btrfs: use new dedupe data function pointer
Now that the VFS encapsulates the dedupe ioctl, wire up btrfs to it.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index dd4733f..b7e4e34 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -4024,6 +4024,8 @@
struct btrfs_ioctl_space_info *space);
void update_ioctl_balance_args(struct btrfs_fs_info *fs_info, int lock,
struct btrfs_ioctl_balance_args *bargs);
+ssize_t btrfs_dedupe_file_range(struct file *src_file, u64 loff, u64 olen,
+ struct file *dst_file, u64 dst_loff);
/* file.c */
int btrfs_auto_defrag_init(void);