diff options
Diffstat (limited to 'drivers/staging/lustre/lustre/obdclass/lu_ucred.c')
| -rw-r--r-- | drivers/staging/lustre/lustre/obdclass/lu_ucred.c | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/drivers/staging/lustre/lustre/obdclass/lu_ucred.c b/drivers/staging/lustre/lustre/obdclass/lu_ucred.c deleted file mode 100644 index 3676563ab330..000000000000 --- a/drivers/staging/lustre/lustre/obdclass/lu_ucred.c +++ /dev/null @@ -1,107 +0,0 @@ -/* - * GPL HEADER START - * - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * 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). - * - * 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 - * - * 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. - * - * GPL HEADER END - */ -/* - * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. - * Use is subject to license terms. - * - * Copyright (c) 2011, 2012, Intel Corporation. - */ -/* - * This file is part of Lustre, http://www.lustre.org/ - * Lustre is a trademark of Sun Microsystems, Inc. - * - * lustre/obdclass/lu_ucred.c - * - * Lustre user credentials context infrastructure. - * - * Author: Nikita Danilov <nikita.danilov@sun.com> - * Author: Fan Yong <fan.yong@intel.com> - * Author: Vitaly Fertman <vitaly_fertman@xyratex.com> - */ - -#define DEBUG_SUBSYSTEM S_CLASS - -#include "../../include/linux/libcfs/libcfs.h" -#include "../include/obd_support.h" -#include "../include/lu_object.h" -#include "../include/md_object.h" - -/* context key constructor/destructor: lu_ucred_key_init, lu_ucred_key_fini */ -LU_KEY_INIT_FINI(lu_ucred, struct lu_ucred); - -static struct lu_context_key lu_ucred_key = { - .lct_tags = LCT_SESSION, - .lct_init = lu_ucred_key_init, - .lct_fini = lu_ucred_key_fini -}; - -/** - * Get ucred key if session exists and ucred key is allocated on it. - * Return NULL otherwise. - */ -struct lu_ucred *lu_ucred(const struct lu_env *env) -{ - if (!env->le_ses) - return NULL; - return lu_context_key_get(env->le_ses, &lu_ucred_key); -} -EXPORT_SYMBOL(lu_ucred); - -/** - * Get ucred key and check if it is properly initialized. - * Return NULL otherwise. - */ -struct lu_ucred *lu_ucred_check(const struct lu_env *env) -{ - struct lu_ucred *uc = lu_ucred(env); - if (uc && uc->uc_valid != UCRED_OLD && uc->uc_valid != UCRED_NEW) - return NULL; - return uc; -} -EXPORT_SYMBOL(lu_ucred_check); - -/** - * Get ucred key, which must exist and must be properly initialized. - * Assert otherwise. - */ -struct lu_ucred *lu_ucred_assert(const struct lu_env *env) -{ - struct lu_ucred *uc = lu_ucred_check(env); - LASSERT(uc != NULL); - return uc; -} -EXPORT_SYMBOL(lu_ucred_assert); - -int lu_ucred_global_init(void) -{ - LU_CONTEXT_KEY_INIT(&lu_ucred_key); - return lu_context_key_register(&lu_ucred_key); -} - -void lu_ucred_global_fini(void) -{ - lu_context_key_degister(&lu_ucred_key); -} |