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[SCSI] libfc: convert to scsi_track_queue_full 

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@cs.wisc.edu>
Signed-off-by: Vasu Dev <vasu.dev@intel.com>
Acked-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Mike Christie 2009-10-15 17:46:50 -07:00 committed by James Bottomley
parent 42a6a91833
commit 5c20848a09
1 changed files with 9 additions and 18 deletions
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27
drivers/scsi/libfc/fc_fcp.c
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@ -1815,21 +1815,6 @@ 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
@ -2066,10 +2051,16 @@ 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);