Those are no longer in use since commit 242f9dcb8ba6
("block: unify request timeout handling").

Signed-off-by: Avri Altman <avri.alt...@wdc.com>
---
 include/scsi/scsi_host.h | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 4047d68..dbbdfbd 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -300,11 +300,7 @@ struct scsi_host_template {
        /*
         * This is an optional routine that allows the transport to become
         * involved when a scsi io timer fires. The return value tells the
-        * timer routine how to finish the io timeout handling:
-        * EH_HANDLED:          I fixed the error, please complete the command
-        * EH_RESET_TIMER:      I need more time, reset the timer and
-        *                      begin counting again
-        * EH_DONE:             Begin normal error recovery
+        * timer routine how to finish the io timeout handling.
         *
         * Status: OPTIONAL
         */
-- 
1.9.1

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