Messages in this thread | | | Date | Tue, 13 May 2003 08:44:31 +0200 | From | Jens Axboe <> | Subject | Re: [PATCH] 2.5 ide 48-bit usage |
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On Mon, May 12 2003, Mike Fedyk wrote: > On Thu, May 08, 2003 at 02:01:45PM +0200, Jens Axboe wrote: > > On Thu, May 08 2003, Alan Cox wrote: > > > On Iau, 2003-05-08 at 08:56, Jens Axboe wrote: > > > > That part is added, I still kept it at 65535 though akin to how we don't > > > > use that last sector in 28-bit commands either. For 48-bit commands this > > > > is totally irelevant, 32MiB or 32MiB-512b doesn't matter either way. > > > > > > Actually I changed the LBA28 code to use the last sector a while ago. It > > > has (unsuprisingly) caused zero problems because other OS's also > > > generate such requests. > > > > That's great, if you remember that was my requirement for usage of the > > last sector, that the Other OS used it. If it does, it can't be buggy. > > Yes, there is documentation in ntfs-tools about the kernel not being able to > address the last sector like the Other OS does, and recommending to run > chkdsk immediately after creating a new ntfs volume under Linux...
Completely different thing :-)
In my mail, 'the last sector' means issuing ata commands with 255 or 256 (the last one) sectors. 256 is special because it requires 0 for number of sectors, since it's a byte value.
-- Jens Axboe
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