From: Mike Christie <michaelc@xxxxxxxxxxx>
This converts the libfc using scsi_track_queue_full to
track the queue full from the change_queue_depth callback.
Signed-off-by: Mike Christie <michaelc@xxxxxxxxxxx>
Signed-off-by: Vasu Dev <vasu.dev@xxxxxxxxx>
---
drivers/scsi/libfc/fc_fcp.c | 26 +++++++++-----------------
1 files changed, 9 insertions(+), 17 deletions(-)
diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c
index d748e03..6c189be 100644
--- a/drivers/scsi/libfc/fc_fcp.c
+++ b/drivers/scsi/libfc/fc_fcp.c
@@ -1814,21 +1814,6 @@ static void fc_io_compl(struct fc_fcp_pkt *fsp)
sc_cmd->result = DID_OK << 16;
if (fsp->scsi_resid)
CMD_RESID_LEN(sc_cmd) = fsp->scsi_resid;
- } else if (fsp->cdb_status == QUEUE_FULL) {
- struct scsi_device *tmp_sdev;
- struct scsi_device *sdev = sc_cmd->device;
-
- shost_for_each_device(tmp_sdev, sdev->host) {
- if (tmp_sdev->id != sdev->id)
- continue;
-
- if (tmp_sdev->queue_depth > 1) {
- scsi_track_queue_full(tmp_sdev,
- tmp_sdev->
- queue_depth - 1);
- }
- }
- sc_cmd->result = (DID_OK << 16) | fsp->cdb_status;
} else {
/*
* transport level I/O was ok but scsi
@@ -2064,9 +2049,16 @@ EXPORT_SYMBOL(fc_slave_alloc);
int fc_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
{
- if (reason != SCSI_QDEPTH_DEFAULT)
+ switch (reason) {
+ case SCSI_QDEPTH_DEFAULT:
+ scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
+ break;
+ case SCSI_QDEPTH_QFULL:
+ scsi_track_queue_full(sdev, qdepth);
+ break;
+ default:
return -EOPNOTSUPP;
- scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
+ }
return sdev->queue_depth;
}
EXPORT_SYMBOL(fc_change_queue_depth);
--
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