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Date: Fri, 10 Aug 2001 16:02:29 -0400 (EDT)
From: Ben LaHaise <bcrl@redhat.com>
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To: =?iso-8859-1?Q?Ragnar_Kj=F8rstad?= <kernel@ragnark.vestdata.no>
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Subject: Re: [PATCH] 64 bit scsi read/write
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On Fri, 10 Aug 2001, Ragnar Kjørstad wrote:

> * >1TB devices over scsi.
>   * /proc/partitions report incorrect sizes

Okay, interesting, I'll have to dig through that.

>   * mkreiserfs fails: "mkreiserfs: can not create filesystem on that
>     small device (0 blocks)."
>   * mkfs.xfs fails: "warning - cannot set blocksize on block device
>     /dev/sdb: Invalid argument"

Someone needs to patch reiserfs/xfs.

>   I assume both mkreiserfs and mkfs.xfs use ioctl to get the size
>   of the device, and that ioctl uses an unsigned int? How is
>   userspace supposed to get the devicesize of >2GB devices with
>   your code?

See the e2fsprogs patch (again, below).

>   * mkfs.ext2 makes the machine panic after a while.
>     Unfortenately I don't have the panic message anymore, and at the
>     moment I don't have the hardware to redo the test.

That would've been a useful bug report.

>   * fdisk bails out with 'Unable to read /dev/sdb'

MS-DOS partitions do not work on huge devices, so at best we can make it
report a more informative message.

The amount of response I've received is absolutely dismal for a feature
lots of people are clamouring on about needing.  At this rate, I doubt
we'll have any of it decently tested before we start advertising it as a
supported feature in 2.6.

		-ben

-- 
"The world would be a better place if Larry Wall had been born in
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