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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