-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
*
- * lustre/obdclass/idmap.c
- * Lustre user identity mapping.
- * 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 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).
*
- * This file is part of Lustre, http://www.lustre.org.
+ * 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 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.
+ * 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.
*
- * 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.
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
*
- * 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.
+ * Copyright (c) 2012, Intel Corporation.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/obdclass/idmap.c
+ *
+ * Lustre user identity mapping.
+ *
+ * Author: Fan Yong <fanyong@clusterfs.com>
*/
-
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
#define DEBUG_SUBSYSTEM S_SEC
#include <lustre_idmap.h>
+#include <md_object.h>
#include <obd_support.h>
#define lustre_get_group_info(group_info) do { \
- atomic_inc(&(group_info)->usage); \
+ cfs_atomic_inc(&(group_info)->usage); \
} while (0)
#define lustre_put_group_info(group_info) do { \
- if (atomic_dec_and_test(&(group_info)->usage)) \
- groups_free(group_info); \
+ if (cfs_atomic_dec_and_test(&(group_info)->usage)) \
+ cfs_groups_free(group_info); \
} while (0)
/*
* groups_search() is copied from linux kernel!
* A simple bsearch.
*/
-static int lustre_groups_search(struct group_info *group_info, gid_t grp)
+static int lustre_groups_search(cfs_group_info_t *group_info,
+ gid_t grp)
{
int left, right;
return 0;
}
-void lustre_groups_from_list(struct group_info *ginfo, gid_t *glist)
+void lustre_groups_from_list(cfs_group_info_t *ginfo, gid_t *glist)
{
int i;
int count = ginfo->ngroups;
/* groups_sort() is copied from linux kernel! */
/* a simple shell-metzner sort */
-void lustre_groups_sort(struct group_info *group_info)
+void lustre_groups_sort(cfs_group_info_t *group_info)
{
int base, max, stride;
int gidsetsize = group_info->ngroups;
}
EXPORT_SYMBOL(lustre_groups_sort);
-int lustre_in_group_p(struct md_ucred *mu, gid_t grp)
+int lustre_in_group_p(struct lu_ucred *mu, gid_t grp)
{
- int rc = 1;
-
- if (grp != mu->mu_fsgid) {
- struct group_info *group_info = NULL;
-
- if (mu->mu_ginfo || !mu->mu_identity ||
- mu->mu_valid == UCRED_OLD)
- if (grp == mu->mu_suppgids[0] ||
- grp == mu->mu_suppgids[1])
- return 1;
-
- if (mu->mu_ginfo)
- group_info = mu->mu_ginfo;
- else if (mu->mu_identity)
- group_info = mu->mu_identity->mi_ginfo;
-
- if (!group_info)
- return 0;
-
- lustre_get_group_info(group_info);
- rc = lustre_groups_search(group_info, grp);
- lustre_put_group_info(group_info);
- }
- return rc;
+ int rc = 1;
+
+ if (grp != mu->uc_fsgid) {
+ cfs_group_info_t *group_info = NULL;
+
+ if (mu->uc_ginfo || !mu->uc_identity ||
+ mu->uc_valid == UCRED_OLD)
+ if (grp == mu->uc_suppgids[0] ||
+ grp == mu->uc_suppgids[1])
+ return 1;
+
+ if (mu->uc_ginfo)
+ group_info = mu->uc_ginfo;
+ else if (mu->uc_identity)
+ group_info = mu->uc_identity->mi_ginfo;
+
+ if (!group_info)
+ return 0;
+
+ lustre_get_group_info(group_info);
+ rc = lustre_groups_search(group_info, grp);
