From mboxrd@z Thu Jan 1 00:00:00 1970 From: Theodore Ts'o Subject: Re: EXT4 Statistics Date: Tue, 29 Dec 2015 10:23:01 -0500 Message-ID: <20151229152301.GD3248@thunk.org> References: <5681b67a.44de8c0a.82c37.3f52@mx.google.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: "linux-ext4@vger.kernel.org" To: funky.shelf@gmail.com Return-path: Received: from imap.thunk.org ([74.207.234.97]:58052 "EHLO imap.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752982AbbL2PXD (ORCPT ); Tue, 29 Dec 2015 10:23:03 -0500 Content-Disposition: inline In-Reply-To: <5681b67a.44de8c0a.82c37.3f52@mx.google.com> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Mon, Dec 28, 2015 at 02:23:54PM -0800, funky.shelf@gmail.com wrote: > Would it be possible to store the number of successful read and > write operations that a regular file witnesses during its lifetime? > I'm sorry if this question has been asked before. If the information > is already available, where may one find it? Ext4 doesn't currently do this; if it did it would be a performance disaster, so it's not likely that it's something we would add. Why would you want such a thing? What are you trying to do? - Ted