From: Ludovic Drolez <ludovic.drolez@freealter.com>
To: linux-kernel@vger.kernel.org
Subject: BLKBSZSET still not working on 2.4.18 ?
Date: Fri, 10 Jan 2003 16:32:51 +0100 [thread overview]
Message-ID: <3E1EE7A3.1050401@freealter.com> (raw)
Hi !
I'm trying to backup a partition on an IDE drive which has an odd number
of sectors (204939). With a stock open/read you cannot access the last
sector, and that why I tried the BLKBSZSET ioctl to set the basic read
block size to 512 bytes. I verified the writen value with BLKBSZGET
ioctl, but I still cannot read this last sector !
I've tried also this:
- FreeBSD : works but it don't want to port all my software to it
- raw devices: can't read the last sector:
# raw /dev/raw1 /dev/hda2
# dd if=/dev/raw1 of=C bs=512
dd: reading `/dev/raw1': No such device or address
204938+0 records in
204938+0 records out
What can it do ? Wait for a patch in 2.5.xxx ?
TIA,
Ludovic Drolez.
next reply other threads:[~2003-01-10 15:25 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-10 15:32 Ludovic Drolez [this message]
2003-01-10 16:13 ` BLKBSZSET still not working on 2.4.18 ? Andries Brouwer
2003-01-13 11:28 ` Ludovic Drolez
2003-01-13 15:26 ` Andries Brouwer
2003-01-10 17:08 ` Alan Cox
2003-01-10 17:08 ` John Bradford
2003-01-10 18:14 ` Alan Cox
2003-01-10 17:40 ` Andries Brouwer
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