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- /*
- * Copyright (c) 2000,2005 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_TRANS_SPACE_H__
- #define __XFS_TRANS_SPACE_H__
- /*
- * Components of space reservations.
- */
- #define XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp) \
- (((mp)->m_alloc_mxr[0]) - ((mp)->m_alloc_mnr[0]))
- #define XFS_EXTENTADD_SPACE_RES(mp,w) (XFS_BM_MAXLEVELS(mp,w) - 1)
- #define XFS_NEXTENTADD_SPACE_RES(mp,b,w)\
- (((b + XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp) - 1) / \
- XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp)) * \
- XFS_EXTENTADD_SPACE_RES(mp,w))
- #define XFS_DAENTER_1B(mp,w) ((w) == XFS_DATA_FORK ? (mp)->m_dirblkfsbs : 1)
- #define XFS_DAENTER_DBS(mp,w) \
- (XFS_DA_NODE_MAXDEPTH + (((w) == XFS_DATA_FORK) ? 2 : 0))
- #define XFS_DAENTER_BLOCKS(mp,w) \
- (XFS_DAENTER_1B(mp,w) * XFS_DAENTER_DBS(mp,w))
- #define XFS_DAENTER_BMAP1B(mp,w) \
- XFS_NEXTENTADD_SPACE_RES(mp, XFS_DAENTER_1B(mp, w), w)
- #define XFS_DAENTER_BMAPS(mp,w) \
- (XFS_DAENTER_DBS(mp,w) * XFS_DAENTER_BMAP1B(mp,w))
- #define XFS_DAENTER_SPACE_RES(mp,w) \
- (XFS_DAENTER_BLOCKS(mp,w) + XFS_DAENTER_BMAPS(mp,w))
- #define XFS_DAREMOVE_SPACE_RES(mp,w) XFS_DAENTER_BMAPS(mp,w)
- #define XFS_DIRENTER_MAX_SPLIT(mp,nl) 1
- #define XFS_DIRENTER_SPACE_RES(mp,nl) \
- (XFS_DAENTER_SPACE_RES(mp, XFS_DATA_FORK) * \
- XFS_DIRENTER_MAX_SPLIT(mp,nl))
- #define XFS_DIRREMOVE_SPACE_RES(mp) \
- XFS_DAREMOVE_SPACE_RES(mp, XFS_DATA_FORK)
- #define XFS_IALLOC_SPACE_RES(mp) \
- (XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels - 1)
- /*
- * Space reservation values for various transactions.
- */
- #define XFS_ADDAFORK_SPACE_RES(mp) \
- ((mp)->m_dirblkfsbs + XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK))
- #define XFS_ATTRRM_SPACE_RES(mp) \
- XFS_DAREMOVE_SPACE_RES(mp, XFS_ATTR_FORK)
- /* This macro is not used - see inline code in xfs_attr_set */
- #define XFS_ATTRSET_SPACE_RES(mp, v) \
- (XFS_DAENTER_SPACE_RES(mp, XFS_ATTR_FORK) + XFS_B_TO_FSB(mp, v))
- #define XFS_CREATE_SPACE_RES(mp,nl) \
- (XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl))
- #define XFS_DIOSTRAT_SPACE_RES(mp, v) \
- (XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK) + (v))
- #define XFS_GROWFS_SPACE_RES(mp) \
- (2 * XFS_AG_MAXLEVELS(mp))
- #define XFS_GROWFSRT_SPACE_RES(mp,b) \
- ((b) + XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK))
- #define XFS_LINK_SPACE_RES(mp,nl) \
- XFS_DIRENTER_SPACE_RES(mp,nl)
- #define XFS_MKDIR_SPACE_RES(mp,nl) \
- (XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl))
- #define XFS_QM_DQALLOC_SPACE_RES(mp) \
- (XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK) + \
- XFS_DQUOT_CLUSTER_SIZE_FSB)
- #define XFS_QM_QINOCREATE_SPACE_RES(mp) \
- XFS_IALLOC_SPACE_RES(mp)
- #define XFS_REMOVE_SPACE_RES(mp) \
- XFS_DIRREMOVE_SPACE_RES(mp)
- #define XFS_RENAME_SPACE_RES(mp,nl) \
- (XFS_DIRREMOVE_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl))
- #define XFS_SYMLINK_SPACE_RES(mp,nl,b) \
- (XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl) + (b))
- #endif /* __XFS_TRANS_SPACE_H__ */
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