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From: Andrew Morton <akpm@zip.com.au>
To: Stephen Tweedie <sct@redhat.com>
Cc: Miles Lane <miles@megapathdsl.net>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: Automatically mount or remount EXT3 partitions with EXT2 when  alaptop is powered by a battery?
Date: Wed, 26 Jun 2002 11:39:31 -0700	[thread overview]
Message-ID: <3D1A0A63.BB5F0C33@zip.com.au> (raw)
In-Reply-To: 20020626011340.A13410@redhat.com

Stephen Tweedie wrote:
> 
> Hi,
> 
> On Tue, Jun 25, 2002 at 10:03:47AM -0700, Andrew Morton
> <akpm@zip.com.au> wrote:
> 
> > If it's because of the disk-spins-up-too-much problem then
> > that can be addressed by allowing the commit interval to be
> > set to larger values.
> 
> > +int jbd_commit_interval = 5; /* /proc/sys/fs/jbd_commit_interval */
> 
> I suspect you want this to be per-mount, not system-wide (although
> filesystems could easily just inherit the system default dynamically
> if there's no per-fs override.)  I could easily imagine a user wanting
> a different interval for a scratch disk, for example.
> 

Yes, that would be better.  We do want to be able to change it
on the fly.  So how about:

	mount /dev/what /mnt/where -o commit_interval=5
and
	mount /mnt/where -o remount,commit_interval=3000

?

-

  reply	other threads:[~2002-06-26 18:41 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-06-24 20:02 Automatically mount or remount EXT3 partitions with EXT2 when a laptop is powered by a battery? Miles Lane
2002-06-24 20:23 ` Andreas Dilger
2002-06-24 20:27 ` Richard B. Johnson
2002-06-25 17:03 ` Automatically mount or remount EXT3 partitions with EXT2 when alaptop " Andrew Morton
2002-06-25 17:24   ` Miles Lane
2002-06-25 19:35     ` Andrew Morton
2002-07-03  3:02       ` Pavel Machek
2002-06-26  0:13   ` Stephen Tweedie
2002-06-26 18:39     ` Andrew Morton [this message]
2002-07-02 13:23       ` Stephen C. Tweedie
2002-07-03  3:04         ` Pavel Machek
2002-06-28 21:59   ` Daniel Kobras
2002-07-02 12:13     ` Stephen C. Tweedie
2002-07-03  3:04       ` Pavel Machek
2002-07-04 20:30         ` Stephen Tweedie
2002-07-04 22:05       ` Daniel Kobras
2002-07-05  7:59         ` Stephen Tweedie
2002-07-06  0:58           ` Pavel Machek
2002-07-23 11:14             ` Stephen C. Tweedie

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