From: Stephen M. Cameron Date: Thu, 22 Mar 2012 20:40:08 +0000 (+0100) Subject: cciss: Initialize scsi host max_sectors for tape drive support X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=395d287526bb60411ff37b19ad9dd38b58ba8732;p=linux-beck.git cciss: Initialize scsi host max_sectors for tape drive support The default is too small (1024 blocks), use h->cciss_max_sectors (8192 blocks) Without this change, if you try to set the block size of a tape drive above 512*1024, via "mt -f /dev/st0 setblk nnn" where nnn is greater than 524288, it won't work right. Signed-off-by: Stephen M. Cameron Cc: stable@vger.kernel.org Signed-off-by: Jens Axboe --- diff --git a/drivers/block/cciss_scsi.c b/drivers/block/cciss_scsi.c index e820b68d2f6c..f510a9c9a6fd 100644 --- a/drivers/block/cciss_scsi.c +++ b/drivers/block/cciss_scsi.c @@ -866,6 +866,7 @@ cciss_scsi_detect(ctlr_info_t *h) sh->can_queue = cciss_tape_cmds; sh->sg_tablesize = h->maxsgentries; sh->max_cmd_len = MAX_COMMAND_SIZE; + sh->max_sectors = h->cciss_max_sectors; ((struct cciss_scsi_adapter_data_t *) h->scsi_ctlr)->scsi_host = sh;