2 * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it would be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18 #ifndef __XFS_TRANS_RESV_H__
19 #define __XFS_TRANS_RESV_H__
24 * structure for maintaining pre-calculated transaction reservations.
26 struct xfs_trans_res {
27 uint tr_logres; /* log space unit in bytes per log ticket */
28 int tr_logcount; /* number of log operations per log ticket */
29 int tr_logflags; /* log flags, currently only used for indicating
30 * a reservation request is permanent or not */
33 struct xfs_trans_resv {
34 struct xfs_trans_res tr_write; /* extent alloc trans */
35 struct xfs_trans_res tr_itruncate; /* truncate trans */
36 struct xfs_trans_res tr_rename; /* rename trans */
37 struct xfs_trans_res tr_link; /* link trans */
38 struct xfs_trans_res tr_remove; /* unlink trans */
39 struct xfs_trans_res tr_symlink; /* symlink trans */
40 struct xfs_trans_res tr_create; /* create trans */
41 struct xfs_trans_res tr_mkdir; /* mkdir trans */
42 struct xfs_trans_res tr_ifree; /* inode free trans */
43 struct xfs_trans_res tr_ichange; /* inode update trans */
44 struct xfs_trans_res tr_growdata; /* fs data section grow trans */
45 struct xfs_trans_res tr_swrite; /* sync write inode trans */
46 struct xfs_trans_res tr_addafork; /* add inode attr fork trans */
47 struct xfs_trans_res tr_writeid; /* write setuid/setgid file */
48 struct xfs_trans_res tr_attrinval; /* attr fork buffer
50 struct xfs_trans_res tr_attrsetm; /* set/create an attribute at
52 struct xfs_trans_res tr_attrsetrt; /* set/create an attribute at
54 struct xfs_trans_res tr_attrrm; /* remove an attribute */
55 struct xfs_trans_res tr_clearagi; /* clear agi unlinked bucket */
56 struct xfs_trans_res tr_growrtalloc; /* grow realtime allocations */
57 struct xfs_trans_res tr_growrtzero; /* grow realtime zeroing */
58 struct xfs_trans_res tr_growrtfree; /* grow realtime freeing */
59 struct xfs_trans_res tr_qm_sbchange; /* change quota flags */
60 struct xfs_trans_res tr_qm_setqlim; /* adjust quota limits */
61 struct xfs_trans_res tr_qm_dqalloc; /* allocate quota on disk */
62 struct xfs_trans_res tr_qm_quotaoff; /* turn quota off */
63 struct xfs_trans_res tr_qm_equotaoff;/* end of turn quota off */
64 struct xfs_trans_res tr_sb; /* modify superblock */
65 struct xfs_trans_res tr_fsyncts; /* update timestamps on fsync */
69 * Per-extent log reservation for the allocation btree changes
70 * involved in freeing or allocating an extent.
71 * 2 trees * (2 blocks/level * max depth - 1) * block size
73 #define XFS_ALLOCFREE_LOG_RES(mp,nx) \
74 ((nx) * (2 * XFS_FSB_TO_B((mp), 2 * XFS_AG_MAXLEVELS(mp) - 1)))
75 #define XFS_ALLOCFREE_LOG_COUNT(mp,nx) \
76 ((nx) * (2 * (2 * XFS_AG_MAXLEVELS(mp) - 1)))
79 * Per-directory log reservation for any directory change.
80 * dir blocks: (1 btree block per level + data block + free block) * dblock size
81 * bmap btree: (levels + 2) * max depth * block size
82 * v2 directory blocks can be fragmented below the dirblksize down to the fsb
83 * size, so account for that in the DAENTER macros.
