LKML Archive on
help / color / mirror / Atom feed
From: Dave Jones <>
To: Michael Kerrisk <>
Cc:, lkml <>
Subject: Re: Documenting MS_RELATIME
Date: Sat, 10 Feb 2007 19:54:00 -0500	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Sat, Feb 10, 2007 at 09:56:07AM -0800, Michael Kerrisk wrote:
 > Val,
 > I'm just updating the mount(2) man page for MS_RELATIME, and this is the
 > text I've come up with:
 >        MS_RELATIME(Since Linux 2.6.20)
 >               When a file on this file system is accessed, only
 >               update  the  file's last accessed time (atime) if
 >               the current value of atime is less than or  equal
 >               to  the file's last modified (mtime) or last sta-
 >               tus change time (ctime).  This option  is  useful
 >               for  programs, such as mutt(1), that need to know
 >               when a file has been read since it was last modi-
 >               fied.
 > This text is based on your comments accompanying the various patches, but
 > it differs in a respect.  Your comments said that the atime would only be
 > updated if the atime is older than mtime/ctime.  However, what the code
 > actually does is update atime if it is is <= mtime/ctime -- i.e., atime is
 > older than or *or equal to* mtime/ctime.
 > I'm sure that the code implements your intention, but before incorporating
 > the above text I thought I just better check, since the code differs from
 > your comment.  Can you just confirm that the proposed man page text is okay.

Whilst on the subject of RELATIME, is there any good reason why
not to make this a default mount option ?



  reply	other threads:[~2007-02-11  0:54 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-10 17:56 Documenting MS_RELATIME Michael Kerrisk
2007-02-11  0:54 ` Dave Jones [this message]
2007-02-12  6:55   ` Valerie Henson
2007-02-12 15:40     ` Dave Jones
2007-02-12 17:49       ` Jan Engelhardt
2007-02-12 17:55         ` Jörn Engel
2007-02-12 19:53         ` Petri Kaukasoina
2007-02-12 19:57           ` Valerie Henson
2007-02-12 19:42       ` Valerie Henson
2007-02-12  6:53 ` Valerie Henson

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \ \ \ \ \ \

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).