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99 lines
3.7 KiB
99 lines
3.7 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* Copyright (c) 2000,2005 Silicon Graphics, Inc. |
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* All Rights Reserved. |
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*/ |
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#ifndef __XFS_TRANS_SPACE_H__ |
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#define __XFS_TRANS_SPACE_H__ |
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/* |
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* Components of space reservations. |
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*/ |
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/* Worst case number of rmaps that can be held in a block. */ |
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#define XFS_MAX_CONTIG_RMAPS_PER_BLOCK(mp) \ |
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(((mp)->m_rmap_mxr[0]) - ((mp)->m_rmap_mnr[0])) |
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/* Adding one rmap could split every level up to the top of the tree. */ |
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#define XFS_RMAPADD_SPACE_RES(mp) ((mp)->m_rmap_maxlevels) |
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/* Blocks we might need to add "b" rmaps to a tree. */ |
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#define XFS_NRMAPADD_SPACE_RES(mp, b)\ |
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(((b + XFS_MAX_CONTIG_RMAPS_PER_BLOCK(mp) - 1) / \ |
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XFS_MAX_CONTIG_RMAPS_PER_BLOCK(mp)) * \ |
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XFS_RMAPADD_SPACE_RES(mp)) |
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#define XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp) \ |
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(((mp)->m_alloc_mxr[0]) - ((mp)->m_alloc_mnr[0])) |
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#define XFS_EXTENTADD_SPACE_RES(mp,w) (XFS_BM_MAXLEVELS(mp,w) - 1) |
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#define XFS_NEXTENTADD_SPACE_RES(mp,b,w)\ |
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(((b + XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp) - 1) / \ |
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XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp)) * \ |
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XFS_EXTENTADD_SPACE_RES(mp,w)) |
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/* Blocks we might need to add "b" mappings & rmappings to a file. */ |
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#define XFS_SWAP_RMAP_SPACE_RES(mp,b,w)\ |
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(XFS_NEXTENTADD_SPACE_RES((mp), (b), (w)) + \ |
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XFS_NRMAPADD_SPACE_RES((mp), (b))) |
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#define XFS_DAENTER_1B(mp,w) \ |
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((w) == XFS_DATA_FORK ? (mp)->m_dir_geo->fsbcount : 1) |
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#define XFS_DAENTER_DBS(mp,w) \ |
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(XFS_DA_NODE_MAXDEPTH + (((w) == XFS_DATA_FORK) ? 2 : 0)) |
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#define XFS_DAENTER_BLOCKS(mp,w) \ |
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(XFS_DAENTER_1B(mp,w) * XFS_DAENTER_DBS(mp,w)) |
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#define XFS_DAENTER_BMAP1B(mp,w) \ |
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XFS_NEXTENTADD_SPACE_RES(mp, XFS_DAENTER_1B(mp, w), w) |
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#define XFS_DAENTER_BMAPS(mp,w) \ |
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(XFS_DAENTER_DBS(mp,w) * XFS_DAENTER_BMAP1B(mp,w)) |
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#define XFS_DAENTER_SPACE_RES(mp,w) \ |
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(XFS_DAENTER_BLOCKS(mp,w) + XFS_DAENTER_BMAPS(mp,w)) |
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#define XFS_DAREMOVE_SPACE_RES(mp,w) XFS_DAENTER_BMAPS(mp,w) |
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#define XFS_DIRENTER_MAX_SPLIT(mp,nl) 1 |
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#define XFS_DIRENTER_SPACE_RES(mp,nl) \ |
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(XFS_DAENTER_SPACE_RES(mp, XFS_DATA_FORK) * \ |
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XFS_DIRENTER_MAX_SPLIT(mp,nl)) |
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#define XFS_DIRREMOVE_SPACE_RES(mp) \ |
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XFS_DAREMOVE_SPACE_RES(mp, XFS_DATA_FORK) |
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#define XFS_IALLOC_SPACE_RES(mp) \ |
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(M_IGEO(mp)->ialloc_blks + \ |
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((xfs_has_finobt(mp) ? 2 : 1) * M_IGEO(mp)->inobt_maxlevels)) |
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/* |
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* Space reservation values for various transactions. |
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*/ |
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#define XFS_ADDAFORK_SPACE_RES(mp) \ |
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((mp)->m_dir_geo->fsbcount + XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK)) |
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#define XFS_ATTRRM_SPACE_RES(mp) \ |
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XFS_DAREMOVE_SPACE_RES(mp, XFS_ATTR_FORK) |
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/* This macro is not used - see inline code in xfs_attr_set */ |
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#define XFS_ATTRSET_SPACE_RES(mp, v) \ |
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(XFS_DAENTER_SPACE_RES(mp, XFS_ATTR_FORK) + XFS_B_TO_FSB(mp, v)) |
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#define XFS_CREATE_SPACE_RES(mp,nl) \ |
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(XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl)) |
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#define XFS_DIOSTRAT_SPACE_RES(mp, v) \ |
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(XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK) + (v)) |
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#define XFS_GROWFS_SPACE_RES(mp) \ |
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(2 * (mp)->m_ag_maxlevels) |
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#define XFS_GROWFSRT_SPACE_RES(mp,b) \ |
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((b) + XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK)) |
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#define XFS_LINK_SPACE_RES(mp,nl) \ |
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XFS_DIRENTER_SPACE_RES(mp,nl) |
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#define XFS_MKDIR_SPACE_RES(mp,nl) \ |
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(XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl)) |
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#define XFS_QM_DQALLOC_SPACE_RES(mp) \ |
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(XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK) + \ |
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XFS_DQUOT_CLUSTER_SIZE_FSB) |
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#define XFS_QM_QINOCREATE_SPACE_RES(mp) \ |
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XFS_IALLOC_SPACE_RES(mp) |
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#define XFS_REMOVE_SPACE_RES(mp) \ |
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XFS_DIRREMOVE_SPACE_RES(mp) |
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#define XFS_RENAME_SPACE_RES(mp,nl) \ |
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(XFS_DIRREMOVE_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl)) |
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#define XFS_SYMLINK_SPACE_RES(mp,nl,b) \ |
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(XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl) + (b)) |
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#define XFS_IFREE_SPACE_RES(mp) \ |
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(xfs_has_finobt(mp) ? M_IGEO(mp)->inobt_maxlevels : 0) |
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#endif /* __XFS_TRANS_SPACE_H__ */
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