X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=fs%2Focfs2%2Focfs2_lockid.h;fp=fs%2Focfs2%2Focfs2_lockid.h;h=4d5d5655c185085c9e259b6669bcd35cd29d3068;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=7dd9e1e705b0cd3a7f06bbb3bce5579eca98860e;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/fs/ocfs2/ocfs2_lockid.h b/fs/ocfs2/ocfs2_lockid.h
index 7dd9e1e70..4d5d5655c 100644
--- a/fs/ocfs2/ocfs2_lockid.h
+++ b/fs/ocfs2/ocfs2_lockid.h
@@ -35,12 +35,15 @@
 #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_NUM_LOCK_TYPES
 };
 
@@ -63,6 +66,9 @@ static inline char ocfs2_lock_type_char(enum ocfs2_lock_type type)
 		case OCFS2_LOCK_TYPE_RW:
 			c = 'W';
 			break;
+		case OCFS2_LOCK_TYPE_DENTRY:
+			c = 'N';
+			break;
 		default:
 			c = '\0';
 	}
@@ -70,4 +76,23 @@ static inline char ocfs2_lock_type_char(enum ocfs2_lock_type type)
 	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",
+};
+
+static inline const char *ocfs2_lock_type_string(enum ocfs2_lock_type type)
+{
+#ifdef __KERNEL__
+	mlog_bug_on_msg(type >= OCFS2_NUM_LOCK_TYPES, "%d\n", type);
+#endif
+	return ocfs2_lock_type_strings[type];
+}
+
 #endif  /* OCFS2_LOCKID_H */