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iomap: expose iomap_apply outside iomap.c 

This allows the DAX code to use it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
hifive-unleashed-5.1
Christoph Hellwig 2016-09-19 11:24:49 +10:00 committed by Dave Chinner
parent ecd50729f7
commit befb503ca6
2 changed files with 12 additions and 4 deletions
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11
fs/internal.h
View File

@ -12,6 +12,7 @@
struct super_block;
struct file_system_type;
struct iomap;
struct iomap_ops;
struct linux_binprm;
struct path;
struct mount;
@ -164,3 +165,13 @@ extern struct dentry_operations ns_dentry_operations;
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);

5
fs/iomap.c
View File

@ -27,9 +27,6 @@
#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.
@ -41,7 +38,7 @@ typedef loff_t (*iomap_actor_t)(struct inode *inode, loff_t pos, loff_t len,
* 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)
{