tree 26f9d8d37145fac426744f96ecf006ec0a481e31
parent 47005f255ed126a4b48a1a2f63164fb1d83bcb0a
author Jeff Garzik <jeff@garzik.org> 1151034370 -0400
committer Jeff Garzik <jeff@garzik.org> 1151034370 -0400

[libata] Add host lock to struct ata_port

Prepare for changes required to support SATA devices
attached to SAS HBAs. For these devices we don't want to
use host_set at all, since libata will not be the owner
of struct scsi_host.

Signed-off-by: Brian King <brking@us.ibm.com>

(with slight merge modifications made by...)
Signed-off-by: Jeff Garzik <jeff@garzik.org>