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Diffstat (limited to 'fs/ocfs2/dlm/userdlm.h')
-rw-r--r-- | fs/ocfs2/dlm/userdlm.h | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/fs/ocfs2/dlm/userdlm.h b/fs/ocfs2/dlm/userdlm.h deleted file mode 100644 index 0c3cc03..0000000 --- a/fs/ocfs2/dlm/userdlm.h +++ /dev/null @@ -1,113 +0,0 @@ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * - * userdlm.h - * - * Userspace dlm defines - * - * Copyright (C) 2002, 2004 Oracle. All rights reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * 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 for more details. - * - * You should have received a copy of the GNU General Public - * License along with this program; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 021110-1307, USA. - */ - - -#ifndef USERDLM_H -#define USERDLM_H - -#include <linux/module.h> -#include <linux/fs.h> -#include <linux/types.h> -#include <linux/workqueue.h> - -/* user_lock_res->l_flags flags. */ -#define USER_LOCK_ATTACHED (0x00000001) /* we have initialized - * the lvb */ -#define USER_LOCK_BUSY (0x00000002) /* we are currently in - * dlm_lock */ -#define USER_LOCK_BLOCKED (0x00000004) /* blocked waiting to - * downconvert*/ -#define USER_LOCK_IN_TEARDOWN (0x00000008) /* we're currently - * destroying this - * lock. */ -#define USER_LOCK_QUEUED (0x00000010) /* lock is on the - * workqueue */ -#define USER_LOCK_IN_CANCEL (0x00000020) - -struct user_lock_res { - spinlock_t l_lock; - - int l_flags; - -#define USER_DLM_LOCK_ID_MAX_LEN 32 - char l_name[USER_DLM_LOCK_ID_MAX_LEN]; - int l_namelen; - int l_level; - unsigned int l_ro_holders; - unsigned int l_ex_holders; - struct dlm_lockstatus l_lksb; - - int l_requested; - int l_blocking; - - wait_queue_head_t l_event; - - struct work_struct l_work; -}; - -extern struct workqueue_struct *user_dlm_worker; - -void user_dlm_lock_res_init(struct user_lock_res *lockres, - struct dentry *dentry); -int user_dlm_destroy_lock(struct user_lock_res *lockres); -int user_dlm_cluster_lock(struct user_lock_res *lockres, - int level, - int lkm_flags); -void user_dlm_cluster_unlock(struct user_lock_res *lockres, - int level); -void user_dlm_write_lvb(struct inode *inode, - const char *val, - unsigned int len); -void user_dlm_read_lvb(struct inode *inode, - char *val, - unsigned int len); -struct dlm_ctxt *user_dlm_register_context(struct qstr *name, - struct dlm_protocol_version *proto); -void user_dlm_unregister_context(struct dlm_ctxt *dlm); - -struct dlmfs_inode_private { - struct dlm_ctxt *ip_dlm; - - struct user_lock_res ip_lockres; /* unused for directories. */ - struct inode *ip_parent; - - struct inode ip_vfs_inode; -}; - -static inline struct dlmfs_inode_private * -DLMFS_I(struct inode *inode) -{ - return container_of(inode, - struct dlmfs_inode_private, - ip_vfs_inode); -} - -struct dlmfs_filp_private { - int fp_lock_level; -}; - -#define DLMFS_MAGIC 0x76a9f425 - -#endif /* USERDLM_H */ |