commit 8ed5a4d2f7d8b296a22fed7ec2b543c0500d13be
author Akinobu Mita <akinobu.mita@gmail.com> Mon Jun 02 22:56:48 2014 +0900
committer Christoph Hellwig <hch@lst.de> Thu Jul 17 22:07:30 2014 +0200
tree dc961ca6a6098eac84e132abb09db687c700e87b
parent e430cbc8bbd779454516467b2947a97b4003c081

scsi: increase upper limit for max_sectors

max_sectors in struct Scsi_Host specifies maximum number of sectors
allowed in a single SCSI command.  The data type of max_sectors is
unsigned short, so the maximum transfer length per SCSI command is
limited to less than 256MB in 4096-bytes sector size. (0xffff * 4096)

This commit increases the SCSI mid level's limitation for max_sectors
upto the block layer's limitation for max_hw_sectors by extending the
data type of max_sectors in struct Scsi_Host and scsi_host_template,
so that SCSI lower level drivers can specify more than 0xffff.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>