From: bert hubert <ahu@ds9a.nl>
To: Raj <inguva@gmail.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Delay in unmounting a USB pen drive
Date: Wed, 24 Nov 2004 11:17:06 +0100 [thread overview]
Message-ID: <20041124101706.GA7127@outpost.ds9a.nl> (raw)
In-Reply-To: <b2fa632f041124012543876b61@mail.gmail.com>
On Wed, Nov 24, 2004 at 02:55:57PM +0530, Raj wrote:
> SuSE kernel 2.6.5:
>
> My USB pen drive has a vfat FS. When i transfer some files & try to
> unmount the drive ( umount /mnt ) , the command appears hung. CTRL+C also
> does not work. Only later did i realise that it was actually taking a
> longer time ( 10 - 15 sec )
> to unmount.
The data is only actually being written to the pen drive when you unmount.
To make unmounting fast, either mount with -o sync, or run 'sync' before
umounting.
> - Is it safe to remove the pen drive from it's slot when the umount is still in
> progress ?? ( I tried this the first time & maybe lucky me, the
> files copied were fine )
Try reading them - you will find emtpiness.
--
http://www.PowerDNS.com Open source, database driven DNS Software
http://lartc.org Linux Advanced Routing & Traffic Control HOWTO
prev parent reply other threads:[~2004-11-24 12:23 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-24 9:25 Delay in unmounting a USB pen drive Raj
2004-11-24 9:34 ` Anton Altaparmakov
2004-11-24 9:50 ` Raj
2004-11-24 9:38 ` Colin Leroy
2004-11-24 9:52 ` Raj
2004-11-24 10:06 ` Colin Leroy
2004-11-24 10:17 ` bert hubert [this message]
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