static int seq_client_debugfs_init(struct lu_client_seq *seq)
{
int rc;
seq->lcs_debugfs_entry = ldebugfs_register(seq->lcs_name,
seq_debugfs_dir,
NULL, NULL);
if (IS_ERR_OR_NULL(seq->lcs_debugfs_entry)) {
CERROR("%s: LdebugFS failed in seq-init\n", seq->lcs_name);
rc = seq->lcs_debugfs_entry ? PTR_ERR(seq->lcs_debugfs_entry)
: -ENOMEM;
seq->lcs_debugfs_entry = NULL;
return rc;
}
rc = ldebugfs_add_vars(seq->lcs_debugfs_entry,
seq_client_debugfs_list, seq);
if (rc) {
CERROR("%s: Can't init sequence manager debugfs, rc %d\n",
seq->lcs_name, rc);
goto out_cleanup;
}
return 0;
out_cleanup:
seq_client_debugfs_fini(seq);
return rc;
}
int ldlm_debugfs_setup(void)
{
int rc;
ldlm_debugfs_dir = ldebugfs_register(OBD_LDLM_DEVICENAME,
debugfs_lustre_root,
NULL, NULL);
if (IS_ERR_OR_NULL(ldlm_debugfs_dir)) {
CERROR("LProcFS failed in ldlm-init\n");
rc = ldlm_debugfs_dir ? PTR_ERR(ldlm_debugfs_dir) : -ENOMEM;
goto err;
}
ldlm_ns_debugfs_dir = ldebugfs_register("namespaces",
ldlm_debugfs_dir,
NULL, NULL);
if (IS_ERR_OR_NULL(ldlm_ns_debugfs_dir)) {
CERROR("LProcFS failed in ldlm-init\n");
rc = ldlm_ns_debugfs_dir ? PTR_ERR(ldlm_ns_debugfs_dir)
: -ENOMEM;
goto err_type;
}
ldlm_svc_debugfs_dir = ldebugfs_register("services",
ldlm_debugfs_dir,
NULL, NULL);
if (IS_ERR_OR_NULL(ldlm_svc_debugfs_dir)) {
CERROR("LProcFS failed in ldlm-init\n");
rc = ldlm_svc_debugfs_dir ? PTR_ERR(ldlm_svc_debugfs_dir)
: -ENOMEM;
goto err_ns;
}
rc = ldebugfs_add_vars(ldlm_debugfs_dir, ldlm_debugfs_list, NULL);
if (rc) {
CERROR("LProcFS failed in ldlm-init\n");
goto err_svc;
}
return 0;
err_svc:
ldebugfs_remove(&ldlm_svc_debugfs_dir);
err_ns:
ldebugfs_remove(&ldlm_ns_debugfs_dir);
err_type:
ldebugfs_remove(&ldlm_debugfs_dir);
err:
ldlm_svc_debugfs_dir = NULL;
ldlm_ns_debugfs_dir = NULL;
ldlm_debugfs_dir = NULL;
return rc;
}
struct dentry *ldebugfs_register(const char *name,
struct dentry *parent,
struct lprocfs_vars *list, void *data)
{
struct dentry *entry;
entry = debugfs_create_dir(name, parent);
if (IS_ERR_OR_NULL(entry)) {
entry = entry ?: ERR_PTR(-ENOMEM);
goto out;
}
if (!IS_ERR_OR_NULL(list)) {
int rc;
rc = ldebugfs_add_vars(entry, list, data);
if (rc != 0) {
debugfs_remove(entry);
entry = ERR_PTR(rc);
}
}
out:
return entry;
}