On Thu, Sep 29, 2016 at 10:03:59AM -0700, Christoph Hellwig wrote:
> > +/* extent-same (dedupe) ioctls; these MUST match the btrfs ioctl definitions */
> > +#define XFS_EXTENT_DATA_SAME 0
> > +#define XFS_EXTENT_DATA_DIFFERS 1
> > +
> > +/* from struct btrfs_ioctl_file_extent_same_info */
> > +struct xfs_extent_data_info {
> > + __s64 fd; /* in - destination file */
> > + __u64 logical_offset; /* in - start of extent in destination */
> > + __u64 bytes_deduped; /* out - total # of bytes we were able
> > + * to dedupe from this file */
> > + /* status of this dedupe operation:
> > + * < 0 for error
> > + * == XFS_EXTENT_DATA_SAME if dedupe succeeds
> > + * == XFS_EXTENT_DATA_DIFFERS if data differs
> > + */
> > + __s32 status; /* out - see above description */
> > + __u32 reserved;
> > +};
> > +
> > +/* from struct btrfs_ioctl_file_extent_same_args */
> > +struct xfs_extent_data {
> > + __u64 logical_offset; /* in - start of extent in source */
> > + __u64 length; /* in - length of extent */
> > + __u16 dest_count; /* in - total elements in info array */
> > + __u16 reserved1;
> > + __u32 reserved2;
> > + struct xfs_extent_data_info info[0];
> > +};
> > +
> > #define XFS_IOC_CLONE _IOW (0x94, 9, int)
> > #define XFS_IOC_CLONE_RANGE _IOW (0x94, 13, struct xfs_clone_args)
> > +#define XFS_IOC_FILE_EXTENT_SAME _IOWR(0x94, 54, struct xfs_extent_data)
>
> Same as with the last patch: we use VFS defintions for these, no need
> to add duplicate and unused XFS versions.
Ok, I'll fix both patches.
--D
--
To unsubscribe from this list: send the line "unsubscribe linux-xfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
