diff options
Diffstat (limited to 'drivers/scsi/ibmvscsi')
| -rw-r--r-- | drivers/scsi/ibmvscsi/ibmvfc.c | 11 | ||||
| -rw-r--r-- | drivers/scsi/ibmvscsi/ibmvfc.h | 1 |
2 files changed, 10 insertions, 2 deletions
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c index c2eea711a5ce..3eb2b7b3d8b0 100644 --- 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; } diff --git a/drivers/scsi/ibmvscsi/ibmvfc.h b/drivers/scsi/ibmvscsi/ibmvfc.h index d25106a958d7..7e9742764e4b 100644 --- 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 |