iomap: expose iomap_apply outside iomap.c

struct super_block;

struct file_system_type;

struct iomap;

struct iomap_ops;

struct linux_binprm;

struct path;

struct mount;

extern int do_vfs_ioctl(struct file *file, unsigned int fd, unsigned int cmd,

		    unsigned long arg);

extern long vfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg);

/*

 * iomap support:

 */

typedef loff_t (*iomap_actor_t)(struct inode *inode, loff_t pos, loff_t len,

		void *data, struct iomap *iomap);

loff_t iomap_apply(struct inode *inode, loff_t pos, loff_t length,

		unsigned flags, struct iomap_ops *ops, void *data,

		iomap_actor_t actor);

#include <linux/dax.h>

#include "internal.h"

typedef loff_t (*iomap_actor_t)(struct inode *inode, loff_t pos, loff_t len,

		void *data, struct iomap *iomap);

/*

 * Execute a iomap write on a segment of the mapping that spans a

 * contiguous range of pages that have identical block mapping state.

 * resources they require in the iomap_begin call, and release them in the

 * iomap_end call.

 */

static loff_t

loff_t

iomap_apply(struct inode *inode, loff_t pos, loff_t length, unsigned flags,

		struct iomap_ops *ops, void *data, iomap_actor_t actor)

{