zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/fs/ocfs2/ocfs2_lockid.h b/ap/os/linux/linux-3.4.x/fs/ocfs2/ocfs2_lockid.h
new file mode 100644
index 0000000..d277aab
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/fs/ocfs2/ocfs2_lockid.h
@@ -0,0 +1,128 @@
+/* -*- mode: c; c-basic-offset: 8; -*-
+ * vim: noexpandtab sw=8 ts=8 sts=0:
+ *
+ * ocfs2_lockid.h
+ *
+ * Defines OCFS2 lockid bits.
+ *
+ * Copyright (C) 2002, 2005 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 OCFS2_LOCKID_H
+#define OCFS2_LOCKID_H
+
+/* lock ids are made up in the following manner:
+ * name[0] --> type
+ * name[1-6] --> 6 pad characters, reserved for now
+ * name[7-22] --> block number, expressed in hex as 16 chars
+ * name[23-30] --> i_generation, expressed in hex 8 chars
+ * name[31] --> '\0' */
+#define OCFS2_LOCK_ID_MAX_LEN 32
+#define OCFS2_LOCK_ID_PAD "000000"
+
+#define OCFS2_DENTRY_LOCK_INO_START 18
+
+enum ocfs2_lock_type {
+ OCFS2_LOCK_TYPE_META = 0,
+ OCFS2_LOCK_TYPE_DATA,
+ OCFS2_LOCK_TYPE_SUPER,
+ OCFS2_LOCK_TYPE_RENAME,
+ OCFS2_LOCK_TYPE_RW,
+ OCFS2_LOCK_TYPE_DENTRY,
+ OCFS2_LOCK_TYPE_OPEN,
+ OCFS2_LOCK_TYPE_FLOCK,
+ OCFS2_LOCK_TYPE_QINFO,
+ OCFS2_LOCK_TYPE_NFS_SYNC,
+ OCFS2_LOCK_TYPE_ORPHAN_SCAN,
+ OCFS2_LOCK_TYPE_REFCOUNT,
+ OCFS2_NUM_LOCK_TYPES
+};
+
+static inline char ocfs2_lock_type_char(enum ocfs2_lock_type type)
+{
+ char c;
+ switch (type) {
+ case OCFS2_LOCK_TYPE_META:
+ c = 'M';
+ break;
+ case OCFS2_LOCK_TYPE_DATA:
+ c = 'D';
+ break;
+ case OCFS2_LOCK_TYPE_SUPER:
+ c = 'S';
+ break;
+ case OCFS2_LOCK_TYPE_RENAME:
+ c = 'R';
+ break;
+ case OCFS2_LOCK_TYPE_RW:
+ c = 'W';
+ break;
+ case OCFS2_LOCK_TYPE_DENTRY:
+ c = 'N';
+ break;
+ case OCFS2_LOCK_TYPE_OPEN:
+ c = 'O';
+ break;
+ case OCFS2_LOCK_TYPE_FLOCK:
+ c = 'F';
+ break;
+ case OCFS2_LOCK_TYPE_QINFO:
+ c = 'Q';
+ break;
+ case OCFS2_LOCK_TYPE_NFS_SYNC:
+ c = 'Y';
+ break;
+ case OCFS2_LOCK_TYPE_ORPHAN_SCAN:
+ c = 'P';
+ break;
+ case OCFS2_LOCK_TYPE_REFCOUNT:
+ c = 'T';
+ break;
+ default:
+ c = '\0';
+ }
+
+ return c;
+}
+
+static char *ocfs2_lock_type_strings[] = {
+ [OCFS2_LOCK_TYPE_META] = "Meta",
+ [OCFS2_LOCK_TYPE_DATA] = "Data",
+ [OCFS2_LOCK_TYPE_SUPER] = "Super",
+ [OCFS2_LOCK_TYPE_RENAME] = "Rename",
+ /* Need to differntiate from [R]ename.. serializing writes is the
+ * important job it does, anyway. */
+ [OCFS2_LOCK_TYPE_RW] = "Write/Read",
+ [OCFS2_LOCK_TYPE_DENTRY] = "Dentry",
+ [OCFS2_LOCK_TYPE_OPEN] = "Open",
+ [OCFS2_LOCK_TYPE_FLOCK] = "Flock",
+ [OCFS2_LOCK_TYPE_QINFO] = "Quota",
+ [OCFS2_LOCK_TYPE_NFS_SYNC] = "NFSSync",
+ [OCFS2_LOCK_TYPE_ORPHAN_SCAN] = "OrphanScan",
+ [OCFS2_LOCK_TYPE_REFCOUNT] = "Refcount",
+};
+
+static inline const char *ocfs2_lock_type_string(enum ocfs2_lock_type type)
+{
+#ifdef __KERNEL__
+ BUG_ON(type >= OCFS2_NUM_LOCK_TYPES);
+#endif
+ return ocfs2_lock_type_strings[type];
+}
+
+#endif /* OCFS2_LOCKID_H */