ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/fs/ocfs2/dlmfs/userdlm.h b/marvell/linux/fs/ocfs2/dlmfs/userdlm.h
new file mode 100644
index 0000000..4bef7cd
--- /dev/null
+++ b/marvell/linux/fs/ocfs2/dlmfs/userdlm.h
@@ -0,0 +1,99 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* -*- 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.
+ */
+
+
+#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 ocfs2_dlm_lksb 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);
+ssize_t user_dlm_read_lvb(struct inode *inode,
+ char *val,
+ unsigned int len);
+struct ocfs2_cluster_connection *user_dlm_register(const struct qstr *name);
+void user_dlm_unregister(struct ocfs2_cluster_connection *conn);
+void user_dlm_set_locking_protocol(void);
+
+struct dlmfs_inode_private {
+ struct ocfs2_cluster_connection *ip_conn;
+
+ 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 */