Re: [PATCH] cciss: Initialize scsi host max_sectors for tape drive support

[Andrew Morton <akpm@linux-foundation.org>]

On Wed, 21 Mar 2012 16:32:03 -0500
"Stephen M. Cameron" <scameron@beardog.cce.hp.com> wrote:

> From: Stephen M. Cameron <scameron@beardog.cce.hp.com>
> 
> The default is too small

So is the changelog.

> (1024 blocks), use h->cciss_max_sectors (8192 blocks)

What problem does this patch solve?  What might be the user-visible
effects of the change?

> Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
> ---
>  drivers/block/cciss_scsi.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/block/cciss_scsi.c b/drivers/block/cciss_scsi.c
> index e820b68..f510a9c 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;