Merge remote branch 'origin' into secretlab/next-devicetree

[pandora-kernel.git] / drivers / scsi / ibmvscsi / ibmvfc.c

diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index 60cd4ec..fef4952 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 {
@@ -2919,6 +2919,7 @@ static DEVICE_ATTR(log_level, S_IRUGO | S_IWUSR,
 #ifdef CONFIG_SCSI_IBMVFC_TRACE
 /**
  * ibmvfc_read_trace - Dump the adapter trace
+ * @filp:              open sysfs file
  * @kobj:              kobject struct
  * @bin_attr:  bin_attribute struct
  * @buf:               buffer
@@ -2928,7 +2929,7 @@ static DEVICE_ATTR(log_level, S_IRUGO | S_IWUSR,
  * Return value:
  *     number of bytes printed to buffer
  **/
-static ssize_t ibmvfc_read_trace(struct kobject *kobj,
+static ssize_t ibmvfc_read_trace(struct file *filp, struct kobject *kobj,
                                 struct bin_attribute *bin_attr,
                                 char *buf, loff_t off, size_t count)
 {
@@ -3013,6 +3014,7 @@ static struct ibmvfc_async_crq *ibmvfc_next_async_crq(struct ibmvfc_host *vhost)
        if (crq->valid & 0x80) {
                if (++async_crq->cur == async_crq->size)
                        async_crq->cur = 0;
+               rmb();
        } else
                crq = NULL;
 
@@ -3035,6 +3037,7 @@ static struct ibmvfc_crq *ibmvfc_next_crq(struct ibmvfc_host *vhost)
        if (crq->valid & 0x80) {
                if (++queue->cur == queue->size)
                        queue->cur = 0;
+               rmb();
        } else
                crq = NULL;
 
@@ -3083,12 +3086,14 @@ static void ibmvfc_tasklet(void *data)
                while ((async = ibmvfc_next_async_crq(vhost)) != NULL) {
                        ibmvfc_handle_async(async, vhost);
                        async->valid = 0;
+                       wmb();
                }
 
                /* Pull all the valid messages off the CRQ */
                while ((crq = ibmvfc_next_crq(vhost)) != NULL) {
                        ibmvfc_handle_crq(crq, vhost);
                        crq->valid = 0;
+                       wmb();
                }
 
                vio_enable_interrupts(vdev);
@@ -3096,10 +3101,12 @@ static void ibmvfc_tasklet(void *data)
                        vio_disable_interrupts(vdev);
                        ibmvfc_handle_async(async, vhost);
                        async->valid = 0;
+                       wmb();
                } else if ((crq = ibmvfc_next_crq(vhost)) != NULL) {
                        vio_disable_interrupts(vdev);
                        ibmvfc_handle_crq(crq, vhost);
                        crq->valid = 0;
+                       wmb();
                } else
                        done = 1;
        }