* Copyright (C) 2005-2008 Nippon Telegraph and Telephone Corporation.
*
* 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
+ * it under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation; either version 2.1 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.
+ * GNU Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
+ * You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
#define NILFS_MOUNT_ERRORS_CONT 0x0010 /* Continue on errors */
#define NILFS_MOUNT_ERRORS_RO 0x0020 /* Remount fs ro on errors */
#define NILFS_MOUNT_ERRORS_PANIC 0x0040 /* Panic on errors */
-#define NILFS_MOUNT_SNAPSHOT 0x0080 /* Snapshot flag */
#define NILFS_MOUNT_BARRIER 0x1000 /* Use block barriers */
#define NILFS_MOUNT_STRICT_ORDER 0x2000 /* Apply strict in-order
semantics also for data */
#define NILFS_MIN_NRSVSEGS 8 /* Minimum number of reserved
segments */
+/*
+ * We call DAT, cpfile, and sufile root metadata files. Inodes of
+ * these files are written in super root block instead of ifile, and
+ * garbage collector doesn't keep any past versions of these files.
+ */
+#define NILFS_ROOT_METADATA_FILE(ino) \
+ ((ino) >= NILFS_DAT_INO && (ino) <= NILFS_SUFILE_INO)
+
/*
* bytes offset of secondary super block
*/