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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
9struct xfs_mount;
10
11/*
12 * structure for maintaining pre-calculated transaction reservations.
13 */
14struct 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
21struct 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_qm_quotaoff; /* turn quota off */
50 struct xfs_trans_res tr_qm_equotaoff;/* end of turn quota off */
51 struct xfs_trans_res tr_sb; /* modify superblock */
52 struct xfs_trans_res tr_fsyncts; /* update timestamps on fsync */
53};
54
55/* shorthand way of accessing reservation structure */
56#define M_RES(mp) (&(mp)->m_resv)
57
58/*
59 * Per-directory log reservation for any directory change.
60 * dir blocks: (1 btree block per level + data block + free block) * dblock size
61 * bmap btree: (levels + 2) * max depth * block size
62 * v2 directory blocks can be fragmented below the dirblksize down to the fsb
63 * size, so account for that in the DAENTER macros.
64 */
65#define XFS_DIROP_LOG_RES(mp) \
66 (XFS_FSB_TO_B(mp, XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK)) + \
67 (XFS_FSB_TO_B(mp, XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1)))
68#define XFS_DIROP_LOG_COUNT(mp) \
69 (XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK) + \
70 XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1)
71
72/*
73 * Various log count values.
74 */
75#define XFS_DEFAULT_LOG_COUNT 1
76#define XFS_DEFAULT_PERM_LOG_COUNT 2
77#define XFS_ITRUNCATE_LOG_COUNT 2
78#define XFS_ITRUNCATE_LOG_COUNT_REFLINK 8
79#define XFS_INACTIVE_LOG_COUNT 2
80#define XFS_CREATE_LOG_COUNT 2
81#define XFS_CREATE_TMPFILE_LOG_COUNT 2
82#define XFS_MKDIR_LOG_COUNT 3
83#define XFS_SYMLINK_LOG_COUNT 3
84#define XFS_REMOVE_LOG_COUNT 2
85#define XFS_LINK_LOG_COUNT 2
86#define XFS_RENAME_LOG_COUNT 2
87#define XFS_WRITE_LOG_COUNT 2
88#define XFS_WRITE_LOG_COUNT_REFLINK 8
89#define XFS_ADDAFORK_LOG_COUNT 2
90#define XFS_ATTRINVAL_LOG_COUNT 1
91#define XFS_ATTRSET_LOG_COUNT 3
92#define XFS_ATTRRM_LOG_COUNT 3
93
94void xfs_trans_resv_calc(struct xfs_mount *mp, struct xfs_trans_resv *resp);
95uint xfs_allocfree_log_count(struct xfs_mount *mp, uint num_ops);
96
97#endif /* __XFS_TRANS_RESV_H__ */
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
9struct xfs_mount;
10
11/*
12 * structure for maintaining pre-calculated transaction reservations.
13 */
14struct 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
21struct 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
98void xfs_trans_resv_calc(struct xfs_mount *mp, struct xfs_trans_resv *resp);
99uint xfs_allocfree_block_count(struct xfs_mount *mp, uint num_ops);
100
101unsigned int xfs_calc_itruncate_reservation_minlogsize(struct xfs_mount *mp);
102unsigned int xfs_calc_write_reservation_minlogsize(struct xfs_mount *mp);
103unsigned int xfs_calc_qm_dqalloc_reservation_minlogsize(struct xfs_mount *mp);
104
105#endif /* __XFS_TRANS_RESV_H__ */