hypfs: convert to new timestamp accessors

Convert to using the new inode timestamp accessor functions.

Signed-off-by: Jeff Layton <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Christian Brauner <[e-mail]>

arch/s390/hypfs/inode.c

···
 	struct inode *inode = d_inode(sb_info->update_file);
 
 	sb_info->last_update = ktime_get_seconds();
-	inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode);
+	simple_inode_init_ts(inode);
 }
 
 /* directory tree removal functions */
···
 		ret->i_mode = mode;
 		ret->i_uid = hypfs_info->uid;
 		ret->i_gid = hypfs_info->gid;
-		ret->i_atime = ret->i_mtime = inode_set_ctime_current(ret);
+		simple_inode_init_ts(ret);
 		if (S_ISDIR(mode))
 			set_nlink(ret, 2);
 	}