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Commit 82fe26ba authored by Pete Zaitcev's avatar Pete Zaitcev Committed by Greg Kroah-Hartman
Browse files

ub: Tune retries 



Make ub to fail faster in hopeless cases.

Signed-off-by: default avatarPete Zaitcev <zaitcev@redhat.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 2c51ae70

drivers/block/ub.c

+4 −5
Original line number Diff line number Diff line
@@ -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;

			}