In fnic_dev_wait, Wait for finish to complete at least three times in two
seconds while loop before returning -ETIMEDOUT as sometime
 schedule_timeout_uninterruptible takes more than two seconds to wake up.

- Increment fnic version from 1.6.0.11 to 1.6.0.12

Signed-off-by: Hiral Shah <[email protected]>
Signed-off-by: Sesidhar Baddela <[email protected]>
Signed-off-by: Anil Chintalapati <[email protected]>
---
 drivers/scsi/fnic/fnic.h      |  2 +-
 drivers/scsi/fnic/fnic_main.c | 13 +++++++++++--
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/fnic/fnic.h b/drivers/scsi/fnic/fnic.h
index bf8d34c..69dee68 100644
--- a/drivers/scsi/fnic/fnic.h
+++ b/drivers/scsi/fnic/fnic.h
@@ -39,7 +39,7 @@
 
 #define DRV_NAME               "fnic"
 #define DRV_DESCRIPTION                "Cisco FCoE HBA Driver"
-#define DRV_VERSION            "1.6.0.11"
+#define DRV_VERSION            "1.6.0.12"
 #define PFX                    DRV_NAME ": "
 #define DFX                     DRV_NAME "%d: "
 
diff --git a/drivers/scsi/fnic/fnic_main.c b/drivers/scsi/fnic/fnic_main.c
index 8c56fdc..782e6a8 100644
--- a/drivers/scsi/fnic/fnic_main.c
+++ b/drivers/scsi/fnic/fnic_main.c
@@ -438,21 +438,30 @@ static int fnic_dev_wait(struct vnic_dev *vdev,
        unsigned long time;
        int done;
        int err;
+       int count;
+
+       count = 0;
 
        err = start(vdev, arg);
        if (err)
                return err;
 
-       /* Wait for func to complete...2 seconds max */
+       /* Wait for func to complete.
+       * Sometime schedule_timeout_uninterruptible take long time
+       * to wake up so we do not retry as we are only waiting for
+       * 2 seconds in while loop. By adding count, we make sure
+       * we try atleast three times before returning -ETIMEDOUT
+       */
        time = jiffies + (HZ * 2);
        do {
                err = finished(vdev, &done);
+               count++;
                if (err)
                        return err;
                if (done)
                        return 0;
                schedule_timeout_uninterruptible(HZ / 10);
-       } while (time_after(time, jiffies));
+       } while (time_after(time, jiffies) || (count < 3));
 
        return -ETIMEDOUT;
 }
-- 
1.8.5.4

--
To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to