+ lustre_put_group_info(group_info);
+ }
+ return rc;
}
EXPORT_SYMBOL(lustre_in_group_p);
struct lustre_idmap_entry {
- struct list_head lie_rmt_uid_hash; /* hashed as lie_rmt_uid; */
- struct list_head lie_lcl_uid_hash; /* hashed as lie_lcl_uid; */
- struct list_head lie_rmt_gid_hash; /* hashed as lie_rmt_gid; */
- struct list_head lie_lcl_gid_hash; /* hashed as lie_lcl_gid; */
+ cfs_list_t lie_rmt_uid_hash; /* hashed as lie_rmt_uid; */
+ cfs_list_t lie_lcl_uid_hash; /* hashed as lie_lcl_uid; */
+ cfs_list_t lie_rmt_gid_hash; /* hashed as lie_rmt_gid; */
+ cfs_list_t lie_lcl_gid_hash; /* hashed as lie_lcl_gid; */
uid_t lie_rmt_uid; /* remote uid */
uid_t lie_lcl_uid; /* local uid */
gid_t lie_rmt_gid; /* remote gid */
static void idmap_entry_free(struct lustre_idmap_entry *e)
{
- if (!list_empty(&e->lie_rmt_uid_hash))
- list_del(&e->lie_rmt_uid_hash);
- if (!list_empty(&e->lie_lcl_uid_hash))
- list_del(&e->lie_lcl_uid_hash);
- if (!list_empty(&e->lie_rmt_gid_hash))
- list_del(&e->lie_rmt_gid_hash);
- if (!list_empty(&e->lie_lcl_gid_hash))
- list_del(&e->lie_lcl_gid_hash);
+ if (!cfs_list_empty(&e->lie_rmt_uid_hash))
+ cfs_list_del(&e->lie_rmt_uid_hash);
+ if (!cfs_list_empty(&e->lie_lcl_uid_hash))
+ cfs_list_del(&e->lie_lcl_uid_hash);
+ if (!cfs_list_empty(&e->lie_rmt_gid_hash))
+ cfs_list_del(&e->lie_rmt_gid_hash);
+ if (!cfs_list_empty(&e->lie_lcl_gid_hash))
+ cfs_list_del(&e->lie_lcl_gid_hash);
OBD_FREE_PTR(e);
}
uid_t rmt_uid, uid_t lcl_uid,
gid_t rmt_gid, gid_t lcl_gid)
{
- struct list_head *head;
+ cfs_list_t *head;
struct lustre_idmap_entry *e;
head = &t->lit_idmaps[RMT_UIDMAP_IDX][lustre_idmap_hashfunc(rmt_uid)];
- list_for_each_entry(e, head, lie_rmt_uid_hash)
+ cfs_list_for_each_entry(e, head, lie_rmt_uid_hash)
if (e->lie_rmt_uid == rmt_uid) {
if (e->lie_lcl_uid == lcl_uid) {
if (e->lie_rmt_gid == rmt_gid &&
}
head = &t->lit_idmaps[RMT_GIDMAP_IDX][lustre_idmap_hashfunc(rmt_gid)];
- list_for_each_entry(e, head, lie_rmt_gid_hash)
+ cfs_list_for_each_entry(e, head, lie_rmt_gid_hash)
if (e->lie_rmt_gid == rmt_gid) {
if (e->lie_lcl_gid == lcl_gid) {
if (unlikely(e->lie_rmt_uid == rmt_uid &&
return NULL;
}
-static __u32 idmap_lookup_uid(struct list_head *hash, int reverse, __u32 uid)
+static __u32 idmap_lookup_uid(cfs_list_t *hash, int reverse,
+ __u32 uid)
{
- struct list_head *head = &hash[lustre_idmap_hashfunc(uid)];
+ cfs_list_t *head = &hash[lustre_idmap_hashfunc(uid)];
struct lustre_idmap_entry *e;
if (!reverse) {
- list_for_each_entry(e, head, lie_rmt_uid_hash)
+ cfs_list_for_each_entry(e, head, lie_rmt_uid_hash)
if (e->lie_rmt_uid == uid)
return e->lie_lcl_uid;
} else {
- list_for_each_entry(e, head, lie_lcl_uid_hash)
+ cfs_list_for_each_entry(e, head, lie_lcl_uid_hash)
if (e->lie_lcl_uid == uid)
return e->lie_rmt_uid;
}
return CFS_IDMAP_NOTFOUND;
}
-static __u32 idmap_lookup_gid(struct list_head *hash, int reverse, __u32 gid)
+static __u32 idmap_lookup_gid(cfs_list_t *hash, int reverse, __u32 gid)
{
- struct list_head *head = &hash[lustre_idmap_hashfunc(gid)];
+ cfs_list_t *head = &hash[lustre_idmap_hashfunc(gid)];
struct lustre_idmap_entry *e;
if (!reverse) {
- list_for_each_entry(e, head, lie_rmt_gid_hash)
+ cfs_list_for_each_entry(e, head, lie_rmt_gid_hash)
