block: unify request timeout handling

Right now SCSI and others do their own command timeout handling.
Move those bits to the block layer.

Instead of having a timer per command, we try to be a bit more clever
and simply have one per-queue. This avoids the overhead of having to
tear down and setup a timer for each command, so it will result in a lot
less timer fiddling.

Signed-off-by: Mike Anderson <andmike@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/scsi/ncr53c8xx.c b/drivers/scsi/ncr53c8xx.c
index c57c94c0ffd2..3b7240e40819 100644
--- a/drivers/scsi/ncr53c8xx.c
+++ b/drivers/scsi/ncr53c8xx.c
@@ -4170,8 +4170,8 @@ static int ncr_queue_command (struct ncb *np, struct scsi_cmnd *cmd)
         **
         **----------------------------------------------------
         */
-        if (np->settle_time && cmd->timeout_per_command >= HZ) {
-                u_long tlimit = jiffies + cmd->timeout_per_command - HZ;
+        if (np->settle_time && cmd->request->timeout >= HZ) {
+                u_long tlimit = jiffies + cmd->request->timeout - HZ;
                 if (time_after(np->settle_time, tlimit))
                         np->settle_time = tlimit;
         }