diff options
Diffstat (limited to 'kernel/fs/jfs/jfs_extent.h')
| -rw-r--r-- | kernel/fs/jfs/jfs_extent.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/kernel/fs/jfs/jfs_extent.h b/kernel/fs/jfs/jfs_extent.h new file mode 100644 index 000000000..b567e12c5 --- /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 */ |