1/* 2 * Copyright (c) 2000,2005 Silicon Graphics, Inc. 3 * All Rights Reserved. 4 * 5 * This program is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU General Public License as 7 * published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it would be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write the Free Software Foundation, 16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 17 */ 18#ifndef __XFS_TRANS_SPACE_H__ 19#define __XFS_TRANS_SPACE_H__ 20 21/* 22 * Components of space reservations. 23 */ 24#define XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp) \ 25 (((mp)->m_alloc_mxr[0]) - ((mp)->m_alloc_mnr[0])) 26#define XFS_EXTENTADD_SPACE_RES(mp,w) (XFS_BM_MAXLEVELS(mp,w) - 1) 27#define XFS_NEXTENTADD_SPACE_RES(mp,b,w)\ 28 (((b + XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp) - 1) / \ 29 XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp)) * \ 30 XFS_EXTENTADD_SPACE_RES(mp,w)) 31#define XFS_DAENTER_1B(mp,w) ((w) == XFS_DATA_FORK ? (mp)->m_dirblkfsbs : 1) 32#define XFS_DAENTER_DBS(mp,w) \ 33 (XFS_DA_NODE_MAXDEPTH + (((w) == XFS_DATA_FORK) ? 2 : 0)) 34#define XFS_DAENTER_BLOCKS(mp,w) \ 35 (XFS_DAENTER_1B(mp,w) * XFS_DAENTER_DBS(mp,w)) 36#define XFS_DAENTER_BMAP1B(mp,w) \ 37 XFS_NEXTENTADD_SPACE_RES(mp, XFS_DAENTER_1B(mp, w), w) 38#define XFS_DAENTER_BMAPS(mp,w) \ 39 (XFS_DAENTER_DBS(mp,w) * XFS_DAENTER_BMAP1B(mp,w)) 40#define XFS_DAENTER_SPACE_RES(mp,w) \ 41 (XFS_DAENTER_BLOCKS(mp,w) + XFS_DAENTER_BMAPS(mp,w)) 42#define XFS_DAREMOVE_SPACE_RES(mp,w) XFS_DAENTER_BMAPS(mp,w) 43#define XFS_DIRENTER_MAX_SPLIT(mp,nl) 1 44#define XFS_DIRENTER_SPACE_RES(mp,nl) \ 45 (XFS_DAENTER_SPACE_RES(mp, XFS_DATA_FORK) * \ 46 XFS_DIRENTER_MAX_SPLIT(mp,nl)) 47#define XFS_DIRREMOVE_SPACE_RES(mp) \ 48 XFS_DAREMOVE_SPACE_RES(mp, XFS_DATA_FORK) 49#define XFS_IALLOC_SPACE_RES(mp) \ 50 (XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels - 1) 51 52/* 53 * Space reservation values for various transactions. 54 */ 55#define XFS_ADDAFORK_SPACE_RES(mp) \ 56 ((mp)->m_dirblkfsbs + XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK)) 57#define XFS_ATTRRM_SPACE_RES(mp) \ 58 XFS_DAREMOVE_SPACE_RES(mp, XFS_ATTR_FORK) 59/* This macro is not used - see inline code in xfs_attr_set */ 60#define XFS_ATTRSET_SPACE_RES(mp, v) \ 61 (XFS_DAENTER_SPACE_RES(mp, XFS_ATTR_FORK) + XFS_B_TO_FSB(mp, v)) 62#define XFS_CREATE_SPACE_RES(mp,nl) \ 63 (XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl)) 64#define XFS_DIOSTRAT_SPACE_RES(mp, v) \ 65 (XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK) + (v)) 66#define XFS_GROWFS_SPACE_RES(mp) \ 67 (2 * XFS_AG_MAXLEVELS(mp)) 68#define XFS_GROWFSRT_SPACE_RES(mp,b) \ 69 ((b) + XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK)) 70#define XFS_LINK_SPACE_RES(mp,nl) \ 71 XFS_DIRENTER_SPACE_RES(mp,nl) 72#define XFS_MKDIR_SPACE_RES(mp,nl) \ 73 (XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl)) 74#define XFS_QM_DQALLOC_SPACE_RES(mp) \ 75 (XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK) + \ 76 XFS_DQUOT_CLUSTER_SIZE_FSB) 77#define XFS_QM_QINOCREATE_SPACE_RES(mp) \ 78 XFS_IALLOC_SPACE_RES(mp) 79#define XFS_REMOVE_SPACE_RES(mp) \ 80 XFS_DIRREMOVE_SPACE_RES(mp) 81#define XFS_RENAME_SPACE_RES(mp,nl) \ 82 (XFS_DIRREMOVE_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl)) 83#define XFS_SYMLINK_SPACE_RES(mp,nl,b) \ 84 (XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl) + (b)) 85 86#endif /* __XFS_TRANS_SPACE_H__ */ 87