tracefs: 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 <jlayton@kernel.org>
Acked-by: "Steven Rostedt (Google)" <rostedt@goodmis.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Message-Id: <20230705190309.579783-75-jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>

fs/tracefs/inode.c

@@ -132,7 +132,7 @@ static struct inode *tracefs_get_inode(struct super_block *sb)
 	struct inode *inode = new_inode(sb);
 	if (inode) {
 		inode->i_ino = get_next_ino();
-		inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode);
+		inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode);
 	}
 	return inode;
 }