X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=fs%2Fxfs%2Fxfs_inum.h;h=7a28191cb0decc919a0cde01243c1a0069897d3d;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=a3af2d5a6eb7a501e0f66bde2a1f49ece5ef6672;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git diff --git a/fs/xfs/xfs_inum.h b/fs/xfs/xfs_inum.h index a3af2d5a6..7a28191cb 100644 --- a/fs/xfs/xfs_inum.h +++ b/fs/xfs/xfs_inum.h @@ -1,33 +1,19 @@ /* - * 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__ @@ -58,109 +44,31 @@ typedef __uint32_t xfs_intino_t; 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))