Loading...
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (c) 2000,2005 Silicon Graphics, Inc.
4 * All Rights Reserved.
5 */
6#ifndef __XFS_TRANS_SPACE_H__
7#define __XFS_TRANS_SPACE_H__
8
9/*
10 * Components of space reservations.
11 */
12
13/* Worst case number of rmaps that can be held in a block. */
14#define XFS_MAX_CONTIG_RMAPS_PER_BLOCK(mp) \
15 (((mp)->m_rmap_mxr[0]) - ((mp)->m_rmap_mnr[0]))
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
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
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
33#define XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp) \
34 (((mp)->m_alloc_mxr[0]) - ((mp)->m_alloc_mnr[0]))
35#define XFS_EXTENTADD_SPACE_RES(mp,w) (XFS_BM_MAXLEVELS(mp,w) - 1)
36#define XFS_NEXTENTADD_SPACE_RES(mp,b,w)\
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))
40
41/* Blocks we might need to add "b" mappings & rmappings to a file. */
42#define XFS_SWAP_RMAP_SPACE_RES(mp,b,w)\
43 (XFS_NEXTENTADD_SPACE_RES((mp), (b), (w)) + \
44 XFS_NRMAPADD_SPACE_RES((mp), (b)))
45
46#define XFS_DAENTER_1B(mp,w) \
47 ((w) == XFS_DATA_FORK ? (mp)->m_dir_geo->fsbcount : 1)
48#define XFS_DAENTER_DBS(mp,w) \
49 (XFS_DA_NODE_MAXDEPTH + (((w) == XFS_DATA_FORK) ? 2 : 0))
50#define XFS_DAENTER_BLOCKS(mp,w) \
51 (XFS_DAENTER_1B(mp,w) * XFS_DAENTER_DBS(mp,w))
52#define XFS_DAENTER_BMAP1B(mp,w) \
53 XFS_NEXTENTADD_SPACE_RES(mp, XFS_DAENTER_1B(mp, w), w)
54#define XFS_DAENTER_BMAPS(mp,w) \
55 (XFS_DAENTER_DBS(mp,w) * XFS_DAENTER_BMAP1B(mp,w))
56#define XFS_DAENTER_SPACE_RES(mp,w) \
57 (XFS_DAENTER_BLOCKS(mp,w) + XFS_DAENTER_BMAPS(mp,w))
58#define XFS_DAREMOVE_SPACE_RES(mp,w) XFS_DAENTER_BMAPS(mp,w)
59#define XFS_DIRENTER_MAX_SPLIT(mp,nl) 1
60#define XFS_DIRENTER_SPACE_RES(mp,nl) \
61 (XFS_DAENTER_SPACE_RES(mp, XFS_DATA_FORK) * \
62 XFS_DIRENTER_MAX_SPLIT(mp,nl))
63#define XFS_DIRREMOVE_SPACE_RES(mp) \
64 XFS_DAREMOVE_SPACE_RES(mp, XFS_DATA_FORK)
65#define XFS_IALLOC_SPACE_RES(mp) \
66 (M_IGEO(mp)->ialloc_blks + \
67 ((xfs_has_finobt(mp) ? 2 : 1) * M_IGEO(mp)->inobt_maxlevels))
68
69/*
70 * Space reservation values for various transactions.
71 */
72#define XFS_ADDAFORK_SPACE_RES(mp) \
73 ((mp)->m_dir_geo->fsbcount + XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK))
74#define XFS_ATTRRM_SPACE_RES(mp) \
75 XFS_DAREMOVE_SPACE_RES(mp, XFS_ATTR_FORK)
76/* This macro is not used - see inline code in xfs_attr_set */
77#define XFS_ATTRSET_SPACE_RES(mp, v) \
78 (XFS_DAENTER_SPACE_RES(mp, XFS_ATTR_FORK) + XFS_B_TO_FSB(mp, v))
79#define XFS_CREATE_SPACE_RES(mp,nl) \
80 (XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl))
81#define XFS_DIOSTRAT_SPACE_RES(mp, v) \
82 (XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK) + (v))
83#define XFS_GROWFS_SPACE_RES(mp) \
84 (2 * (mp)->m_alloc_maxlevels)
85#define XFS_GROWFSRT_SPACE_RES(mp,b) \
86 ((b) + XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK))
87#define XFS_LINK_SPACE_RES(mp,nl) \
88 XFS_DIRENTER_SPACE_RES(mp,nl)
89#define XFS_MKDIR_SPACE_RES(mp,nl) \
90 (XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl))
91#define XFS_QM_DQALLOC_SPACE_RES(mp) \
92 (XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK) + \
93 XFS_DQUOT_CLUSTER_SIZE_FSB)
94#define XFS_QM_QINOCREATE_SPACE_RES(mp) \
95 XFS_IALLOC_SPACE_RES(mp)
96#define XFS_REMOVE_SPACE_RES(mp) \
97 XFS_DIRREMOVE_SPACE_RES(mp)
98#define XFS_RENAME_SPACE_RES(mp,nl) \
99 (XFS_DIRREMOVE_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl))
100#define XFS_SYMLINK_SPACE_RES(mp,nl,b) \
101 (XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl) + (b))
102#define XFS_IFREE_SPACE_RES(mp) \
103 (xfs_has_finobt(mp) ? M_IGEO(mp)->inobt_maxlevels : 0)
104
105
106#endif /* __XFS_TRANS_SPACE_H__ */
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (c) 2000,2005 Silicon Graphics, Inc.
4 * All Rights Reserved.
5 */
6#ifndef __XFS_TRANS_SPACE_H__
7#define __XFS_TRANS_SPACE_H__
8
9/*
10 * Components of space reservations.
