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1da177e4 | 1 | /* |
7b718769 NS |
2 | * Copyright (c) 2000,2005 Silicon Graphics, Inc. |
3 | * All Rights Reserved. | |
1da177e4 | 4 | * |
7b718769 NS |
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 | |
1da177e4 LT |
7 | * published by the Free Software Foundation. |
8 | * | |
7b718769 NS |
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. | |
1da177e4 | 13 | * |
7b718769 NS |
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 | |
1da177e4 LT |
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)) | |
d6cf1305 DC |
31 | #define XFS_DAENTER_1B(mp,w) \ |
32 | ((w) == XFS_DATA_FORK ? (mp)->m_dir_geo->fsbcount : 1) | |
1da177e4 | 33 | #define XFS_DAENTER_DBS(mp,w) \ |
f6c2d1fa | 34 | (XFS_DA_NODE_MAXDEPTH + (((w) == XFS_DATA_FORK) ? 2 : 0)) |
1da177e4 LT |
35 | #define XFS_DAENTER_BLOCKS(mp,w) \ |
36 | (XFS_DAENTER_1B(mp,w) * XFS_DAENTER_DBS(mp,w)) | |
37 | #define XFS_DAENTER_BMAP1B(mp,w) \ | |
38 | XFS_NEXTENTADD_SPACE_RES(mp, XFS_DAENTER_1B(mp, w), w) | |
39 | #define XFS_DAENTER_BMAPS(mp,w) \ | |
40 | (XFS_DAENTER_DBS(mp,w) * XFS_DAENTER_BMAP1B(mp,w)) | |
41 | #define XFS_DAENTER_SPACE_RES(mp,w) \ | |
42 | (XFS_DAENTER_BLOCKS(mp,w) + XFS_DAENTER_BMAPS(mp,w)) | |
43 | #define XFS_DAREMOVE_SPACE_RES(mp,w) XFS_DAENTER_BMAPS(mp,w) | |
f6c2d1fa | 44 | #define XFS_DIRENTER_MAX_SPLIT(mp,nl) 1 |
1da177e4 LT |
45 | #define XFS_DIRENTER_SPACE_RES(mp,nl) \ |
46 | (XFS_DAENTER_SPACE_RES(mp, XFS_DATA_FORK) * \ | |
47 | XFS_DIRENTER_MAX_SPLIT(mp,nl)) | |
48 | #define XFS_DIRREMOVE_SPACE_RES(mp) \ | |
49 | XFS_DAREMOVE_SPACE_RES(mp, XFS_DATA_FORK) | |
50 | #define XFS_IALLOC_SPACE_RES(mp) \ | |
9d43b180 BF |
51 | ((mp)->m_ialloc_blks + \ |
52 | (xfs_sb_version_hasfinobt(&mp->m_sb) ? 2 : 1 * \ | |
53 | ((mp)->m_in_maxlevels - 1))) | |
1da177e4 LT |
54 | |
55 | /* | |
56 | * Space reservation values for various transactions. | |
57 | */ | |
58 | #define XFS_ADDAFORK_SPACE_RES(mp) \ | |
d6cf1305 | 59 | ((mp)->m_dir_geo->fsbcount + XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK)) |
1da177e4 LT |
60 | #define XFS_ATTRRM_SPACE_RES(mp) \ |
61 | XFS_DAREMOVE_SPACE_RES(mp, XFS_ATTR_FORK) | |
62 | /* This macro is not used - see inline code in xfs_attr_set */ | |
63 | #define XFS_ATTRSET_SPACE_RES(mp, v) \ | |
64 | (XFS_DAENTER_SPACE_RES(mp, XFS_ATTR_FORK) + XFS_B_TO_FSB(mp, v)) | |
65 | #define XFS_CREATE_SPACE_RES(mp,nl) \ | |
66 | (XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl)) | |
67 | #define XFS_DIOSTRAT_SPACE_RES(mp, v) \ | |
68 | (XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK) + (v)) | |
69 | #define XFS_GROWFS_SPACE_RES(mp) \ | |
496817b4 | 70 | (2 * (mp)->m_ag_maxlevels) |
1da177e4 LT |
71 | #define XFS_GROWFSRT_SPACE_RES(mp,b) \ |
72 | ((b) + XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK)) | |
73 | #define XFS_LINK_SPACE_RES(mp,nl) \ | |
74 | XFS_DIRENTER_SPACE_RES(mp,nl) | |
75 | #define XFS_MKDIR_SPACE_RES(mp,nl) \ | |
76 | (XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl)) | |
77 | #define XFS_QM_DQALLOC_SPACE_RES(mp) \ | |
78 | (XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK) + \ | |
79 | XFS_DQUOT_CLUSTER_SIZE_FSB) | |
80 | #define XFS_QM_QINOCREATE_SPACE_RES(mp) \ | |
81 | XFS_IALLOC_SPACE_RES(mp) | |
82 | #define XFS_REMOVE_SPACE_RES(mp) \ | |
83 | XFS_DIRREMOVE_SPACE_RES(mp) | |
84 | #define XFS_RENAME_SPACE_RES(mp,nl) \ | |
85 | (XFS_DIRREMOVE_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl)) | |
86 | #define XFS_SYMLINK_SPACE_RES(mp,nl,b) \ | |
87 | (XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl) + (b)) | |
9d43b180 BF |
88 | #define XFS_IFREE_SPACE_RES(mp) \ |
89 | (xfs_sb_version_hasfinobt(&mp->m_sb) ? (mp)->m_in_maxlevels : 0) | |
90 | ||
1da177e4 LT |
91 | |
92 | #endif /* __XFS_TRANS_SPACE_H__ */ |