From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeff Moyer <jmoyer@redhat.com>
Subject: Re: [PATCH][RFC]ext4 on 4k-sector drives without read-modify-write support
Date: Mon, 28 Feb 2011 09:52:15 -0500
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References: <E1PtOoK-0008CR-00.ibragimovrinat-mail-ru@f261.mail.ru>
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Cc: linux-fsdevel@vger.kernel.org
To: Ibragimov Rinat <ibragimovrinat@mail.ru>
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	(Ibragimov Rinat's message of "Sat, 26 Feb 2011 21:24:08 +0300")
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Ibragimov Rinat <ibragimovrinat@mail.ru> writes:

> I have a proposal about 4k-sector hard drives support in fs drivers.
> Toshiba MK1231GAL is an 1.8" LIF IDE drive. It has 4096-byte physical
> and 512-byte logical sectors [1]. Unlike others drives with Advanced
> Format, it has not read-modify-write logic, so it can only operate
> with 4k blocks. Fortunately some filesystems in linux (I tested jfs, 

Then it should report a logical block size of 4k.  You have a drive with
broken firmware.

Cheers,
Jeff