11 */
12
13/* Worst case number of rmaps that can be held in a block. */
14#define XFS_MAX_CONTIG_RMAPS_PER_BLOCK(mp) \
15 (((mp)->m_rmap_mxr[0]) - ((mp)->m_rmap_mnr[0]))
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
20/* Blocks we might need to add "b" rmaps to a tree. */
21#define XFS_NRMAPADD_SPACE_RES(mp, b)\
22 (((b + XFS_MAX_CONTIG_RMAPS_PER_BLOCK(mp) - 1) / \
23 XFS_MAX_CONTIG_RMAPS_PER_BLOCK(mp)) * \
24 XFS_RMAPADD_SPACE_RES(mp))
25
26#define XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp) \
27 (((mp)->m_alloc_mxr[0]) - ((mp)->m_alloc_mnr[0]))
28#define XFS_EXTENTADD_SPACE_RES(mp,w) (XFS_BM_MAXLEVELS(mp,w) - 1)
29#define XFS_NEXTENTADD_SPACE_RES(mp,b,w)\
30 (((b + XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp) - 1) / \
31 XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp)) * \
32 XFS_EXTENTADD_SPACE_RES(mp,w))
33
34/* Blocks we might need to add "b" mappings & rmappings to a file. */
35#define XFS_SWAP_RMAP_SPACE_RES(mp,b,w)\
36 (XFS_NEXTENTADD_SPACE_RES((mp), (b), (w)) + \
37 XFS_NRMAPADD_SPACE_RES((mp), (b)))
38
39#define XFS_DAENTER_1B(mp,w) \
40 ((w) == XFS_DATA_FORK ? (mp)->m_dir_geo->fsbcount : 1)
41#define XFS_DAENTER_DBS(mp,w) \
42 (XFS_DA_NODE_MAXDEPTH + (((w) == XFS_DATA_FORK) ? 2 : 0))
43#define XFS_DAENTER_BLOCKS(mp,w) \
44 (XFS_DAENTER_1B(mp,w) * XFS_DAENTER_DBS(mp,w))
45#define XFS_DAENTER_BMAP1B(mp,w) \
46 XFS_NEXTENTADD_SPACE_RES(mp, XFS_DAENTER_1B(mp, w), w)
47#define XFS_DAENTER_BMAPS(mp,w) \
48 (XFS_DAENTER_DBS(mp,w) * XFS_DAENTER_BMAP1B(mp,w))
49#define XFS_DAENTER_SPACE_RES(mp,w) \
50 (XFS_DAENTER_BLOCKS(mp,w) + XFS_DAENTER_BMAPS(mp,w))
51#define XFS_DAREMOVE_SPACE_RES(mp,w) XFS_DAENTER_BMAPS(mp,w)
52#define XFS_DIRENTER_MAX_SPLIT(mp,nl) 1
53#define XFS_DIRENTER_SPACE_RES(mp,nl) \
54 (XFS_DAENTER_SPACE_RES(mp, XFS_DATA_FORK) * \
55 XFS_DIRENTER_MAX_SPLIT(mp,nl))
56#define XFS_DIRREMOVE_SPACE_RES(mp) \
57 XFS_DAREMOVE_SPACE_RES(mp, XFS_DATA_FORK)
58#define XFS_IALLOC_SPACE_RES(mp) \
59 (M_IGEO(mp)->ialloc_blks + \
60 ((xfs_sb_version_hasfinobt(&mp->m_sb) ? 2 : 1) * \
61 M_IGEO(mp)->inobt_maxlevels))
62
63/*
64 * Space reservation values for various transactions.
65 */
66#define XFS_ADDAFORK_SPACE_RES(mp) \
67 ((mp)->m_dir_geo->fsbcount + XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK))
68#define XFS_ATTRRM_SPACE_RES(mp) \
69 XFS_DAREMOVE_SPACE_RES(mp, XFS_ATTR_FORK)
70/* This macro is not used - see inline code in xfs_attr_set */
71#define XFS_ATTRSET_SPACE_RES(mp, v) \
72 (XFS_DAENTER_SPACE_RES(mp, XFS_ATTR_FORK) + XFS_B_TO_FSB(mp, v))
73#define XFS_CREATE_SPACE_RES(mp,nl) \
74 (XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl))
75#define XFS_DIOSTRAT_SPACE_RES(mp, v) \
76 (XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK) + (v))
77#define XFS_GROWFS_SPACE_RES(mp) \
78 (2 * (mp)->m_ag_maxlevels)
79#define XFS_GROWFSRT_SPACE_RES(mp,b) \
80 ((b) + XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK))
81#define XFS_LINK_SPACE_RES(mp,nl) \
82 XFS_DIRENTER_SPACE_RES(mp,nl)
83#define XFS_MKDIR_SPACE_RES(mp,nl) \
84 (XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl))
85#define XFS_QM_DQALLOC_SPACE_RES(mp) \
86 (XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK) + \
87 XFS_DQUOT_CLUSTER_SIZE_FSB)
88#define XFS_QM_QINOCREATE_SPACE_RES(mp) \
89 XFS_IALLOC_SPACE_RES(mp)
90#define XFS_REMOVE_SPACE_RES(mp) \
91 XFS_DIRREMOVE_SPACE_RES(mp)
92#define XFS_RENAME_SPACE_RES(mp,nl) \
93 (XFS_DIRREMOVE_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl))
94#define XFS_SYMLINK_SPACE_RES(mp,nl,b) \
95 (XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl) + (b))
96#define XFS_IFREE_SPACE_RES(mp) \
97 (xfs_sb_version_hasfinobt(&mp->m_sb) ? \
98 M_IGEO(mp)->inobt_maxlevels : 0)
99
100
101#endif /* __XFS_TRANS_SPACE_H__ */