diff options
author | Dan Williams <dan.j.williams@intel.com> | 2022-09-24 18:14:12 -0700 |
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committer | Dan Williams <dan.j.williams@intel.com> | 2022-09-24 18:14:12 -0700 |
commit | b3bbcc5d1da1b654091dad15980b3d58fdae0fc6 (patch) | |
tree | 77795fbece4fc61a659ed97c70d798ca81f35bb8 /drivers/nvdimm/pmem.c | |
parent | 17d9c15c9b9e7fb285f7ac5367dfb5f00ff575e3 (diff) | |
parent | 67feaba413ec68daf4124e9870878899b4ed9a0e (diff) |
Merge branch 'for-6.0/dax' into libnvdimm-fixes
Pick up another "Soft Reservation" fix for v6.0-final on top of some
straggling nvdimm fixes that missed v5.19.
Diffstat (limited to 'drivers/nvdimm/pmem.c')
-rw-r--r-- | drivers/nvdimm/pmem.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c index b9f1a8e9f88c..96e6e9a5f235 100644 --- a/drivers/nvdimm/pmem.c +++ b/drivers/nvdimm/pmem.c @@ -239,7 +239,7 @@ static void pmem_submit_bio(struct bio *bio) } static int pmem_rw_page(struct block_device *bdev, sector_t sector, - struct page *page, unsigned int op) + struct page *page, enum req_op op) { struct pmem_device *pmem = bdev->bd_disk->private_data; blk_status_t rc; @@ -450,9 +450,24 @@ static void pmem_release_disk(void *__pmem) put_dax(pmem->dax_dev); del_gendisk(pmem->disk); - blk_cleanup_disk(pmem->disk); + put_disk(pmem->disk); } +static int pmem_pagemap_memory_failure(struct dev_pagemap *pgmap, + unsigned long pfn, unsigned long nr_pages, int mf_flags) +{ + struct pmem_device *pmem = + container_of(pgmap, struct pmem_device, pgmap); + u64 offset = PFN_PHYS(pfn) - pmem->phys_addr - pmem->data_offset; + u64 len = nr_pages << PAGE_SHIFT; + + return dax_holder_notify_failure(pmem->dax_dev, offset, len, mf_flags); +} + +static const struct dev_pagemap_ops fsdax_pagemap_ops = { + .memory_failure = pmem_pagemap_memory_failure, +}; + static int pmem_attach_disk(struct device *dev, struct nd_namespace_common *ndns) { @@ -514,6 +529,7 @@ static int pmem_attach_disk(struct device *dev, pmem->pfn_flags = PFN_DEV; if (is_nd_pfn(dev)) { pmem->pgmap.type = MEMORY_DEVICE_FS_DAX; + pmem->pgmap.ops = &fsdax_pagemap_ops; addr = devm_memremap_pages(dev, &pmem->pgmap); pfn_sb = nd_pfn->pfn_sb; pmem->data_offset = le64_to_cpu(pfn_sb->dataoff); @@ -527,6 +543,7 @@ static int pmem_attach_disk(struct device *dev, pmem->pgmap.range.end = res->end; pmem->pgmap.nr_range = 1; pmem->pgmap.type = MEMORY_DEVICE_FS_DAX; + pmem->pgmap.ops = &fsdax_pagemap_ops; addr = devm_memremap_pages(dev, &pmem->pgmap); pmem->pfn_flags |= PFN_MAP; bb_range = pmem->pgmap.range; @@ -596,7 +613,7 @@ out_cleanup_dax: kill_dax(pmem->dax_dev); put_dax(pmem->dax_dev); out: - blk_cleanup_disk(pmem->disk); + put_disk(pmem->disk); return rc; } |