/*
- * Copyright (c) 2000-2003 Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
+ * All Rights Reserved.
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
+ * 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.
*
- * This program is distributed in the hope that it would be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * This program is distributed in the hope that it would 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.
*
- * Further, this software is distributed without any warranty that it is
- * free of the rightful claim of any third person regarding infringement
- * or the like. Any license provided herein, whether implied or
- * otherwise, applies only to this software file. Patent licenses, if
- * any, provided herein do not apply to combinations of this program with
- * other software, or any other product whatsoever.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
- * Mountain View, CA 94043, or:
- *
- * http://www.sgi.com
- *
- * For further information regarding this notice, see:
- *
- * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __XFS_INUM_H__
#define __XFS_INUM_H__
struct xfs_mount;
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_INO_MASK)
-__uint32_t xfs_ino_mask(int k);
-#define XFS_INO_MASK(k) xfs_ino_mask(k)
-#else
-#define XFS_INO_MASK(k) ((__uint32_t)((1ULL << (k)) - 1))
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_INO_OFFSET_BITS)
-int xfs_ino_offset_bits(struct xfs_mount *mp);
-#define XFS_INO_OFFSET_BITS(mp) xfs_ino_offset_bits(mp)
-#else
-#define XFS_INO_OFFSET_BITS(mp) ((mp)->m_sb.sb_inopblog)
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_INO_AGBNO_BITS)
-int xfs_ino_agbno_bits(struct xfs_mount *mp);
-#define XFS_INO_AGBNO_BITS(mp) xfs_ino_agbno_bits(mp)
-#else
-#define XFS_INO_AGBNO_BITS(mp) ((mp)->m_sb.sb_agblklog)
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_INO_AGINO_BITS)
-int xfs_ino_agino_bits(struct xfs_mount *mp);
-#define XFS_INO_AGINO_BITS(mp) xfs_ino_agino_bits(mp)
-#else
-#define XFS_INO_AGINO_BITS(mp) ((mp)->m_agino_log)
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_INO_AGNO_BITS)
-int xfs_ino_agno_bits(struct xfs_mount *mp);
-#define XFS_INO_AGNO_BITS(mp) xfs_ino_agno_bits(mp)
-#else
-#define XFS_INO_AGNO_BITS(mp) ((mp)->m_agno_log)
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_INO_BITS)
-int xfs_ino_bits(struct xfs_mount *mp);
-#define XFS_INO_BITS(mp) xfs_ino_bits(mp)
-#else
-#define XFS_INO_BITS(mp) (XFS_INO_AGNO_BITS(mp) + XFS_INO_AGINO_BITS(mp))
-#endif
-
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_INO_TO_AGNO)
-xfs_agnumber_t xfs_ino_to_agno(struct xfs_mount *mp, xfs_ino_t i);
-#define XFS_INO_TO_AGNO(mp,i) xfs_ino_to_agno(mp,i)
-#else
-#define XFS_INO_TO_AGNO(mp,i) \
+#define XFS_INO_MASK(k) (__uint32_t)((1ULL << (k)) - 1)
+#define XFS_INO_OFFSET_BITS(mp) (mp)->m_sb.sb_inopblog
+#define XFS_INO_AGBNO_BITS(mp) (mp)->m_sb.sb_agblklog
