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>
diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c
index bc9e6dd..ef683f0 100644
--- a/drivers/scsi/ips.c
+++ b/drivers/scsi/ips.c
@@ -3818,7 +3818,7 @@
scb->cmd.dcdb.segment_4G = 0;
scb->cmd.dcdb.enhanced_sg = 0;
- TimeOut = scb->scsi_cmd->timeout_per_command;
+ TimeOut = scb->scsi_cmd->request->timeout;
if (ha->subsys->param[4] & 0x00100000) { /* If NEW Tape DCDB is Supported */
if (!scb->sg_len) {