vboxsf: convert to ctime accessor functions

In later patches, we're going to change how the inode's ctime field is
used. Switch to using accessor functions instead of raw accesses of
inode->i_ctime.

Signed-off-by: Jeff Layton <[e-mail]>
Reviewed-by: Jan Kara <[e-mail]>
Message-Id: <[e-mail]>
Signed-off-by: Christian Brauner <[e-mail]>

fs/vboxsf/utils.c

···
 
 	inode->i_atime = ns_to_timespec64(
 				 info->access_time.ns_relative_to_unix_epoch);
-	inode->i_ctime = ns_to_timespec64(
-				 info->change_time.ns_relative_to_unix_epoch);
+	inode_set_ctime_to_ts(inode,
+			      ns_to_timespec64(info->change_time.ns_relative_to_unix_epoch));
 	inode->i_mtime = ns_to_timespec64(
 			   info->modification_time.ns_relative_to_unix_epoch);
 	return 0;