path: root/Documentation/ide/ide.txt
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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2009-06-07 11:52:52 (GMT)
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2009-06-07 11:52:52 (GMT)
commite957b60d1583022a0f7c03267d37fcae2ddb78b1 (patch)
tree5e9518eb38d427b9ac41c9b90b31b9b2453aebfc /Documentation/ide/ide.txt
parentdb429e9ec0f9dee2d8e50c154f04f29f880fc9d6 (diff)
ide-gd: implement block device ->set_capacity method (v2)
* Use ->probed_capacity to store native device capacity for ATA disks. * Add ->set_capacity method to struct ide_disk_ops. * Implement disk device ->set_capacity method for ATA disks. * Implement block device ->set_capacity method. v2: * Check if LBA and HPA are supported in ide_disk_set_capacity(). * According to the spec the SET MAX ADDRESS command shall be immediately preceded by a READ NATIVE MAX ADDRESS command. * Add ide_disk_hpa_{get_native,set}_capacity() helpers. Together with the previous patch adding ->set_capacity block device method this allows automatic disabling of Host Protected Area (HPA) if any partitions overlapping HPA are detected. Cc: Robert Hancock <hancockrwd@gmail.com> Cc: Frans Pop <elendil@planet.nl> Cc: "Andries E. Brouwer" <Andries.Brouwer@cwi.nl> Cc: Al Viro <viro@zeniv.linux.org.uk> Emphatically-Acked-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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