1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* |
3 | * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc. |
4 | * All Rights Reserved. |
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 | */ |
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 | |
21 | struct xfs_trans_resv { |
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 */ |
29 | struct xfs_trans_res tr_create_tmpfile; /* create O_TMPFILE trans */ |
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 */ |
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 */ |
47 | struct xfs_trans_res tr_qm_setqlim; /* adjust quota limits */ |
48 | struct xfs_trans_res tr_qm_dqalloc; /* allocate quota on disk */ |
49 | struct xfs_trans_res tr_sb; /* modify superblock */ |
50 | struct xfs_trans_res tr_fsyncts; /* update timestamps on fsync */ |
51 | }; |
52 | |
53 | /* shorthand way of accessing reservation structure */ |
54 | #define M_RES(mp) (&(mp)->m_resv) |
55 | |
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 | |
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 |
78 | #define XFS_CREATE_TMPFILE_LOG_COUNT 2 |
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 | |
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 | |
98 | void xfs_trans_resv_calc(struct xfs_mount *mp, struct xfs_trans_resv *resp); |
99 | uint xfs_allocfree_block_count(struct xfs_mount *mp, uint num_ops); |
100 | |
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 | |
105 | #endif /* __XFS_TRANS_RESV_H__ */ |
106 | |