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37b3b4d6 | 1 | // SPDX-License-Identifier: GPL-2.0 |
364e85ec DC |
2 | /* |
3 | * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc. | |
4 | * All Rights Reserved. | |
364e85ec DC |
5 | */ |
6 | #ifndef __XFS_TRANS_RESV_H__ | |
7 | #define __XFS_TRANS_RESV_H__ | |
8 | ||
9 | struct xfs_mount; | |
10 | ||
11 | /* | |
12 | * structure for maintaining pre-calculated transaction reservations. | |
13 | */ | |
cf52c730 DC |
14 | struct xfs_trans_res { |
15 | uint tr_logres; /* log space unit in bytes per log ticket */ | |
16 | int tr_logcount; /* number of log operations per log ticket */ | |
17 | int tr_logflags; /* log flags, currently only used for indicating | |
18 | * a reservation request is permanent or not */ | |
19 | }; | |
20 | ||
364e85ec | 21 | struct xfs_trans_resv { |
cf52c730 DC |
22 | struct xfs_trans_res tr_write; /* extent alloc trans */ |
23 | struct xfs_trans_res tr_itruncate; /* truncate trans */ | |
24 | struct xfs_trans_res tr_rename; /* rename trans */ | |
25 | struct xfs_trans_res tr_link; /* link trans */ | |
26 | struct xfs_trans_res tr_remove; /* unlink trans */ | |
27 | struct xfs_trans_res tr_symlink; /* symlink trans */ | |
28 | struct xfs_trans_res tr_create; /* create trans */ | |
ff105f75 | 29 | struct xfs_trans_res tr_create_tmpfile; /* create O_TMPFILE trans */ |
cf52c730 DC |
30 | struct xfs_trans_res tr_mkdir; /* mkdir trans */ |
31 | struct xfs_trans_res tr_ifree; /* inode free trans */ | |
32 | struct xfs_trans_res tr_ichange; /* inode update trans */ | |
33 | struct xfs_trans_res tr_growdata; /* fs data section grow trans */ | |
cf52c730 DC |
34 | struct xfs_trans_res tr_addafork; /* add inode attr fork trans */ |
35 | struct xfs_trans_res tr_writeid; /* write setuid/setgid file */ | |
36 | struct xfs_trans_res tr_attrinval; /* attr fork buffer | |
37 | * invalidation */ | |
38 | struct xfs_trans_res tr_attrsetm; /* set/create an attribute at | |
39 | * mount time */ | |
40 | struct xfs_trans_res tr_attrsetrt; /* set/create an attribute at | |
41 | * runtime */ | |
42 | struct xfs_trans_res tr_attrrm; /* remove an attribute */ | |
43 | struct xfs_trans_res tr_clearagi; /* clear agi unlinked bucket */ | |
44 | struct xfs_trans_res tr_growrtalloc; /* grow realtime allocations */ | |
45 | struct xfs_trans_res tr_growrtzero; /* grow realtime zeroing */ | |
46 | struct xfs_trans_res tr_growrtfree; /* grow realtime freeing */ | |
cf52c730 DC |
47 | struct xfs_trans_res tr_qm_setqlim; /* adjust quota limits */ |
48 | struct xfs_trans_res tr_qm_dqalloc; /* allocate quota on disk */ | |
cf52c730 | 49 | struct xfs_trans_res tr_sb; /* modify superblock */ |
60295fb3 | 50 | struct xfs_trans_res tr_fsyncts; /* update timestamps on fsync */ |
364e85ec DC |
51 | }; |
52 | ||
48ea6cb9 DC |
53 | /* shorthand way of accessing reservation structure */ |
54 | #define M_RES(mp) (&(mp)->m_resv) | |
55 | ||
364e85ec DC |
56 | /* |
57 | * Per-directory log reservation for any directory change. | |
58 | * dir blocks: (1 btree block per level + data block + free block) * dblock size | |
59 | * bmap btree: (levels + 2) * max depth * block size | |
60 | * v2 directory blocks can be fragmented below the dirblksize down to the fsb | |
61 | * size, so account for that in the DAENTER macros. | |
62 | */ | |
63 | #define XFS_DIROP_LOG_RES(mp) \ | |
64 | (XFS_FSB_TO_B(mp, XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK)) + \ | |
65 | (XFS_FSB_TO_B(mp, XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1))) | |
66 | #define XFS_DIROP_LOG_COUNT(mp) \ | |
67 | (XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK) + \ | |
68 | XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1) | |
69 | ||
364e85ec DC |
70 | /* |
71 | * Various log count values. | |
72 | */ | |
73 | #define XFS_DEFAULT_LOG_COUNT 1 | |
74 | #define XFS_DEFAULT_PERM_LOG_COUNT 2 | |
75 | #define XFS_ITRUNCATE_LOG_COUNT 2 | |
76 | #define XFS_INACTIVE_LOG_COUNT 2 | |
77 | #define XFS_CREATE_LOG_COUNT 2 | |
ff105f75 | 78 | #define XFS_CREATE_TMPFILE_LOG_COUNT 2 |
364e85ec DC |
79 | #define XFS_MKDIR_LOG_COUNT 3 |
80 | #define XFS_SYMLINK_LOG_COUNT 3 | |
81 | #define XFS_REMOVE_LOG_COUNT 2 | |
82 | #define XFS_LINK_LOG_COUNT 2 | |
83 | #define XFS_RENAME_LOG_COUNT 2 | |
84 | #define XFS_WRITE_LOG_COUNT 2 | |
85 | #define XFS_ADDAFORK_LOG_COUNT 2 | |
86 | #define XFS_ATTRINVAL_LOG_COUNT 1 | |
87 | #define XFS_ATTRSET_LOG_COUNT 3 | |
88 | #define XFS_ATTRRM_LOG_COUNT 3 | |
89 | ||
e9d34a55 DW |
90 | /* |
91 | * Original log operation counts were overestimated in the early days of | |
92 | * reflink. These are retained here purely for minimum log size calculations | |
93 | * and must not be used for runtime reservations. | |
94 | */ | |
95 | #define XFS_ITRUNCATE_LOG_COUNT_REFLINK 8 | |
96 | #define XFS_WRITE_LOG_COUNT_REFLINK 8 | |
97 | ||
364e85ec | 98 | void xfs_trans_resv_calc(struct xfs_mount *mp, struct xfs_trans_resv *resp); |
b8e570fc | 99 | uint xfs_allocfree_block_count(struct xfs_mount *mp, uint num_ops); |
364e85ec | 100 | |
94fe6a31 DW |
101 | unsigned int xfs_calc_itruncate_reservation_minlogsize(struct xfs_mount *mp); |
102 | unsigned int xfs_calc_write_reservation_minlogsize(struct xfs_mount *mp); | |
103 | unsigned int xfs_calc_qm_dqalloc_reservation_minlogsize(struct xfs_mount *mp); | |
104 | ||
364e85ec | 105 | #endif /* __XFS_TRANS_RESV_H__ */ |