[SCSI] fnic: do not reset dev_loss_tmo in slave callout

This fixes a bug where the driver was resetting the
rport dev_loss_tmo when devices were added by adding
support for the get_host_def_dev_loss_tmo callout.

Patch has only been compile tested.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

diff --git a/drivers/scsi/fnic/fnic_main.c b/drivers/scsi/fnic/fnic_main.c
index 9eb7a9ebccaeb4f2ec6e011a08fcb4990cc334b5..df91a61591b2e3d57e03868927d1c9b433f730af 100644 (file)
--- a/drivers/scsi/fnic/fnic_main.c
+++ b/drivers/scsi/fnic/fnic_main.c
@@ -80,8 +80,6 @@ static struct libfc_function_template fnic_transport_template = {
 static int fnic_slave_alloc(struct scsi_device *sdev)
 {
        struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
-       struct fc_lport *lp = shost_priv(sdev->host);
-       struct fnic *fnic = lport_priv(lp);
 
        sdev->tagged_supported = 1;
 
@@ -89,8 +87,6 @@ static int fnic_slave_alloc(struct scsi_device *sdev)
                return -ENXIO;
 
        scsi_activate_tcq(sdev, FNIC_DFLT_QUEUE_DEPTH);
-       rport->dev_loss_tmo = fnic->config.port_down_timeout / 1000;
-
        return 0;
 }
 
@@ -113,6 +109,15 @@ static struct scsi_host_template fnic_host_template = {
        .shost_attrs = fnic_attrs,
 };
 
+static void
+fnic_get_host_def_loss_tmo(struct Scsi_Host *shost)
+{
+       struct fc_lport *lp = shost_priv(shost);
+       struct fnic *fnic = lport_priv(lp);
+
+       fc_host_def_dev_loss_tmo(shost) = fnic->config.port_down_timeout / 1000;
+}
+
 static void fnic_get_host_speed(struct Scsi_Host *shost);
 static struct scsi_transport_template *fnic_fc_transport;
 static struct fc_host_statistics *fnic_get_stats(struct Scsi_Host *);
@@ -142,6 +147,7 @@ static struct fc_function_template fnic_fc_functions = {
        .show_rport_dev_loss_tmo = 1,
        .issue_fc_host_lip = fnic_reset,
        .get_fc_host_stats = fnic_get_stats,
+       .get_host_def_dev_loss_tmo = fnic_get_host_def_loss_tmo,
        .dd_fcrport_size = sizeof(struct fc_rport_libfc_priv),
        .terminate_rport_io = fnic_terminate_rport_io,
        .bsg_request = fc_lport_bsg_request,