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2bd0ea18 | 1 | /* |
854f7c66 | 2 | * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved. |
5000d01d | 3 | * |
2bd0ea18 NS |
4 | * This program is free software; you can redistribute it and/or modify it |
5 | * under the terms of version 2 of the GNU General Public License as | |
6 | * published by the Free Software Foundation. | |
5000d01d | 7 | * |
2bd0ea18 NS |
8 | * This program is distributed in the hope that it would be useful, but |
9 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | |
5000d01d | 11 | * |
2bd0ea18 NS |
12 | * Further, this software is distributed without any warranty that it is |
13 | * free of the rightful claim of any third person regarding infringement | |
dfc130f3 | 14 | * or the like. Any license provided herein, whether implied or |
2bd0ea18 NS |
15 | * otherwise, applies only to this software file. Patent licenses, if |
16 | * any, provided herein do not apply to combinations of this program with | |
17 | * other software, or any other product whatsoever. | |
5000d01d | 18 | * |
2bd0ea18 NS |
19 | * You should have received a copy of the GNU General Public License along |
20 | * with this program; if not, write the Free Software Foundation, Inc., 59 | |
21 | * Temple Place - Suite 330, Boston MA 02111-1307, USA. | |
5000d01d | 22 | * |
2bd0ea18 NS |
23 | * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, |
24 | * Mountain View, CA 94043, or: | |
5000d01d SL |
25 | * |
26 | * http://www.sgi.com | |
27 | * | |
28 | * For further information regarding this notice, see: | |
29 | * | |
2bd0ea18 NS |
30 | * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/ |
31 | */ | |
32 | #ifndef __XFS_TRANS_SPACE_H__ | |
33 | #define __XFS_TRANS_SPACE_H__ | |
34 | ||
35 | /* | |
36 | * Components of space reservations. | |
37 | */ | |
dfc130f3 | 38 | #define XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp) \ |
5000d01d | 39 | (((mp)->m_alloc_mxr[0]) - ((mp)->m_alloc_mnr[0])) |
dfc130f3 | 40 | #define XFS_EXTENTADD_SPACE_RES(mp,w) (XFS_BM_MAXLEVELS(mp,w) - 1) |
2bd0ea18 | 41 | #define XFS_NEXTENTADD_SPACE_RES(mp,b,w)\ |
5000d01d SL |
42 | (((b + XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp) - 1) / \ |
43 | XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp)) * \ | |
44 | XFS_EXTENTADD_SPACE_RES(mp,w)) | |
dfc130f3 RC |
45 | #define XFS_DAENTER_1B(mp,w) ((w) == XFS_DATA_FORK ? (mp)->m_dirblkfsbs : 1) |
46 | #define XFS_DAENTER_DBS(mp,w) \ | |
2bd0ea18 NS |
47 | (XFS_DA_NODE_MAXDEPTH + \ |
48 | ((XFS_DIR_IS_V2(mp) && (w) == XFS_DATA_FORK) ? 2 : 0)) | |
dfc130f3 | 49 | #define XFS_DAENTER_BLOCKS(mp,w) \ |
2bd0ea18 | 50 | (XFS_DAENTER_1B(mp,w) * XFS_DAENTER_DBS(mp,w)) |
dfc130f3 | 51 | #define XFS_DAENTER_BMAP1B(mp,w) \ |
2bd0ea18 | 52 | XFS_NEXTENTADD_SPACE_RES(mp, XFS_DAENTER_1B(mp, w), w) |
dfc130f3 | 53 | #define XFS_DAENTER_BMAPS(mp,w) \ |
2bd0ea18 | 54 | (XFS_DAENTER_DBS(mp,w) * XFS_DAENTER_BMAP1B(mp,w)) |
