xfs: get rid of xfs_growfs_{data,log}_t

Such usage isn't encouraged by the kernel coding style. Leave the
definitions alone in case of userspace users.

Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Gao Xiang <hsiangkao@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index 78f9654..248083e 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -2251,7 +2251,7 @@ xfs_file_ioctl(
 	}
 
 	case XFS_IOC_FSGROWFSDATA: {
-		xfs_growfs_data_t in;
+		struct xfs_growfs_data in;
 
 		if (copy_from_user(&in, arg, sizeof(in)))
 			return -EFAULT;
@@ -2265,7 +2265,7 @@ xfs_file_ioctl(
 	}
 
 	case XFS_IOC_FSGROWFSLOG: {
-		xfs_growfs_log_t in;
+		struct xfs_growfs_log in;
 
 		if (copy_from_user(&in, arg, sizeof(in)))
 			return -EFAULT;