On Fri, Apr 01, 2016 at 04:14:28PM -0400, Jeff Mahoney wrote:
> struct btrfs_ioctl_defrag_range_args is used by the BTRFS_IOC_DEFRAG_RANGE
> ioctl.
Reviewed-by: Liu Bo <bo.li.liu@xxxxxxxxxx>
Thanks,
-liubo
>
> Signed-off-by: Jeff Mahoney <jeffm@xxxxxxxx>
> ---
> fs/btrfs/ctree.h | 31 -------------------------------
> include/uapi/linux/btrfs.h | 38 +++++++++++++++++++++++++++++++++++++-
> 2 files changed, 37 insertions(+), 32 deletions(-)
>
> diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
> index 378482c..89f36b6 100644
> --- a/fs/btrfs/ctree.h
> +++ b/fs/btrfs/ctree.h
> @@ -1992,37 +1992,6 @@ struct btrfs_root {
> atomic_t qgroup_meta_rsv;
> };
>
> -struct btrfs_ioctl_defrag_range_args {
> - /* start of the defrag operation */
> - __u64 start;
> -
> - /* number of bytes to defrag, use (u64)-1 to say all */
> - __u64 len;
> -
> - /*
> - * flags for the operation, which can include turning
> - * on compression for this one defrag
> - */
> - __u64 flags;
> -
> - /*
> - * any extent bigger than this will be considered
> - * already defragged. Use 0 to take the kernel default
> - * Use 1 to say every single extent must be rewritten
> - */
> - __u32 extent_thresh;
> -
> - /*
> - * which compression method to use if turning on compression
> - * for this defrag operation. If unspecified, zlib will
> - * be used
> - */
> - __u32 compress_type;
> -
> - /* spare for later */
> - __u32 unused[4];
> -};
> -
>
> /*
> * inode items have the data typically returned from stat and store other
> diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h
> index abae362..98aff38 100644
> --- a/include/uapi/linux/btrfs.h
> +++ b/include/uapi/linux/btrfs.h
> @@ -474,9 +474,45 @@ struct btrfs_ioctl_clone_range_args {
> __u64 dest_offset;
> };
>
> -/* flags for the defrag range ioctl */
> +/*
> + * flags definition for the defrag range ioctl
> + *
> + * Used by:
> + * struct btrfs_ioctl_defrag_range_args.flags
> + */
> #define BTRFS_DEFRAG_RANGE_COMPRESS 1
> #define BTRFS_DEFRAG_RANGE_START_IO 2
> +struct btrfs_ioctl_defrag_range_args {
> + /* start of the defrag operation */
> + __u64 start;
> +
> + /* number of bytes to defrag, use (u64)-1 to say all */
> + __u64 len;
> +
> + /*
> + * flags for the operation, which can include turning
> + * on compression for this one defrag
> + */
> + __u64 flags;
> +
> + /*
> + * any extent bigger than this will be considered
> + * already defragged. Use 0 to take the kernel default
> + * Use 1 to say every single extent must be rewritten
> + */
> + __u32 extent_thresh;
> +
> + /*
> + * which compression method to use if turning on compression
> + * for this defrag operation. If unspecified, zlib will
> + * be used
> + */
> + __u32 compress_type;
> +
> + /* spare for later */
> + __u32 unused[4];
> +};
> +
>
> #define BTRFS_SAME_DATA_DIFFERS 1
> /* For extent-same ioctl */
> --
> 2.7.1
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at http://vger.kernel.org/majordomo-info.html
--
To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
