-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* Modifications for Lustre
*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+ *
+ * Copyright (c) 2012, Intel Corporation.
*
* Author: Eric Mei <ericm@clusterfs.com>
*/
*
*/
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
#define DEBUG_SUBSYSTEM S_SEC
#ifdef __KERNEL__
#include <linux/init.h>
#include "gss_api.h"
static CFS_LIST_HEAD(registered_mechs);
-static spinlock_t registered_mechs_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(registered_mechs_lock);
int lgss_mech_register(struct gss_api_mech *gm)
{
- spin_lock(®istered_mechs_lock);
- list_add(&gm->gm_list, ®istered_mechs);
- spin_unlock(®istered_mechs_lock);
- CWARN("Register %s mechanism\n", gm->gm_name);
- return 0;
+ spin_lock(®istered_mechs_lock);
+ cfs_list_add(&gm->gm_list, ®istered_mechs);
+ spin_unlock(®istered_mechs_lock);
+ CWARN("Register %s mechanism\n", gm->gm_name);
+ return 0;
}
void lgss_mech_unregister(struct gss_api_mech *gm)
{
- spin_lock(®istered_mechs_lock);
- list_del(&gm->gm_list);
- spin_unlock(®istered_mechs_lock);
- CWARN("Unregister %s mechanism\n", gm->gm_name);
+ spin_lock(®istered_mechs_lock);
+ cfs_list_del(&gm->gm_list);
+ spin_unlock(®istered_mechs_lock);
+ CWARN("Unregister %s mechanism\n", gm->gm_name);
}
struct gss_api_mech *lgss_mech_get(struct gss_api_mech *gm)
{
- __module_get(gm->gm_owner);
- return gm;
+ __module_get(gm->gm_owner);
+ return gm;
}
struct gss_api_mech *lgss_name_to_mech(char *name)
{
- struct gss_api_mech *pos, *gm = NULL;
-
- spin_lock(®istered_mechs_lock);
- list_for_each_entry(pos, ®istered_mechs, gm_list) {
- if (0 == strcmp(name, pos->gm_name)) {
- if (!try_module_get(pos->gm_owner))
- continue;
- gm = pos;
- break;
- }
- }
- spin_unlock(®istered_mechs_lock);
- return gm;
+ struct gss_api_mech *pos, *gm = NULL;
+
+ spin_lock(®istered_mechs_lock);
+ cfs_list_for_each_entry(pos, ®istered_mechs, gm_list) {
+ if (0 == strcmp(name, pos->gm_name)) {
+ if (!try_module_get(pos->gm_owner))
+ continue;
+ gm = pos;
+ break;
+ }
+ }
+ spin_unlock(®istered_mechs_lock);
+ return gm;
}
struct gss_api_mech *lgss_subflavor_to_mech(__u32 subflavor)
{
- struct gss_api_mech *pos, *gm = NULL;
-
- spin_lock(®istered_mechs_lock);
- list_for_each_entry(pos, ®istered_mechs, gm_list) {
- if (!try_module_get(pos->gm_owner))
- continue;
- if (!mech_supports_subflavor(pos, subflavor)) {
- module_put(pos->gm_owner);
- continue;
- }
- gm = pos;
- break;
- }
- spin_unlock(®istered_mechs_lock);
- return gm;
+ struct gss_api_mech *pos, *gm = NULL;
+
+ spin_lock(®istered_mechs_lock);
+ cfs_list_for_each_entry(pos, ®istered_mechs, gm_list) {
+ if (!try_module_get(pos->gm_owner))
+ continue;
+ if (!mech_supports_subflavor(pos, subflavor)) {
+ module_put(pos->gm_owner);
+ continue;
+ }
+ gm = pos;
+ break;
+ }
+ spin_unlock(®istered_mechs_lock);
+ return gm;
}
void lgss_mech_put(struct gss_api_mech *gm)
{
- module_put(gm->gm_owner);
+ module_put(gm->gm_owner);
}
/* The mech could probably be determined from the token instead, but it's just
__u32 lgss_unwrap_bulk(struct gss_ctx *context_handle,
struct ptlrpc_bulk_desc *desc,
- rawobj_t *token)
+ rawobj_t *token,
+ int adj_nob)
{
LASSERT(context_handle);
LASSERT(context_handle->mech_type);
LASSERT(context_handle->mech_type->gm_ops->gss_unwrap_bulk);
return context_handle->mech_type->gm_ops
- ->gss_unwrap_bulk(context_handle, desc, token);
+ ->gss_unwrap_bulk(context_handle, desc, token, adj_nob);
}
/* gss_delete_sec_context: free all resources associated with context_handle.