Re: O_DIRECT alignment requirements ?

Joel Becker (Joel.Becker@oracle.com)
Wed, 9 Apr 2003 10:59:14 -0700

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


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Joel Becker
Senior Member of Technical Staff
Oracle Corporation
E-mail: joel.becker@oracle.com
Phone: (650) 506-8127
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