zfcp host adapater changes:
 - Add ability to enqueue other WKA ports besides the nameserver port.
 - Document and cleanup sg_list functions.
 - Add get_port_by_did/get_adapater_by_busid functions.
 - Improve documentation of some functions and structures.
 - Fix error handling for nameserver requests.
 - Correct size check in zfcp_sg_list_copy_to_user.
 - Correct parameter description for loglevel parameter.
 - Remove unsused code, types and definitions.
 - Add support for exchange_port_data command.
 - Add infrastructure to set timers for ELS and SCSI commands.
 - Avoid adapter shutdown after receiving FSF_SQ_ULP_PROGRAMMING_ERROR.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>