From: Joel Becker <Joel.Becker@oracle.com>
To: Rob van Nieuwkerk <robn@verdi.et.tudelft.nl>
Cc: linux-kernel@vger.kernel.org
Subject: Re: O_DIRECT alignment requirements ?
Date: Wed, 9 Apr 2003 10:59:14 -0700 [thread overview]
Message-ID: <20030409175908.GB31739@ca-server1.us.oracle.com> (raw)
In-Reply-To: <200304091653.h39GrHR05341@verdi.et.tudelft.nl>
On Wed, Apr 09, 2003 at 06:53:17PM +0200, Rob van Nieuwkerk wrote:
> I get 4096 with BLKBSZGET on several unmounted partitions on my system
> (RH 2.4.18-27.7.x kernel). Some give 1024 .. Maybe it is because I
> had them mounted first and unmounted them for the test ?
That would be the most likely answer. When you unmount, I don't
believe the filesystem bothers to set_blocksize(get_hardsect_size(dev)).
Joel
--
Life's Little Instruction Book #94
"Make it a habit to do nice things for people who
will never find out."
Joel Becker
Senior Member of Technical Staff
Oracle Corporation
E-mail: joel.becker@oracle.com
Phone: (650) 506-8127
next prev parent reply other threads:[~2003-04-09 19:49 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-09 12:16 Rob van Nieuwkerk
2003-04-09 15:48 ` Joel Becker
2003-04-09 16:53 ` Rob van Nieuwkerk
2003-04-09 17:59 ` Joel Becker [this message]
2003-04-09 19:15 ` Andrew Morton
2003-04-09 21:09 ` Rob van Nieuwkerk
2003-04-09 23:27 ` Joel Becker
2003-04-10 16:33 ` Rob van Nieuwkerk
2003-04-09 18:08 ` Benjamin LaHaise
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