diff options
Diffstat (limited to 'drivers/nvdimm/nd.h')
| -rw-r--r-- | drivers/nvdimm/nd.h | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/nvdimm/nd.h b/drivers/nvdimm/nd.h index 85ca5b4da3cf..b199eea3260e 100644 --- a/drivers/nvdimm/nd.h +++ b/drivers/nvdimm/nd.h @@ -422,7 +422,7 @@ struct nd_region { struct nd_interleave_set *nd_set; struct nd_percpu_lane __percpu *lane; int (*flush)(struct nd_region *nd_region, struct bio *bio); - struct nd_mapping mapping[]; + struct nd_mapping mapping[] __counted_by(ndr_mappings); }; static inline bool nsl_validate_nlabel(struct nd_region *nd_region, @@ -489,7 +489,6 @@ enum nd_async_mode { ND_ASYNC, }; -int nd_integrity_init(struct gendisk *disk, unsigned long meta_size); void wait_nvdimm_bus_probe_idle(struct device *dev); void nd_device_register(struct device *dev); void nd_device_unregister(struct device *dev, enum nd_async_mode mode); @@ -599,8 +598,15 @@ static inline int nd_pfn_validate(struct nd_pfn *nd_pfn, const char *sig) struct nd_dax *to_nd_dax(struct device *dev); #if IS_ENABLED(CONFIG_NVDIMM_DAX) int nd_dax_probe(struct device *dev, struct nd_namespace_common *ndns); -bool is_nd_dax(struct device *dev); +bool is_nd_dax(const struct device *dev); struct device *nd_dax_create(struct nd_region *nd_region); +static inline struct device *nd_dax_devinit(struct nd_dax *nd_dax, + struct nd_namespace_common *ndns) +{ + if (!nd_dax) + return NULL; + return nd_pfn_devinit(&nd_dax->nd_pfn, ndns); +} #else static inline int nd_dax_probe(struct device *dev, struct nd_namespace_common *ndns) @@ -608,7 +614,7 @@ static inline int nd_dax_probe(struct device *dev, return -ENODEV; } -static inline bool is_nd_dax(struct device *dev) +static inline bool is_nd_dax(const struct device *dev) { return false; } @@ -626,6 +632,9 @@ u64 nd_region_interleave_set_cookie(struct nd_region *nd_region, u64 nd_region_interleave_set_altcookie(struct nd_region *nd_region); void nvdimm_bus_lock(struct device *dev); void nvdimm_bus_unlock(struct device *dev); +DEFINE_GUARD(nvdimm_bus, struct device *, + if (_T) nvdimm_bus_lock(_T), if (_T) nvdimm_bus_unlock(_T)); + bool is_nvdimm_bus_locked(struct device *dev); void nvdimm_check_and_set_ro(struct gendisk *disk); void nvdimm_drvdata_release(struct kref *kref); @@ -652,7 +661,7 @@ void devm_namespace_disable(struct device *dev, struct nd_namespace_common *ndns); #if IS_ENABLED(CONFIG_ND_CLAIM) /* max struct page size independent of kernel config */ -#define MAX_STRUCT_PAGE_SIZE 128 +#define MAX_STRUCT_PAGE_SIZE 64 int nvdimm_setup_pfn(struct nd_pfn *nd_pfn, struct dev_pagemap *pgmap); #else static inline int nvdimm_setup_pfn(struct nd_pfn *nd_pfn, @@ -667,7 +676,7 @@ static inline bool is_bad_pmem(struct badblocks *bb, sector_t sector, { if (bb->count) { sector_t first_bad; - int num_bad; + sector_t num_bad; return !!badblocks_check(bb, sector, len / 512, &first_bad, &num_bad); |