Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / fs / jfs / jfs_extent.h

diff --git a/kernel/fs/jfs/jfs_extent.h b/kernel/fs/jfs/jfs_extent.h
new file mode 100644 (file)
index 0000000..b567e12
--- /dev/null
+++ b/kernel/fs/jfs/jfs_extent.h
@@ -0,0 +1,31 @@
+/*
+ *   Copyright (C) International Business Machines Corp., 2000-2001
+ *
+ *   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 02111-1307 USA
+ */
+#ifndef        _H_JFS_EXTENT
+#define _H_JFS_EXTENT
+
+/*  get block allocation allocation hint as location of disk inode */
+#define        INOHINT(ip)     \
+       (addressPXD(&(JFS_IP(ip)->ixpxd)) + lengthPXD(&(JFS_IP(ip)->ixpxd)) - 1)
+
+extern int     extAlloc(struct inode *, s64, s64, xad_t *, bool);
+extern int     extFill(struct inode *, xad_t *);
+extern int     extHint(struct inode *, s64, xad_t *);
+extern int     extRealloc(struct inode *, s64, xad_t *, bool);
+extern int     extRecord(struct inode *, xad_t *);
+
+#endif /* _H_JFS_EXTENT */