forked from luck/tmp_suning_uos_patched
60a34607b2
Untangle the header file includes a bit by moving the definition of xfs_agino_t to xfs_types.h. This removes the dependency that xfs_ag.h has on xfs_inum.h, meaning we don't need to include xfs_inum.h everywhere we include xfs_ag.h. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Mark Tinguely <tinguely@sgi.com> Signed-off-by: Ben Myers <bpm@sgi.com>
65 lines
2.3 KiB
C
65 lines
2.3 KiB
C
/*
|
|
* 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 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. 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 the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
#ifndef __XFS_INUM_H__
|
|
#define __XFS_INUM_H__
|
|
|
|
/*
|
|
* Inode number format:
|
|
* low inopblog bits - offset in block
|
|
* next agblklog bits - block number in ag
|
|
* next agno_log bits - ag number
|
|
* high agno_log-agblklog-inopblog bits - 0
|
|
*/
|
|
|
|
struct xfs_mount;
|
|
|
|
#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)))
|
|
#define XFS_INO_TO_AGINO(mp,i) \
|
|
((xfs_agino_t)(i) & XFS_INO_MASK(XFS_INO_AGINO_BITS(mp)))
|
|
#define XFS_INO_TO_AGBNO(mp,i) \
|
|
(((xfs_agblock_t)(i) >> XFS_INO_OFFSET_BITS(mp)) & \
|
|
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)))
|
|
#define XFS_INO_TO_FSB(mp,i) \
|
|
XFS_AGB_TO_FSB(mp, XFS_INO_TO_AGNO(mp,i), XFS_INO_TO_AGBNO(mp,i))
|
|
#define XFS_AGINO_TO_INO(mp,a,i) \
|
|
(((xfs_ino_t)(a) << XFS_INO_AGINO_BITS(mp)) | (i))
|
|
#define XFS_AGINO_TO_AGBNO(mp,i) ((i) >> XFS_INO_OFFSET_BITS(mp))
|
|
#define XFS_AGINO_TO_OFFSET(mp,i) \
|
|
((i) & XFS_INO_MASK(XFS_INO_OFFSET_BITS(mp)))
|
|
#define XFS_OFFBNO_TO_AGINO(mp,b,o) \
|
|
((xfs_agino_t)(((b) << XFS_INO_OFFSET_BITS(mp)) | (o)))
|
|
|
|
#if XFS_BIG_INUMS
|
|
#define XFS_MAXINUMBER ((xfs_ino_t)((1ULL << 56) - 1ULL))
|
|
#else
|
|
#define XFS_MAXINUMBER ((xfs_ino_t)((1ULL << 32) - 1ULL))
|
|
#endif
|
|
#define XFS_MAXINUMBER_32 ((xfs_ino_t)((1ULL << 32) - 1ULL))
|
|
|
|
#endif /* __XFS_INUM_H__ */
|