[libata] SCSI: improve FORMAT UNIT; minor code cleanups

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* SAT specifies that FORMAT UNIT should be translated into a series
  of READ and WRITE commands that zero the ATA device.  That is far too
  cumbersome to bother with.

  Since we don't actually format the device, the old behavior of
  always returning success was inaccurate.  Change FORMAT UNIT from
  returning success immediately (old behavior) to always returning
  an error (new behavior).

* Add some comments around SYNCHRONIZE CACHE

* Shuffle scsi command code around a bit, so that things are close
  to alphabetic order.

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

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This commit is contained in:

Jeff Garzik 2007-09-21 07:26:08 -04:00

parent 4539414552

commit 00bd02027f

1 changed files with 17 additions and 8 deletions

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drivers/ata/libata-scsi.c

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