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ibmvfc: Process async events before command responses

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Since async events could indicate changes to link status, or
events which could affect decisions made during discovery, we should
process async events prior to command completion responses.

Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Brian King 2009-06-18 09:06:52 -05:00 • committed by James Bottomley
parent 7414705ea4
commit f1d7fb7a8a
1 changed files with 10 additions and 10 deletions
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20
drivers/scsi/ibmvscsi/ibmvfc.c
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@ -2783,27 +2783,27 @@ static void ibmvfc_tasklet(void *data)
spin_lock_irqsave(vhost->host->host_lock, flags);
while (!done) {
/* Pull all the valid messages off the CRQ */
while ((crq = ibmvfc_next_crq(vhost)) != NULL) {
ibmvfc_handle_crq(crq, vhost);
crq->valid = 0;
}
/* Pull all the valid messages off the async CRQ */
while ((async = ibmvfc_next_async_crq(vhost)) != NULL) {
ibmvfc_handle_async(async, vhost);
async->valid = 0;
}
vio_enable_interrupts(vdev);
if ((crq = ibmvfc_next_crq(vhost)) != NULL) {
vio_disable_interrupts(vdev);
/* Pull all the valid messages off the CRQ */
while ((crq = ibmvfc_next_crq(vhost)) != NULL) {
ibmvfc_handle_crq(crq, vhost);
crq->valid = 0;
} else if ((async = ibmvfc_next_async_crq(vhost)) != NULL) {
}
vio_enable_interrupts(vdev);
if ((async = ibmvfc_next_async_crq(vhost)) != NULL) {
vio_disable_interrupts(vdev);
ibmvfc_handle_async(async, vhost);
async->valid = 0;
} else if ((crq = ibmvfc_next_crq(vhost)) != NULL) {
vio_disable_interrupts(vdev);
ibmvfc_handle_crq(crq, vhost);
crq->valid = 0;
} else
done = 1;
}