diff options
Diffstat (limited to 'include/linux/dax.h')
-rw-r--r-- | include/linux/dax.h | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/include/linux/dax.h b/include/linux/dax.h index 497031392e0a..e15357223565 100644 --- a/include/linux/dax.h +++ b/include/linux/dax.h @@ -58,6 +58,8 @@ static inline void set_dax_synchronous(struct dax_device *dax_dev) { __set_dax_synchronous(dax_dev); } +bool dax_supported(struct dax_device *dax_dev, struct block_device *bdev, + int blocksize, sector_t start, sector_t len); /* * Check if given mapping is supported by the file / underlying device. */ @@ -104,6 +106,12 @@ static inline bool dax_synchronous(struct dax_device *dax_dev) static inline void set_dax_synchronous(struct dax_device *dax_dev) { } +static inline bool dax_supported(struct dax_device *dax_dev, + struct block_device *bdev, int blocksize, sector_t start, + sector_t len) +{ + return false; +} static inline bool daxdev_mapping_supported(struct vm_area_struct *vma, struct dax_device *dax_dev) { @@ -130,8 +138,6 @@ static inline bool generic_fsdax_supported(struct dax_device *dax_dev, return __generic_fsdax_supported(dax_dev, bdev, blocksize, start, sectors); } -bool dax_supported(struct dax_device *dax_dev, struct block_device *bdev, - int blocksize, sector_t start, sector_t len); static inline void fs_put_dax(struct dax_device *dax_dev) { @@ -159,13 +165,6 @@ static inline bool generic_fsdax_supported(struct dax_device *dax_dev, return false; } -static inline bool dax_supported(struct dax_device *dax_dev, - struct block_device *bdev, int blocksize, sector_t start, - sector_t len) -{ - return false; -} - static inline void fs_put_dax(struct dax_device *dax_dev) { } @@ -232,11 +231,18 @@ vm_fault_t dax_finish_sync_fault(struct vm_fault *vmf, int dax_delete_mapping_entry(struct address_space *mapping, pgoff_t index); int dax_invalidate_mapping_entry_sync(struct address_space *mapping, pgoff_t index); -int dax_iomap_zero(loff_t pos, unsigned offset, unsigned size, - struct iomap *iomap); +s64 dax_iomap_zero(loff_t pos, u64 length, struct iomap *iomap); static inline bool dax_mapping(struct address_space *mapping) { return mapping->host && IS_DAX(mapping->host); } +#ifdef CONFIG_DEV_DAX_HMEM_DEVICES +void hmem_register_device(int target_nid, struct resource *r); +#else +static inline void hmem_register_device(int target_nid, struct resource *r) +{ +} +#endif + #endif |