Provided by: linux-doc-2.6.15_2.6.15-23.39_all bug

NAME

       ata_scsi_find_dev - lookup ata_device from scsi_cmnd

SYNOPSIS

       struct ata_device * ata_scsi_find_dev  (struct ata_port * ap,
                                                  const struct scsi_device * scsidev);

ARGUMENTS

       ap     ATA port to which the device is attached

       scsidev
              SCSI device from which we derive the ATA device

DESCRIPTION

       Given  various  information provided in struct scsi_cmnd, map that onto
       an ATA bus, and  using  that  mapping  determine  which  ata_device  is
       associated with the SCSI command to be sent.

LOCKING

       spin_lock_irqsave(host_set lock)

RETURNS

       Associated ATA device, or NULL if not found.

AUTHOR

       Jeff Garzik.