+#define XFS_INO_AGINO_BITS(mp) (mp)->m_agino_log
+#define XFS_INO_AGNO_BITS(mp) (mp)->m_agno_log
+#define XFS_INO_BITS(mp) \
+ XFS_INO_AGNO_BITS(mp) + XFS_INO_AGINO_BITS(mp)
+#define XFS_INO_TO_AGNO(mp,i) \
((xfs_agnumber_t)((i) >> XFS_INO_AGINO_BITS(mp)))
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_INO_TO_AGINO)
-xfs_agino_t xfs_ino_to_agino(struct xfs_mount *mp, xfs_ino_t i);
-#define XFS_INO_TO_AGINO(mp,i) xfs_ino_to_agino(mp,i)
-#else
-#define XFS_INO_TO_AGINO(mp,i) \
+#define XFS_INO_TO_AGINO(mp,i) \
((xfs_agino_t)(i) & XFS_INO_MASK(XFS_INO_AGINO_BITS(mp)))
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_INO_TO_AGBNO)
-xfs_agblock_t xfs_ino_to_agbno(struct xfs_mount *mp, xfs_ino_t i);
-#define XFS_INO_TO_AGBNO(mp,i) xfs_ino_to_agbno(mp,i)
-#else
-#define XFS_INO_TO_AGBNO(mp,i) \
+#define XFS_INO_TO_AGBNO(mp,i) \
(((xfs_agblock_t)(i) >> XFS_INO_OFFSET_BITS(mp)) & \
- XFS_INO_MASK(XFS_INO_AGBNO_BITS(mp)))
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_INO_TO_OFFSET)
-int xfs_ino_to_offset(struct xfs_mount *mp, xfs_ino_t i);
-#define XFS_INO_TO_OFFSET(mp,i) xfs_ino_to_offset(mp,i)
-#else
-#define XFS_INO_TO_OFFSET(mp,i) \
+ XFS_INO_MASK(XFS_INO_AGBNO_BITS(mp)))
+#define XFS_INO_TO_OFFSET(mp,i) \
((int)(i) & XFS_INO_MASK(XFS_INO_OFFSET_BITS(mp)))
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_INO_TO_FSB)
-xfs_fsblock_t xfs_ino_to_fsb(struct xfs_mount *mp, xfs_ino_t i);
-#define XFS_INO_TO_FSB(mp,i) xfs_ino_to_fsb(mp,i)
-#else
-#define XFS_INO_TO_FSB(mp,i) \
+#define XFS_INO_TO_FSB(mp,i) \
XFS_AGB_TO_FSB(mp, XFS_INO_TO_AGNO(mp,i), XFS_INO_TO_AGBNO(mp,i))
-#endif
-
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_AGINO_TO_INO)
-xfs_ino_t
-xfs_agino_to_ino(struct xfs_mount *mp, xfs_agnumber_t a, xfs_agino_t i);
-#define XFS_AGINO_TO_INO(mp,a,i) xfs_agino_to_ino(mp,a,i)
-#else
#define XFS_AGINO_TO_INO(mp,a,i) \
(((xfs_ino_t)(a) << XFS_INO_AGINO_BITS(mp)) | (i))
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_AGINO_TO_AGBNO)
-xfs_agblock_t xfs_agino_to_agbno(struct xfs_mount *mp, xfs_agino_t i);
-#define XFS_AGINO_TO_AGBNO(mp,i) xfs_agino_to_agbno(mp,i)
-#else
#define XFS_AGINO_TO_AGBNO(mp,i) ((i) >> XFS_INO_OFFSET_BITS(mp))
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_AGINO_TO_OFFSET)
-int xfs_agino_to_offset(struct xfs_mount *mp, xfs_agino_t i);
-#define XFS_AGINO_TO_OFFSET(mp,i) xfs_agino_to_offset(mp,i)
-#else
#define XFS_AGINO_TO_OFFSET(mp,i) \
((i) & XFS_INO_MASK(XFS_INO_OFFSET_BITS(mp)))
-#endif
-
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_OFFBNO_TO_AGINO)
-xfs_agino_t xfs_offbno_to_agino(struct xfs_mount *mp, xfs_agblock_t b, int o);
-#define XFS_OFFBNO_TO_AGINO(mp,b,o) xfs_offbno_to_agino(mp,b,o)
-#else
#define XFS_OFFBNO_TO_AGINO(mp,b,o) \
((xfs_agino_t)(((b) << XFS_INO_OFFSET_BITS(mp)) | (o)))
-#endif
#if XFS_BIG_INUMS
#define XFS_MAXINUMBER ((xfs_ino_t)((1ULL << 56) - 1ULL))
git://git.onelab.eu / linux-2.6.git / blobdiff