if (e->lie_rmt_gid == gid)
return e->lie_lcl_gid;
} else {
- list_for_each_entry(e, head, lie_lcl_gid_hash)
+ cfs_list_for_each_entry(e, head, lie_lcl_gid_hash)
if (e->lie_lcl_gid == gid)
return e->lie_rmt_gid;
}
}
int lustre_idmap_add(struct lustre_idmap_table *t,
- uid_t ruid, uid_t luid,
- gid_t rgid, gid_t lgid)
+ uid_t ruid, uid_t luid,
+ gid_t rgid, gid_t lgid)
{
- struct lustre_idmap_entry *e0, *e1;
+ struct lustre_idmap_entry *e0, *e1;
- LASSERT(t);
+ LASSERT(t);
- spin_lock(&t->lit_lock);
- e0 = idmap_search_entry(t, ruid, luid, rgid, lgid);
- spin_unlock(&t->lit_lock);
- if (!e0) {
- e0 = idmap_entry_alloc(ruid, luid, rgid, lgid);
- if (!e0)
- return -ENOMEM;
+ spin_lock(&t->lit_lock);
+ e0 = idmap_search_entry(t, ruid, luid, rgid, lgid);
+ spin_unlock(&t->lit_lock);
+ if (!e0) {
+ e0 = idmap_entry_alloc(ruid, luid, rgid, lgid);
+ if (!e0)
+ return -ENOMEM;
- spin_lock(&t->lit_lock);
+ spin_lock(&t->lit_lock);
e1 = idmap_search_entry(t, ruid, luid, rgid, lgid);
if (e1 == NULL) {
- list_add_tail(&e0->lie_rmt_uid_hash,
- &t->lit_idmaps[RMT_UIDMAP_IDX]
- [lustre_idmap_hashfunc(ruid)]);
- list_add_tail(&e0->lie_lcl_uid_hash,
- &t->lit_idmaps[LCL_UIDMAP_IDX]
- [lustre_idmap_hashfunc(luid)]);
- list_add_tail(&e0->lie_rmt_gid_hash,
- &t->lit_idmaps[RMT_GIDMAP_IDX]
- [lustre_idmap_hashfunc(rgid)]);
- list_add_tail(&e0->lie_lcl_gid_hash,
- &t->lit_idmaps[LCL_GIDMAP_IDX]
- [lustre_idmap_hashfunc(lgid)]);
- }
- spin_unlock(&t->lit_lock);
+ cfs_list_add_tail(&e0->lie_rmt_uid_hash,
+ &t->lit_idmaps[RMT_UIDMAP_IDX]
+ [lustre_idmap_hashfunc(ruid)]);
+ cfs_list_add_tail(&e0->lie_lcl_uid_hash,
+ &t->lit_idmaps[LCL_UIDMAP_IDX]
+ [lustre_idmap_hashfunc(luid)]);
+ cfs_list_add_tail(&e0->lie_rmt_gid_hash,
+ &t->lit_idmaps[RMT_GIDMAP_IDX]
+ [lustre_idmap_hashfunc(rgid)]);
+ cfs_list_add_tail(&e0->lie_lcl_gid_hash,
+ &t->lit_idmaps[LCL_GIDMAP_IDX]
+ [lustre_idmap_hashfunc(lgid)]);
+ }
+ spin_unlock(&t->lit_lock);
if (e1 != NULL) {
idmap_entry_free(e0);
if (IS_ERR(e1))
uid_t ruid, uid_t luid,
gid_t rgid, gid_t lgid)
{
- struct lustre_idmap_entry *e;
- int rc = 0;
+ struct lustre_idmap_entry *e;
+ int rc = 0;
- LASSERT(t);
+ LASSERT(t);
- spin_lock(&t->lit_lock);
- e = idmap_search_entry(t, ruid, luid, rgid, lgid);
- if (IS_ERR(e))
- rc = PTR_ERR(e);
- else if (e)
- idmap_entry_free(e);
- spin_unlock(&t->lit_lock);
+ spin_lock(&t->lit_lock);
+ e = idmap_search_entry(t, ruid, luid, rgid, lgid);
+ if (IS_ERR(e))
+ rc = PTR_ERR(e);
+ else if (e)
+ idmap_entry_free(e);
+ spin_unlock(&t->lit_lock);
- return rc;
+ return rc;
}
EXPORT_SYMBOL(lustre_idmap_del);
-int lustre_idmap_lookup_uid(struct md_ucred *mu,
- struct lustre_idmap_table *t,
- int reverse, uid_t uid)
+int lustre_idmap_lookup_uid(struct lu_ucred *mu,
+ struct lustre_idmap_table *t,
+ int reverse, uid_t uid)
{
- struct list_head *hash;
-
- if (mu && (mu->mu_valid == UCRED_OLD || mu->mu_valid == UCRED_NEW)) {
- if (!reverse) {
- if (uid == mu->mu_o_uid)
- return mu->mu_uid;
- else if (uid == mu->mu_o_fsuid)
- return mu->mu_fsuid;
- } else {
- if (uid == mu->mu_uid)
- return mu->mu_o_uid;
- else if (uid == mu->mu_fsuid)
- return mu->mu_o_fsuid;
- }
- }
+ cfs_list_t *hash;
+
+ if (mu && (mu->uc_valid == UCRED_OLD || mu->uc_valid == UCRED_NEW)) {
