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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 |
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v2.6.34-rc5
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v3.9