It seems it is already there and will be available with 2.6.23.
>From the 2.6.23-rc4 changelog
(http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.23-rc4):
commit b0244a00451c1ad64bf0a51f50679f7146786780
Author: Bartlomiej Zolnierkiewicz <[EMAIL PROTECTED]>
Date: Mon Aug 20 22:42:57 2007 +0200
ide-disk: workaround for buggy HPA support on ST340823A (take 3)
This disk reports total number of sectors instead of maximum sector address
in response to READ_NATIVE_MAX_ADDRESS command and also happily accepts
SET_MAX_ADDRESS command with the bogus value. This results in +1 sector
capacity being used and errors on attempts to use the last sector.
...
hdd: Host Protected Area detected.
    current capacity is 78165360 sectors (40020 MB)
    native  capacity is 78165361 sectors (40020 MB)
hdd: Host Protected Area disabled.
...
hdd: reading: block=78165360, sectors=1, buffer=0xc1e63000
hdd: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hdd: dma_intr: error=0x10 { SectorIdNotFound }, LBAsect=78165360,
sector=78165360
...
Add hpa_list[] table and workaround the issue in idedisk_check_hpa().
v2:
* Add missing export and improve patch description a bit.
v3:
* Add list termination. (From Mikko)
Fixes kernel bugzilla bug #8816.
Thanks to Mikko for investigating the issue and helping with this patch.
Cc: Mikko Rapeli <[EMAIL PROTECTED]>
Cc: Alan Cox <[EMAIL PROTECTED]>
Signed-off-by: Bartlomiej Zolnierkiewicz <[EMAIL PROTECTED]>
--
Possible fake host protected area (hpa) detected in ide drive causing
SectorIdNotFound
https://bugs.launchpad.net/bugs/26119
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