+ if (!reverse) {
+ if (uid == mu->uc_o_uid)
+ return mu->uc_uid;
+ else if (uid == mu->uc_o_fsuid)
+ return mu->uc_fsuid;
+ } else {
+ if (uid == mu->uc_uid)
+ return mu->uc_o_uid;
+ else if (uid == mu->uc_fsuid)
+ return mu->uc_o_fsuid;
+ }
+ }
if (t == NULL)
return CFS_IDMAP_NOTFOUND;
hash = t->lit_idmaps[reverse ? LCL_UIDMAP_IDX : RMT_UIDMAP_IDX];
- spin_lock(&t->lit_lock);
- uid = idmap_lookup_uid(hash, reverse, uid);
- spin_unlock(&t->lit_lock);
+ spin_lock(&t->lit_lock);
+ uid = idmap_lookup_uid(hash, reverse, uid);
+ spin_unlock(&t->lit_lock);
- return uid;
+ return uid;
}
EXPORT_SYMBOL(lustre_idmap_lookup_uid);
-int lustre_idmap_lookup_gid(struct md_ucred *mu, struct lustre_idmap_table *t,
- int reverse, gid_t gid)
+int lustre_idmap_lookup_gid(struct lu_ucred *mu, struct lustre_idmap_table *t,
+ int reverse, gid_t gid)
{
- struct list_head *hash;
-
- if (mu && (mu->mu_valid == UCRED_OLD || mu->mu_valid == UCRED_NEW)) {
- if (!reverse) {
- if (gid == mu->mu_o_gid)
- return mu->mu_gid;
- else if (gid == mu->mu_o_fsgid)
- return mu->mu_fsgid;
- } else {
- if (gid == mu->mu_gid)
- return mu->mu_o_gid;
- else if (gid == mu->mu_fsgid)
- return mu->mu_o_fsgid;
- }
- }
+ cfs_list_t *hash;
+
+ if (mu && (mu->uc_valid == UCRED_OLD || mu->uc_valid == UCRED_NEW)) {
+ if (!reverse) {
+ if (gid == mu->uc_o_gid)
+ return mu->uc_gid;
+ else if (gid == mu->uc_o_fsgid)
+ return mu->uc_fsgid;
+ } else {
+ if (gid == mu->uc_gid)
+ return mu->uc_o_gid;
+ else if (gid == mu->uc_fsgid)
+ return mu->uc_o_fsgid;
+ }
+ }
if (t == NULL)
return CFS_IDMAP_NOTFOUND;
hash = t->lit_idmaps[reverse ? LCL_GIDMAP_IDX : RMT_GIDMAP_IDX];
- spin_lock(&t->lit_lock);
- gid = idmap_lookup_gid(hash, reverse, gid);
- spin_unlock(&t->lit_lock);
+ spin_lock(&t->lit_lock);
+ gid = idmap_lookup_gid(hash, reverse, gid);
+ spin_unlock(&t->lit_lock);
- return gid;
+ return gid;
}
EXPORT_SYMBOL(lustre_idmap_lookup_gid);
if(unlikely(t == NULL))
return (ERR_PTR(-ENOMEM));
- spin_lock_init(&t->lit_lock);
- for (i = 0; i < ARRAY_SIZE(t->lit_idmaps); i++)
- for (j = 0; j < ARRAY_SIZE(t->lit_idmaps[i]); j++)
- INIT_LIST_HEAD(&t->lit_idmaps[i][j]);
+ spin_lock_init(&t->lit_lock);
+ for (i = 0; i < ARRAY_SIZE(t->lit_idmaps); i++)
+ for (j = 0; j < ARRAY_SIZE(t->lit_idmaps[i]); j++)
+ CFS_INIT_LIST_HEAD(&t->lit_idmaps[i][j]);
- return t;
+ return t;
}
EXPORT_SYMBOL(lustre_idmap_init);
void lustre_idmap_fini(struct lustre_idmap_table *t)
{
- struct list_head *list;
+ cfs_list_t *list;
struct lustre_idmap_entry *e;
int i;
LASSERT(t);
list = t->lit_idmaps[RMT_UIDMAP_IDX];
- spin_lock(&t->lit_lock);
- for (i = 0; i < CFS_IDMAP_HASHSIZE; i++)
- while (!list_empty(&list[i])) {
- e = list_entry(list[i].next, struct lustre_idmap_entry,
- lie_rmt_uid_hash);
- idmap_entry_free(e);
- }
- spin_unlock(&t->lit_lock);
-
- OBD_FREE_PTR(t);
+ spin_lock(&t->lit_lock);
+ for (i = 0; i < CFS_IDMAP_HASHSIZE; i++)
+ while (!cfs_list_empty(&list[i])) {
+ e = cfs_list_entry(list[i].next,
+ struct lustre_idmap_entry,
+ lie_rmt_uid_hash);
+ idmap_entry_free(e);
+ }
+ spin_unlock(&t->lit_lock);
+
+ OBD_FREE_PTR(t);
}
EXPORT_SYMBOL(lustre_idmap_fini);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff