-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
*
- * lustre/llite/llite_rmtacl.c
- * Lustre Remote User Access Control List.
- * Author: Fan Yong <fanyong@clusterfs.com>
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * Copyright (c) 2004-2007 Cluster File Systems, Inc.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * This file is part of Lustre, http://www.lustre.org.
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * Lustre is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
*
- * Lustre is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
*
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * Copyright (c) 2012, Intel Corporation.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/llite/llite_rmtacl.c
+ *
+ * Lustre Remote User Access Control List.
+ *
+ * Author: Fan Yong <fanyong@clusterfs.com>
*/
#define DEBUG_SUBSYSTEM S_LLITE
#ifdef CONFIG_FS_POSIX_ACL
-#include <lustre_lite.h>
+#include <lustre_eacl.h>
#include "llite_internal.h"
static inline __u32 rce_hashfunc(uid_t id)
if (!rce)
return NULL;
- CFS_INIT_LIST_HEAD(&rce->rce_list);
+ INIT_LIST_HEAD(&rce->rce_list);
rce->rce_key = key;
rce->rce_ops = ops;
static void rce_free(struct rmtacl_ctl_entry *rce)
{
- if (!list_empty(&rce->rce_list))
- list_del(&rce->rce_list);
+ if (!list_empty(&rce->rce_list))
+ list_del(&rce->rce_list);
OBD_FREE_PTR(rce);
}
pid_t key)
{
struct rmtacl_ctl_entry *rce;
- struct list_head *head = &rct->rct_entries[rce_hashfunc(key)];
+ struct list_head *head = &rct->rct_entries[rce_hashfunc(key)];
- list_for_each_entry(rce, head, rce_list)
+ list_for_each_entry(rce, head, rce_list)
if (rce->rce_key == key)
return rce;
struct rmtacl_ctl_entry *rct_search(struct rmtacl_ctl_table *rct, pid_t key)
{
- struct rmtacl_ctl_entry *rce;
+ struct rmtacl_ctl_entry *rce;
- spin_lock(&rct->rct_lock);
- rce = __rct_search(rct, key);
- spin_unlock(&rct->rct_lock);
- return rce;
+ spin_lock(&rct->rct_lock);
+ rce = __rct_search(rct, key);
+ spin_unlock(&rct->rct_lock);
+ return rce;
}
int rct_add(struct rmtacl_ctl_table *rct, pid_t key, int ops)
if (rce == NULL)
return -ENOMEM;
- spin_lock(&rct->rct_lock);
- e = __rct_search(rct, key);
- if (unlikely(e != NULL)) {
- CWARN("Unexpected stale rmtacl_entry found: "
- "[key: %d] [ops: %d]\n", (int)key, ops);
- rce_free(e);
- }
- list_add_tail(&rce->rce_list, &rct->rct_entries[rce_hashfunc(key)]);
- spin_unlock(&rct->rct_lock);
-
- return 0;
+ spin_lock(&rct->rct_lock);
+ e = __rct_search(rct, key);
+ if (unlikely(e != NULL)) {
+ CWARN("Unexpected stale rmtacl_entry found: "
+ "[key: %d] [ops: %d]\n", (int)key, ops);
+ rce_free(e);
+ }
+ list_add_tail(&rce->rce_list, &rct->rct_entries[rce_hashfunc(key)]);
+ spin_unlock(&rct->rct_lock);
+
+ return 0;
}
int rct_del(struct rmtacl_ctl_table *rct, pid_t key)
{
- struct rmtacl_ctl_entry *rce;
+ struct rmtacl_ctl_entry *rce;
- spin_lock(&rct->rct_lock);
- rce = __rct_search(rct, key);
- if (rce)
- rce_free(rce);
- spin_unlock(&rct->rct_lock);
+ spin_lock(&rct->rct_lock);
+ rce = __rct_search(rct, key);
+ if (rce)
+ rce_free(rce);
+ spin_unlock(&rct->rct_lock);
- return rce ? 0 : -ENOENT;
+ return rce ? 0 : -ENOENT;
}
void rct_init(struct rmtacl_ctl_table *rct)
{
- int i;
+ int i;
- spin_lock_init(&rct->rct_lock);
- for (i = 0; i < RCE_HASHES; i++)
- CFS_INIT_LIST_HEAD(&rct->rct_entries[i]);
+ spin_lock_init(&rct->rct_lock);
+ for (i = 0; i < RCE_HASHES; i++)
+ INIT_LIST_HEAD(&rct->rct_entries[i]);
}
void rct_fini(struct rmtacl_ctl_table *rct)
{
- struct rmtacl_ctl_entry *rce;
- int i;
-
- spin_lock(&rct->rct_lock);
- for (i = 0; i < RCE_HASHES; i++)
- while (!list_empty(&rct->rct_entries[i])) {
- rce = list_entry(rct->rct_entries[i].next,
- struct rmtacl_ctl_entry, rce_list);
- rce_free(rce);
- }
- spin_unlock(&rct->rct_lock);
+ struct rmtacl_ctl_entry *rce;
+ int i;
+
+ spin_lock(&rct->rct_lock);
+ for (i = 0; i < RCE_HASHES; i++)
+ while (!list_empty(&rct->rct_entries[i])) {
+ rce = list_entry(rct->rct_entries[i].next,
+ struct rmtacl_ctl_entry, rce_list);
+ rce_free(rce);
+ }
+ spin_unlock(&rct->rct_lock);
}
if (!ee)
return NULL;
- CFS_INIT_LIST_HEAD(&ee->ee_list);
+ INIT_LIST_HEAD(&ee->ee_list);
ee->ee_key = key;
ee->ee_fid = *fid;
ee->ee_type = type;
void ee_free(struct eacl_entry *ee)
{
- if (!list_empty(&ee->ee_list))
- list_del(&ee->ee_list);
+ if (!list_empty(&ee->ee_list))
+ list_del(&ee->ee_list);
if (ee->ee_acl)
lustre_ext_acl_xattr_free(ee->ee_acl);
struct lu_fid *fid, int type)
{
struct eacl_entry *ee;
- struct list_head *head = &et->et_entries[ee_hashfunc(key)];
+ struct list_head *head = &et->et_entries[ee_hashfunc(key)];
LASSERT(fid != NULL);
- list_for_each_entry(ee, head, ee_list)
+ list_for_each_entry(ee, head, ee_list)
if (ee->ee_key == key) {
if (lu_fid_eq(&ee->ee_fid, fid) &&
ee->ee_type == type) {
- list_del_init(&ee->ee_list);
+ list_del_init(&ee->ee_list);
return ee;
}
}
struct eacl_entry *et_search_del(struct eacl_table *et, pid_t key,
struct lu_fid *fid, int type)
{
- struct eacl_entry *ee;
+ struct eacl_entry *ee;
- spin_lock(&et->et_lock);
- ee = __et_search_del(et, key, fid, type);
- spin_unlock(&et->et_lock);
- return ee;
+ spin_lock(&et->et_lock);
+ ee = __et_search_del(et, key, fid, type);
+ spin_unlock(&et->et_lock);
+ return ee;
}
void et_search_free(struct eacl_table *et, pid_t key)
{
- struct eacl_entry *ee, *next;
- struct list_head *head = &et->et_entries[ee_hashfunc(key)];
+ struct eacl_entry *ee, *next;
+ struct list_head *head = &et->et_entries[ee_hashfunc(key)];
- spin_lock(&et->et_lock);
- list_for_each_entry_safe(ee, next, head, ee_list)
- if (ee->ee_key == key)
- ee_free(ee);
+ spin_lock(&et->et_lock);
+ list_for_each_entry_safe(ee, next, head, ee_list)
+ if (ee->ee_key == key)
+ ee_free(ee);
- spin_unlock(&et->et_lock);
+ spin_unlock(&et->et_lock);
}
int ee_add(struct eacl_table *et, pid_t key, struct lu_fid *fid, int type,
if (ee == NULL)
return -ENOMEM;
- spin_lock(&et->et_lock);
- e = __et_search_del(et, key, fid, type);
- if (unlikely(e != NULL)) {
- CWARN("Unexpected stale eacl_entry found: "
- "[key: %d] [fid: "DFID"] [type: %d]\n",
- (int)key, PFID(fid), type);
- ee_free(e);
- }
- list_add_tail(&ee->ee_list, &et->et_entries[ee_hashfunc(key)]);
- spin_unlock(&et->et_lock);
-
- return 0;
+ spin_lock(&et->et_lock);
+ e = __et_search_del(et, key, fid, type);
+ if (unlikely(e != NULL)) {
+ CWARN("Unexpected stale eacl_entry found: "
+ "[key: %d] [fid: "DFID"] [type: %d]\n",
+ (int)key, PFID(fid), type);
+ ee_free(e);
+ }
+ list_add_tail(&ee->ee_list, &et->et_entries[ee_hashfunc(key)]);
+ spin_unlock(&et->et_lock);
+
+ return 0;
}
void et_init(struct eacl_table *et)
{
- int i;
+ int i;
- spin_lock_init(&et->et_lock);
- for (i = 0; i < EE_HASHES; i++)
- CFS_INIT_LIST_HEAD(&et->et_entries[i]);
+ spin_lock_init(&et->et_lock);
+ for (i = 0; i < EE_HASHES; i++)
+ INIT_LIST_HEAD(&et->et_entries[i]);
}
void et_fini(struct eacl_table *et)
{
- struct eacl_entry *ee;
- int i;
-
- spin_lock(&et->et_lock);
- for (i = 0; i < EE_HASHES; i++)
- while (!list_empty(&et->et_entries[i])) {
- ee = list_entry(et->et_entries[i].next,
- struct eacl_entry, ee_list);
- ee_free(ee);
- }
- spin_unlock(&et->et_lock);
+ struct eacl_entry *ee;
+ int i;
+
+ spin_lock(&et->et_lock);
+ for (i = 0; i < EE_HASHES; i++)
+ while (!list_empty(&et->et_entries[i])) {
+ ee = list_entry(et->et_entries[i].next,
+ struct eacl_entry, ee_list);
+ ee_free(ee);
+ }
+ spin_unlock(&et->et_lock);
}
#endif