diff options
Diffstat (limited to 'include/linux/iomap.h')
| -rw-r--r-- | include/linux/iomap.h | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/include/linux/iomap.h b/include/linux/iomap.h index a4c94b86401e..f64dc6ce5161 100644 --- a/include/linux/iomap.h +++ b/include/linux/iomap.h @@ -41,6 +41,7 @@ struct iomap { u16 type; /* type of mapping */ u16 flags; /* flags for mapping */ struct block_device *bdev; /* block device for I/O */ + struct dax_device *dax_dev; /* dax_dev for dax operations */ }; /* @@ -51,6 +52,7 @@ struct iomap { #define IOMAP_REPORT (1 << 2) /* report extent status, e.g. FIEMAP */ #define IOMAP_FAULT (1 << 3) /* mapping for page fault */ #define IOMAP_DIRECT (1 << 4) /* direct I/O */ +#define IOMAP_NOWAIT (1 << 5) /* Don't wait for writeback */ struct iomap_ops { /* @@ -72,17 +74,20 @@ struct iomap_ops { }; ssize_t iomap_file_buffered_write(struct kiocb *iocb, struct iov_iter *from, - struct iomap_ops *ops); + const struct iomap_ops *ops); int iomap_file_dirty(struct inode *inode, loff_t pos, loff_t len, - struct iomap_ops *ops); + const struct iomap_ops *ops); int iomap_zero_range(struct inode *inode, loff_t pos, loff_t len, - bool *did_zero, struct iomap_ops *ops); + bool *did_zero, const struct iomap_ops *ops); int iomap_truncate_page(struct inode *inode, loff_t pos, bool *did_zero, - struct iomap_ops *ops); -int iomap_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf, - struct iomap_ops *ops); + const struct iomap_ops *ops); +int iomap_page_mkwrite(struct vm_fault *vmf, const struct iomap_ops *ops); int iomap_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, - loff_t start, loff_t len, struct iomap_ops *ops); + loff_t start, loff_t len, const struct iomap_ops *ops); +loff_t iomap_seek_hole(struct inode *inode, loff_t offset, + const struct iomap_ops *ops); +loff_t iomap_seek_data(struct inode *inode, loff_t offset, + const struct iomap_ops *ops); /* * Flags for direct I/O ->end_io: @@ -92,6 +97,6 @@ int iomap_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, typedef int (iomap_dio_end_io_t)(struct kiocb *iocb, ssize_t ret, unsigned flags); ssize_t iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter, - struct iomap_ops *ops, iomap_dio_end_io_t end_io); + const struct iomap_ops *ops, iomap_dio_end_io_t end_io); #endif /* LINUX_IOMAP_H */ |