Commit 318c7c43 authored by Suma Ramars's avatar Suma Ramars Committed by James Bottomley
Browse files

[SCSI] fnic: Remove QUEUE_FULL handling code

Remove fnic driver QUEUE_FULL handling code instead let SCSI mid layer
handle queue full and use its algorithm to ramp down/up queue

Signed-off-by: default avatarSuma Ramars <>
Signed-off-by: default avatarHiral Patel <>
Signed-off-by: default avatarJames Bottomley <>
parent 87aa619c
......@@ -818,38 +818,6 @@ static void fnic_fcpio_icmnd_cmpl_handler(struct fnic *fnic,
if (icmnd_cmpl->flags & FCPIO_ICMND_CMPL_RESID_UNDER)
xfer_len -= icmnd_cmpl->residual;
* If queue_full, then try to reduce queue depth for all
* LUNS on the target. Todo: this should be accompanied
* by a periodic queue_depth rampup based on successful
* IO completion.
if (icmnd_cmpl->scsi_status == QUEUE_FULL) {
struct scsi_device *t_sdev;
int qd = 0;
shost_for_each_device(t_sdev, sc->device->host) {
if (t_sdev->id != sc->device->id)
if (t_sdev->queue_depth > 1) {
qd = scsi_track_queue_full
t_sdev->queue_depth - 1);
if (qd == -1)
qd = t_sdev->host->cmd_per_lun;
"] queue full detected,"
"new depth = %d\n",
t_sdev->id, t_sdev->lun,
case FCPIO_TIMEOUT: /* request was timed out */
Supports Markdown
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment