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authorJens Axboe <jens.axboe@oracle.com>2008-09-14 08:55:09 -0400
committerJens Axboe <jens.axboe@oracle.com>2008-10-09 02:56:13 -0400
commit242f9dcb8ba6f68fcd217a119a7648a4f69290e9 (patch)
tree1bfe245ffbc50d204d76665cd8f90d85100f86a1 /drivers/scsi/ncr53c8xx.c
parent608aeef17a91747d6303de4df5e2c2e6899a95e8 (diff)
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>
Diffstat (limited to 'drivers/scsi/ncr53c8xx.c')
-rw-r--r--drivers/scsi/ncr53c8xx.c4
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)
4170 ** 4170 **
4171 **---------------------------------------------------- 4171 **----------------------------------------------------
4172 */ 4172 */
4173 if (np->settle_time && cmd->timeout_per_command >= HZ) { 4173 if (np->settle_time && cmd->request->timeout >= HZ) {
4174 u_long tlimit = jiffies + cmd->timeout_per_command - HZ; 4174 u_long tlimit = jiffies + cmd->request->timeout - HZ;
4175 if (time_after(np->settle_time, tlimit)) 4175 if (time_after(np->settle_time, tlimit))
4176 np->settle_time = tlimit; 4176 np->settle_time = tlimit;
4177 } 4177 }