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path: root/drivers/scsi/fnic/fnic_main.c
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Diffstat (limited to 'drivers/scsi/fnic/fnic_main.c')
-rw-r--r--drivers/scsi/fnic/fnic_main.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/scsi/fnic/fnic_main.c b/drivers/scsi/fnic/fnic_main.c
index bbf81ea3a252..be09b101b4a1 100644
--- a/drivers/scsi/fnic/fnic_main.c
+++ b/drivers/scsi/fnic/fnic_main.c
@@ -556,6 +556,13 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
host->transportt = fnic_fc_transport;
+ err = fnic_stats_debugfs_init(fnic);
+ if (err) {
+ shost_printk(KERN_ERR, fnic->lport->host,
+ "Failed to initialize debugfs for stats\n");
+ fnic_stats_debugfs_remove(fnic);
+ }
+
/* Setup PCI resources */
pci_set_drvdata(pdev, fnic);
@@ -917,6 +924,7 @@ err_out_release_regions:
err_out_disable_device:
pci_disable_device(pdev);
err_out_free_hba:
+ fnic_stats_debugfs_remove(fnic);
scsi_host_put(lp->host);
err_out:
return err;
@@ -969,6 +977,7 @@ static void fnic_remove(struct pci_dev *pdev)
fcoe_ctlr_destroy(&fnic->ctlr);
fc_lport_destroy(lp);
+ fnic_stats_debugfs_remove(fnic);
/*
* This stops the fnic device, masks all interrupts. Completed
@@ -1014,6 +1023,14 @@ static int __init fnic_init_module(void)
printk(KERN_INFO PFX "%s, ver %s\n", DRV_DESCRIPTION, DRV_VERSION);
+ /* Create debugfs entries for fnic */
+ err = fnic_debugfs_init();
+ if (err < 0) {
+ printk(KERN_ERR PFX "Failed to create fnic directory "
+ "for tracing and stats logging\n");
+ fnic_debugfs_terminate();
+ }
+
/* Allocate memory for trace buffer */
err = fnic_trace_buf_init();
if (err < 0) {
@@ -1102,6 +1119,7 @@ err_create_fnic_sgl_slab_max:
kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]);
err_create_fnic_sgl_slab_dflt:
fnic_trace_free();
+ fnic_debugfs_terminate();
return err;
}
@@ -1118,6 +1136,7 @@ static void __exit fnic_cleanup_module(void)
kmem_cache_destroy(fnic_io_req_cache);
fc_release_transport(fnic_fc_transport);
fnic_trace_free();
+ fnic_debugfs_terminate();
}
module_init(fnic_init_module);