dfc130f3 | 55 | #define XFS_DAENTER_SPACE_RES(mp,w) \ |
2bd0ea18 | 56 | (XFS_DAENTER_BLOCKS(mp,w) + XFS_DAENTER_BMAPS(mp,w)) |
dfc130f3 RC |
57 | #define XFS_DAREMOVE_SPACE_RES(mp,w) XFS_DAENTER_BMAPS(mp,w) |
58 | #define XFS_DIRENTER_MAX_SPLIT(mp,nl) \ | |
2bd0ea18 NS |
59 | (((mp)->m_sb.sb_blocksize == 512 && \ |
60 | XFS_DIR_IS_V1(mp) && \ | |
61 | (nl) >= XFS_DIR_LEAF_CAN_DOUBLE_SPLIT_LEN) ? 2 : 1) | |
dfc130f3 | 62 | #define XFS_DIRENTER_SPACE_RES(mp,nl) \ |
2bd0ea18 NS |
63 | (XFS_DAENTER_SPACE_RES(mp, XFS_DATA_FORK) * \ |
64 | XFS_DIRENTER_MAX_SPLIT(mp,nl)) | |
dfc130f3 | 65 | #define XFS_DIRREMOVE_SPACE_RES(mp) \ |
2bd0ea18 | 66 | XFS_DAREMOVE_SPACE_RES(mp, XFS_DATA_FORK) |
dfc130f3 | 67 | #define XFS_IALLOC_SPACE_RES(mp) \ |
2bd0ea18 NS |
68 | (XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp)-1) |
69 | ||
70 | /* | |
71 | * Space reservation values for various transactions. | |
72 | */ | |
dfc130f3 | 73 | #define XFS_ADDAFORK_SPACE_RES(mp) \ |
2bd0ea18 NS |
74 | ((mp)->m_dirblkfsbs + \ |
75 | (XFS_DIR_IS_V1(mp) ? 0 : XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK))) | |
dfc130f3 | 76 | #define XFS_ATTRRM_SPACE_RES(mp) \ |
2bd0ea18 NS |
77 | XFS_DAREMOVE_SPACE_RES(mp, XFS_ATTR_FORK) |
78 | /* This macro is not used - see inline code in xfs_attr_set */ | |
dfc130f3 | 79 | #define XFS_ATTRSET_SPACE_RES(mp, v) \ |
2bd0ea18 | 80 | (XFS_DAENTER_SPACE_RES(mp, XFS_ATTR_FORK) + XFS_B_TO_FSB(mp, v)) |
dfc130f3 | 81 | #define XFS_CREATE_SPACE_RES(mp,nl) \ |
2bd0ea18 | 82 | (XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl)) |
dfc130f3 | 83 | #define XFS_DIOSTRAT_SPACE_RES(mp, v) \ |
2bd0ea18 | 84 | (XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK) + (v)) |
dfc130f3 | 85 | #define XFS_GROWFS_SPACE_RES(mp) \ |
2bd0ea18 | 86 | (2 * XFS_AG_MAXLEVELS(mp)) |
dfc130f3 | 87 | #define XFS_GROWFSRT_SPACE_RES(mp,b) \ |
2bd0ea18 | 88 | ((b) + XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK)) |
dfc130f3 | 89 | #define XFS_LINK_SPACE_RES(mp,nl) \ |
2bd0ea18 | 90 | XFS_DIRENTER_SPACE_RES(mp,nl) |
dfc130f3 | 91 | #define XFS_MKDIR_SPACE_RES(mp,nl) \ |
2bd0ea18 | 92 | (XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl)) |
dfc130f3 | 93 | #define XFS_QM_DQALLOC_SPACE_RES(mp) \ |
2bd0ea18 NS |
94 | (XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK) + \ |
95 | XFS_DQUOT_CLUSTER_SIZE_FSB) | |
dfc130f3 | 96 | #define XFS_QM_QINOCREATE_SPACE_RES(mp) \ |
2bd0ea18 | 97 | XFS_IALLOC_SPACE_RES(mp) |
dfc130f3 | 98 | #define XFS_REMOVE_SPACE_RES(mp) \ |
2bd0ea18 | 99 | XFS_DIRREMOVE_SPACE_RES(mp) |
dfc130f3 | 100 | #define XFS_RENAME_SPACE_RES(mp,nl) \ |
2bd0ea18 | 101 | (XFS_DIRREMOVE_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl)) |
dfc130f3 | 102 | #define XFS_SYMLINK_SPACE_RES(mp,nl,b) \ |
2bd0ea18 NS |
103 | (XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl) + (b)) |
104 | ||
105 | #endif /* __XFS_TRANS_SPACE_H__ */ |