[SCSI] ibmvfc: Reduce error recovery timeout

If a command times out resulting in EH getting invoked, we wait for the
aborted commands to come back after sending the abort. Shorten
the amount of time we wait for these responses, to ensure we don't
get stuck in EH for several minutes.

Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index 9372169..d18f45c 100644 (file)
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -2245,7 +2245,7 @@ static int ibmvfc_wait_for_ops(struct ibmvfc_host *vhost, void *device,
        DECLARE_COMPLETION_ONSTACK(comp);
        int wait;
        unsigned long flags;
-       signed long timeout = init_timeout * HZ;
+       signed long timeout = IBMVFC_ABORT_WAIT_TIMEOUT * HZ;
 
        ENTER;
        do {

diff --git a/drivers/scsi/ibmvscsi/ibmvfc.h b/drivers/scsi/ibmvscsi/ibmvfc.h
index d25106a..7e97427 100644 (file)
--- a/drivers/scsi/ibmvscsi/ibmvfc.h
+++ b/drivers/scsi/ibmvscsi/ibmvfc.h
@@ -38,6 +38,7 @@
 #define IBMVFC_ADISC_PLUS_CANCEL_TIMEOUT       \
                (IBMVFC_ADISC_TIMEOUT + IBMVFC_ADISC_CANCEL_TIMEOUT)
 #define IBMVFC_INIT_TIMEOUT            120
+#define IBMVFC_ABORT_WAIT_TIMEOUT      40
 #define IBMVFC_MAX_REQUESTS_DEFAULT    100
 
 #define IBMVFC_DEBUG                   0