Messages in this thread | | | Subject | Re: BLKBSZSET still not working on 2.4.18 ? | From | Alan Cox <> | Date | 10 Jan 2003 17:08:46 +0000 |
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On Fri, 2003-01-10 at 15:32, Ludovic Drolez wrote: > 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 !
Its a known 2.4 limitation. The last odd sector isnt normally used by anything so it has never been a big issue (except with EFI partition data). There is a patch to allow the last sector to be recovered but its quite ugly so never went mainstream.
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