projects / thirdparty / xfsprogs-dev.git / blame
| Commit | Line | Data |
|---|---|---|
| 37b3b4d6 | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2bd0ea18 | 2 | /* |
| f302e9e4 NS |
3 | * Copyright (c) 2000,2005 Silicon Graphics, Inc. |
| 4 | * All Rights Reserved. | |
| 2bd0ea18 NS |
5 | */ |
| 6 | #ifndef __XFS_TRANS_SPACE_H__ | |
| 7 | #define __XFS_TRANS_SPACE_H__ | |
| 8 | ||
| 9 | /* | |
| 10 | * Components of space reservations. | |
| 11 | */ | |
| 4726325d DW |
12 | |
| 13 | /* Worst case number of rmaps that can be held in a block. */ | |
| 09a5b0e2 DW |
14 | #define XFS_MAX_CONTIG_RMAPS_PER_BLOCK(mp) \ |
| 15 | (((mp)->m_rmap_mxr[0]) - ((mp)->m_rmap_mnr[0])) | |
| 4726325d DW |
16 | |
| 17 | /* Adding one rmap could split every level up to the top of the tree. */ | |
| 18 | #define XFS_RMAPADD_SPACE_RES(mp) ((mp)->m_rmap_maxlevels) | |
| 19 | ||
| 4a9e48bf DW |
20 | /* |
| 21 | * Note that we historically set m_rmap_maxlevels to 9 when reflink is enabled, | |
| 22 | * so we must preserve this behavior to avoid changing the transaction space | |
| 23 | * reservations and minimum log size calculations for existing filesystems. | |
| 24 | */ | |
| 25 | #define XFS_OLD_REFLINK_RMAP_MAXLEVELS 9 | |
| 26 | ||
| 4726325d DW |
27 | /* Blocks we might need to add "b" rmaps to a tree. */ |
| 28 | #define XFS_NRMAPADD_SPACE_RES(mp, b)\ | |
| 29 | (((b + XFS_MAX_CONTIG_RMAPS_PER_BLOCK(mp) - 1) / \ | |
| 30 | XFS_MAX_CONTIG_RMAPS_PER_BLOCK(mp)) * \ | |
| 31 | XFS_RMAPADD_SPACE_RES(mp)) | |
| 32 | ||
| dfc130f3 | 33 | #define XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp) \ |
| 5000d01d | 34 | (((mp)->m_alloc_mxr[0]) - ((mp)->m_alloc_mnr[0])) |
| dfc130f3 | 35 | #define XFS_EXTENTADD_SPACE_RES(mp,w) (XFS_BM_MAXLEVELS(mp,w) - 1) |
| 2bd0ea18 | 36 | #define XFS_NEXTENTADD_SPACE_RES(mp,b,w)\ |
| 5000d01d SL |
37 | (((b + XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp) - 1) / \ |
| 38 | XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp)) * \ | |
| 39 | XFS_EXTENTADD_SPACE_RES(mp,w)) | |
| 4726325d DW |
40 | |
| 41 | /* Blocks we might need to add "b" mappings & rmappings to a file. */ | |
| 09a5b0e2 | 42 | #define XFS_SWAP_RMAP_SPACE_RES(mp,b,w)\ |
| 4726325d DW |
43 | (XFS_NEXTENTADD_SPACE_RES((mp), (b), (w)) + \ |
| 44 | XFS_NRMAPADD_SPACE_RES((mp), (b))) | |
| 45 | ||
| ff105f75 DC |
46 | #define XFS_DAENTER_1B(mp,w) \ |
| 47 | ((w) == XFS_DATA_FORK ? (mp)->m_dir_geo->fsbcount : 1) | |
| dfc130f3 | 48 | #define XFS_DAENTER_DBS(mp,w) \ |
| 5e656dbb | 49 | (XFS_DA_NODE_MAXDEPTH + (((w) == XFS_DATA_FORK) ? 2 : 0)) |
| dfc130f3 | 50 | #define XFS_DAENTER_BLOCKS(mp,w) \ |
| 2bd0ea18 | 51 | (XFS_DAENTER_1B(mp,w) * XFS_DAENTER_DBS(mp,w)) |
| dfc130f3 | 52 | #define XFS_DAENTER_BMAP1B(mp,w) \ |
| 2bd0ea18 | 53 | XFS_NEXTENTADD_SPACE_RES(mp, XFS_DAENTER_1B(mp, w), w) |
| dfc130f3 | 54 | #define XFS_DAENTER_BMAPS(mp,w) \ |
| 2bd0ea18 | 55 | (XFS_DAENTER_DBS(mp,w) * XFS_DAENTER_BMAP1B(mp,w)) |
| dfc130f3 | 56 | #define XFS_DAENTER_SPACE_RES(mp,w) \ |
| 2bd0ea18 | 57 | (XFS_DAENTER_BLOCKS(mp,w) + XFS_DAENTER_BMAPS(mp,w)) |
| dfc130f3 | 58 | #define XFS_DAREMOVE_SPACE_RES(mp,w) XFS_DAENTER_BMAPS(mp,w) |
| 5e656dbb | 59 | #define XFS_DIRENTER_MAX_SPLIT(mp,nl) 1 |
| dfc130f3 | 60 | #define XFS_DIRENTER_SPACE_RES(mp,nl) \ |
| 2bd0ea18 NS |
61 | (XFS_DAENTER_SPACE_RES(mp, XFS_DATA_FORK) * \ |
| 62 | XFS_DIRENTER_MAX_SPLIT(mp,nl)) | |
| dfc130f3 | 63 | #define XFS_DIRREMOVE_SPACE_RES(mp) \ |
| 2bd0ea18 | 64 | XFS_DAREMOVE_SPACE_RES(mp, XFS_DATA_FORK) |
| dfc130f3 | 65 | #define XFS_IALLOC_SPACE_RES(mp) \ |
| e7fd2b6f | 66 | (M_IGEO(mp)->ialloc_blks + \ |
| 94541a16 | 67 | ((xfs_has_finobt(mp) ? 2 : 1) * M_IGEO(mp)->inobt_maxlevels)) |
| 2bd0ea18 NS |
68 | |
| 69 | /* | |
| 70 | * Space reservation values for various transactions. | |
| 71 | */ | |
| dfc130f3 | 72 | #define XFS_ADDAFORK_SPACE_RES(mp) \ |
| ff105f75 | 73 | ((mp)->m_dir_geo->fsbcount + XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK)) |
| dfc130f3 | 74 | #define XFS_ATTRRM_SPACE_RES(mp) \ |
| 2bd0ea18 NS |
75 | XFS_DAREMOVE_SPACE_RES(mp, XFS_ATTR_FORK) |
| 76 | /* This macro is not used - see inline code in xfs_attr_set */ | |
| dfc130f3 | 77 | #define XFS_ATTRSET_SPACE_RES(mp, v) \ |
| 2bd0ea18 | 78 | (XFS_DAENTER_SPACE_RES(mp, XFS_ATTR_FORK) + XFS_B_TO_FSB(mp, v)) |
| dfc130f3 | 79 | #define XFS_CREATE_SPACE_RES(mp,nl) \ |
| 2bd0ea18 | 80 | (XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl)) |
| dfc130f3 | 81 | #define XFS_DIOSTRAT_SPACE_RES(mp, v) \ |
| 2bd0ea18 | 82 | (XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK) + (v)) |
| dfc130f3 | 83 | #define XFS_GROWFS_SPACE_RES(mp) \ |
| 4aa2259d | 84 | (2 * (mp)->m_alloc_maxlevels) |
| dfc130f3 | 85 | #define XFS_GROWFSRT_SPACE_RES(mp,b) \ |
| 2bd0ea18 | 86 | ((b) + XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK)) |
| dfc130f3 | 87 | #define XFS_LINK_SPACE_RES(mp,nl) \ |
| 2bd0ea18 | 88 | XFS_DIRENTER_SPACE_RES(mp,nl) |
| dfc130f3 | 89 | #define XFS_MKDIR_SPACE_RES(mp,nl) \ |
| 2bd0ea18 | 90 | (XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl)) |
| dfc130f3 | 91 | #define XFS_QM_DQALLOC_SPACE_RES(mp) \ |
| 2bd0ea18 NS |
92 | (XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK) + \ |
| 93 | XFS_DQUOT_CLUSTER_SIZE_FSB) | |
| dfc130f3 | 94 | #define XFS_QM_QINOCREATE_SPACE_RES(mp) \ |
| 2bd0ea18 | 95 | XFS_IALLOC_SPACE_RES(mp) |
| dfc130f3 | 96 | #define XFS_REMOVE_SPACE_RES(mp) \ |
| 2bd0ea18 | 97 | XFS_DIRREMOVE_SPACE_RES(mp) |
| dfc130f3 | 98 | #define XFS_RENAME_SPACE_RES(mp,nl) \ |
| 2bd0ea18 | 99 | (XFS_DIRREMOVE_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl)) |
| dfc130f3 | 100 | #define XFS_SYMLINK_SPACE_RES(mp,nl,b) \ |
| 2bd0ea18 | 101 | (XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl) + (b)) |
| 0f88d64a | 102 | #define XFS_IFREE_SPACE_RES(mp) \ |
| 94541a16 | 103 | (xfs_has_finobt(mp) ? M_IGEO(mp)->inobt_maxlevels : 0) |
| 0f88d64a | 104 | |
| 2bd0ea18 NS |
105 | |
| 106 | #endif /* __XFS_TRANS_SPACE_H__ */ |