| /* |
| * 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) \ |
| ((mp)->m_ialloc_blks + \ |
| (xfs_sb_version_hasfinobt(&mp->m_sb) ? 2 : 1 * \ |
| ((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)) |
| #define XFS_IFREE_SPACE_RES(mp) \ |
| (xfs_sb_version_hasfinobt(&mp->m_sb) ? (mp)->m_in_maxlevels : 0) |
| |
| |
| #endif /* __XFS_TRANS_SPACE_H__ */ |