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| author | Hiral Shah <hishah@cisco.com> | 2014-11-10 12:54:32 -0800 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2014-11-20 09:10:08 +0100 |
| commit | a232bfbe195df4b85ff9e5876534fe4081d9fd9a (patch) | |
| tree | 542e09e08c880ba99b78ccf640abb16509219636 /drivers/scsi/fnic | |
| parent | 2043e1fd09c1896bb03a6e25b64baa84a30879c9 (diff) | |
| download | linux-a232bfbe195df4b85ff9e5876534fe4081d9fd9a.tar.gz | |
Fnic: Not probing all the vNICS via fnic_probe on boot
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 <hishah@cisco.com> Signed-off-by: Sesidhar Baddela <sebaddel@cisco.com> Signed-off-by: Anil Chintalapati <achintal@cisco.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/scsi/fnic')
| -rw-r--r-- | drivers/scsi/fnic/fnic.h | 2 | ||||
| -rw-r--r-- | 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 bf8d34c26f13..69dee6838678 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 cf1560c30b7f..1e5706ed9a40 100644 --- a/drivers/scsi/fnic/fnic_main.c +++ b/drivers/scsi/fnic/fnic_main.c @@ -437,21 +437,30 @@ 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; } |