| Matthew Wilcox | c94c2ac | 2015-09-08 14:58:40 -0700 | [diff] [blame] | 1 | #ifndef _LINUX_DAX_H |
| 2 | #define _LINUX_DAX_H |
| 3 | |
| 4 | #include <linux/fs.h> |
| 5 | #include <linux/mm.h> |
| 6 | #include <asm/pgtable.h> |
| 7 | |
| 8 | ssize_t dax_do_io(struct kiocb *, struct inode *, struct iov_iter *, loff_t, |
| 9 | get_block_t, dio_iodone_t, int flags); |
| 10 | int dax_clear_blocks(struct inode *, sector_t block, long size); |
| 11 | int dax_zero_page_range(struct inode *, loff_t from, unsigned len, get_block_t); |
| 12 | int dax_truncate_page(struct inode *, loff_t from, get_block_t); |
| 13 | int dax_fault(struct vm_area_struct *, struct vm_fault *, get_block_t, |
| 14 | dax_iodone_t); |
| 15 | int __dax_fault(struct vm_area_struct *, struct vm_fault *, get_block_t, |
| 16 | dax_iodone_t); |
| 17 | int dax_pfn_mkwrite(struct vm_area_struct *, struct vm_fault *); |
| 18 | #define dax_mkwrite(vma, vmf, gb, iod) dax_fault(vma, vmf, gb, iod) |
| 19 | #define __dax_mkwrite(vma, vmf, gb, iod) __dax_fault(vma, vmf, gb, iod) |
| 20 | |
| Matthew Wilcox | 4897c76 | 2015-09-08 14:58:45 -0700 | [diff] [blame^] | 21 | static inline bool vma_is_dax(struct vm_area_struct *vma) |
| 22 | { |
| 23 | return vma->vm_file && IS_DAX(vma->vm_file->f_mapping->host); |
| 24 | } |
| Matthew Wilcox | c94c2ac | 2015-09-08 14:58:40 -0700 | [diff] [blame] | 25 | #endif |