if (setup_pagemap_fsdax(dev, &pmem->pgmap)) - return -ENOMEM; + pmem->pgmap.type = MEMORY_DEVICE_FS_DAX;...

...map) -{ - dev_pagemap_get_ops(); - if (devm_add_action_or_reset(dev, pmem_release_pgmap_ops, pgmap)) - return -ENOMEM; - pgmap->type = MEMORY_DEVICE_FS_DAX; - pgmap->ops = &fsdax_pagemap_ops; - return 0; -} - static int pmem_attach_disk(struct device *dev, struct nd_namespace_common *ndns) { @@ -423,8 +408,8 @@ static int pmem_attach_disk(struct device *dev, pmem->pfn_flags = PFN_DEV; pmem->pgmap.ref = &q->q_usage_counter; if (is_nd_pfn(dev)) { - if (setup_pagemap_fsdax(dev, &pmem->pgmap)) - return -ENOMEM; + pmem->pgmap.type = MEMORY_DEVICE_FS_DAX;...

...map) -{ - dev_pagemap_get_ops(); - if (devm_add_action_or_reset(dev, pmem_release_pgmap_ops, pgmap)) - return -ENOMEM; - pgmap->type = MEMORY_DEVICE_FS_DAX; - pgmap->ops = &fsdax_pagemap_ops; - return 0; -} - static int pmem_attach_disk(struct device *dev, struct nd_namespace_common *ndns) { @@ -415,8 +400,8 @@ static int pmem_attach_disk(struct device *dev, pmem->pfn_flags = PFN_DEV; pmem->pgmap.ref = &q->q_usage_counter; if (is_nd_pfn(dev)) { - if (setup_pagemap_fsdax(dev, &pmem->pgmap)) - return -ENOMEM; + pmem->pgmap.type = MEMORY_DEVICE_FS_DAX;...

This patch series has implementation for "virtio pmem". "virtio pmem" is fake persistent memory(nvdimm) in guest which allows to bypass the guest page cache. This also implements a VIRTIO based asynchronous flush mechanism. Sharing guest kernel driver in this patchset with the changes suggested in v4. Tested with Qemu side device emulation [6] for virtio-pmem.

...evm_add_action_or_reset(dev, pmem_release_pgmap_ops, pgmap)) > - return -ENOMEM; > - pgmap->type = MEMORY_DEVICE_FS_DAX; > - pgmap->ops = &fsdax_pagemap_ops; > - return 0; > -} > - > static int pmem_attach_disk(struct device *dev, > struct nd_namespace_common *ndns) > { > @@ -415,8 +400,8 @@ static int pmem_attach_disk(struct device *dev, > pmem->pfn_flags = PFN_DEV; > pmem->pgmap.ref = &q->q_usage_counter; > if (is_nd_pfn(dev)) { > - if (setup_pagemap_fsdax(dev, &pmem->pgmap)) > - return -ENOMEM; > + pme...

This patch series has implementation for "virtio pmem". "virtio pmem" is fake persistent memory(nvdimm) in guest which allows to bypass the guest page cache. This also implements a VIRTIO based asynchronous flush mechanism. Sharing guest kernel driver in this patchset with the changes suggested in v4. Tested with Qemu side device emulation [6] for virtio-pmem.

Hi Michael & Dan, Please review/ack the patch series from LIBNVDIMM & VIRTIO side. We have ack on ext4, xfs patches(4, 5 & 6) patch 2. Still need your ack on nvdimm patches(1 & 3) & virtio patch 2. Changes done from v7 are only in patch(2 & 3) and not affecting existing reviews. Request to please review. ---- This patch series has implementation for "virtio

Hi Michael & Dan, Please review/ack the patch series from LIBNVDIMM & VIRTIO side. We have ack on ext4, xfs patches(4, 5 & 6) patch 2. Still need your ack on nvdimm patches(1 & 3) & virtio patch 2. Changes done from v7 are only in patch(2 & 3) and not affecting existing reviews. Request to please review. ---- This patch series has implementation for "virtio