[PATCH] s390: zfcp host adapter

[PATCH] s390: zfcp host adapter

From: Heiko Carstens <heiko.carstens@de.ibm.com>
From: Andreas Herrmann <aherrman@de.ibm.com>
From: Maxim Shchetynin <maxim@de.ibm.com>

zfcp host adapter changes:
 - Use predefined macro to create in_recovery sysfs attributes.
 - Add function to check CT_IU response.
 - Fix handling of rejected ELS commands.
 - Change return value of zfcp_fsf_req_sbal_get to -ERESTARTSYS in some cases.
 - Return proper error code if control file upload/download failed.
 - Remove dead code.
 - Avoid sparse warnings.

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>