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[task #7489] Support LBA48

From: Samuel Thibault
Subject: [task #7489] Support LBA48
Date: Fri, 23 Nov 2007 00:01:29 +0000
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv: Gecko/20070505 Iceape/1.0.9 (Debian-1.0.11~pre071022-0etch1+lenny1)


                 Summary: Support LBA48
                 Project: The GNU Hurd
            Submitted by: sthibaul
            Submitted on: vendredi 23.11.2007 à 01:01
                Category: GNU Mach
         Should Start On: vendredi 23.11.2007 à 00:00
   Should be Finished on: vendredi 23.11.2007 à 00:00
                Priority: 5 - Normal
                  Status: None
                 Privacy: Public
        Percent Complete: 0%
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: None
                  Effort: 0.00
Wiki-like text discussion box: 



The current Linux ide driver only handles LBA28, i.e. 2^28 sectors = 128GB.
Sectors above can't be reached by GNU Mach, LBA48 is needed for this. That
means checking that the drive supports it (should anyway), and just use the
LBA48 versions of read/write. That should push the limit to 2TB, since sector
numbers are stored as unsigned ints


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