From 82fe26ba7a21d9bcc77e6142c941683eede32940 Mon Sep 17 00:00:00 2001 From: Pete Zaitcev Date: Sat, 19 Apr 2008 14:35:30 -0700 Subject: [PATCH] ub: Tune retries Make ub to fail faster in hopeless cases. Signed-off-by: Pete Zaitcev Signed-off-by: Greg Kroah-Hartman --- drivers/block/ub.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/block/ub.c b/drivers/block/ub.c index b87ad77e5bb5..5c6a6e89d2fb 100644 --- a/drivers/block/ub.c +++ b/drivers/block/ub.c @@ -792,10 +792,6 @@ static void ub_rw_cmd_done(struct ub_dev *sc, struct ub_scsi_cmd *cmd) scsi_status = 0; } else { if (cmd->act_len != cmd->len) { - if ((cmd->key == MEDIUM_ERROR || - cmd->key == UNIT_ATTENTION) && - ub_rw_cmd_retry(sc, lun, urq, cmd) == 0) - return; scsi_status = SAM_STAT_CHECK_CONDITION; } else { scsi_status = 0; @@ -811,7 +807,10 @@ static void ub_rw_cmd_done(struct ub_dev *sc, struct ub_scsi_cmd *cmd) else scsi_status = DID_ERROR << 16; } else { - if (cmd->error == -EIO) { + if (cmd->error == -EIO && + (cmd->key == 0 || + cmd->key == MEDIUM_ERROR || + cmd->key == UNIT_ATTENTION)) { if (ub_rw_cmd_retry(sc, lun, urq, cmd) == 0) return; } -- 2.20.1