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SubjectRe: [PATCH] cciss: use lun reset not target reset
almost the same patch has been accepted for hpsa so

Acked-by: Tomas Henzl <thenzl@redhat.com>

On 01/07/2013 05:30 PM, Stephen M. Cameron wrote:
> From: Stephen M. Cameron <scameron@beardog.cce.hp.com>
>
> In the scsi part of the driver (for tape drives and medium changers)
> the device reset error handler attempts to use a target reset rather
> than a lun reset. If there is some shared tape drive library, this
> could be potentially disruptive to other hosts trying to use the
> tape library. Use lun reset instead to only reset the lun not the
> whole target.
>
> Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
> ---
> drivers/block/cciss.c | 4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
> index 6526157..64d1d82 100644
> --- a/drivers/block/cciss.c
> +++ b/drivers/block/cciss.c
> @@ -2632,7 +2632,7 @@ static int fill_cmd(ctlr_info_t *h, CommandList_struct *c, __u8 cmd, void *buff,
> c->Request.Timeout = 0;
> memset(&c->Request.CDB[0], 0, sizeof(c->Request.CDB));
> c->Request.CDB[0] = cmd; /* reset */
> - c->Request.CDB[1] = CCISS_RESET_TYPE_TARGET;
> + c->Request.CDB[1] = CCISS_RESET_TYPE_LUN;
> break;
> case CCISS_NOOP_MSG:
> c->Request.CDBLen = 1;
> @@ -2674,7 +2674,7 @@ static int __devinit cciss_send_reset(ctlr_info_t *h, unsigned char *scsi3addr,
> return -ENOMEM;
> return_status = fill_cmd(h, c, CCISS_RESET_MSG, NULL, 0, 0,
> CTLR_LUNID, TYPE_MSG);
> - c->Request.CDB[1] = reset_type; /* fill_cmd defaults to target reset */
> + c->Request.CDB[1] = reset_type; /* fill_cmd defaults to lun reset */
> if (return_status != IO_OK) {
> cmd_special_free(h, c);
> return return_status;
>
> --
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