Re: [PATCH 02/10] iomap: expose iomap_apply outside iomap.c

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On Fri, Sep 09, 2016 at 06:34:36PM +0200, Christoph Hellwig wrote:
> This allows the DAX code to use it.
> 
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Reviewed-by: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>

> ---
>  fs/internal.h | 11 +++++++++++
>  fs/iomap.c    |  5 +----
>  2 files changed, 12 insertions(+), 4 deletions(-)
> 
> diff --git a/fs/internal.h b/fs/internal.h
> index ba07376..8591786 100644
> --- a/fs/internal.h
> +++ b/fs/internal.h
> @@ -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);
> diff --git a/fs/iomap.c b/fs/iomap.c
> index 706270f..f4df9c6 100644
> --- a/fs/iomap.c
> +++ b/fs/iomap.c
> @@ -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)
>  {
> -- 
> 2.1.4
> 
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> Linux-nvdimm@xxxxxxxxxxxx
> https://lists.01.org/mailman/listinfo/linux-nvdimm
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