85 #define XFS_DIROP_LOG_RES(mp) \
86 (XFS_FSB_TO_B(mp, XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK)) + \
87 (XFS_FSB_TO_B(mp, XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1)))
88 #define XFS_DIROP_LOG_COUNT(mp) \
89 (XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK) + \
90 XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1)
93 #define XFS_WRITE_LOG_RES(mp) ((mp)->m_resv.tr_write.tr_logres)
94 #define XFS_RENAME_LOG_RES(mp) ((mp)->m_resv.tr_rename.tr_logres)
95 #define XFS_LINK_LOG_RES(mp) ((mp)->m_resv.tr_link.tr_logres)
96 #define XFS_REMOVE_LOG_RES(mp) ((mp)->m_resv.tr_remove.tr_logres)
97 #define XFS_SYMLINK_LOG_RES(mp) ((mp)->m_resv.tr_symlink.tr_logres)
98 #define XFS_CREATE_LOG_RES(mp) ((mp)->m_resv.tr_create.tr_logres)
99 #define XFS_MKDIR_LOG_RES(mp) ((mp)->m_resv.tr_mkdir.tr_logres)
100 #define XFS_IFREE_LOG_RES(mp) ((mp)->m_resv.tr_ifree.tr_logres)
101 #define XFS_SWRITE_LOG_RES(mp) ((mp)->m_resv.tr_swrite.tr_logres)
102 #define XFS_ICHANGE_LOG_RES(mp) ((mp)->m_resv.tr_ichange.tr_logres)
103 #define XFS_GROWDATA_LOG_RES(mp) ((mp)->m_resv.tr_growdata.tr_logres)
104 #define XFS_ITRUNCATE_LOG_RES(mp) ((mp)->m_resv.tr_itruncate.tr_logres)
105 #define XFS_GROWRTZERO_LOG_RES(mp) ((mp)->m_resv.tr_growrtzero.tr_logres)
106 #define XFS_GROWRTFREE_LOG_RES(mp) ((mp)->m_resv.tr_growrtfree.tr_logres)
107 #define XFS_GROWRTALLOC_LOG_RES(mp) ((mp)->m_resv.tr_growrtalloc.tr_logres)
110 * Logging the inode timestamps on an fsync -- same as SWRITE
111 * as long as SWRITE logs the entire inode core
113 #define XFS_FSYNC_TS_LOG_RES(mp) ((mp)->m_resv.tr_fsyncts.tr_logres)
114 #define XFS_WRITEID_LOG_RES(mp) ((mp)->m_resv.tr_writeid.tr_logres)
115 #define XFS_ADDAFORK_LOG_RES(mp) ((mp)->m_resv.tr_addafork.tr_logres)
116 #define XFS_ATTRSETM_LOG_RES(mp) ((mp)->m_resv.tr_attrsetm.tr_logres)
117 #define XFS_ATTRINVAL_LOG_RES(mp) ((mp)->m_resv.tr_attrinval.tr_logres)
118 #define XFS_ATTRSETRT_LOG_RES(mp) ((mp)->m_resv.tr_attrsetrt.tr_logres)
119 #define XFS_ATTRRM_LOG_RES(mp) ((mp)->m_resv.tr_attrrm.tr_logres)
120 #define XFS_SB_LOG_RES(mp) ((mp)->m_resv.tr_sb.tr_logres)
121 #define XFS_QM_SETQLIM_LOG_RES(mp) ((mp)->m_resv.tr_qm_setqlim.tr_logres)
122 #define XFS_QM_DQALLOC_LOG_RES(mp) ((mp)->m_resv.tr_qm_dqalloc.tr_logres)
123 #define XFS_QM_SBCHANGE_LOG_RES(mp) ((mp)->m_resv.tr_qm_sbchange.tr_logres)
124 #define XFS_QM_QUOTAOFF_LOG_RES(mp) ((mp)->m_resv.tr_qm_quotaoff.tr_logres)
125 #define XFS_QM_QUOTAOFF_END_LOG_RES(mp) ((mp)->m_resv.tr_qm_equotaoff.tr_logres)
126 #define XFS_CLEAR_AGI_BUCKET_LOG_RES(mp) ((mp)->m_resv.tr_clearagi.tr_logres)
129 * Various log count values.
131 #define XFS_DEFAULT_LOG_COUNT 1
132 #define XFS_DEFAULT_PERM_LOG_COUNT 2
133 #define XFS_ITRUNCATE_LOG_COUNT 2
134 #define XFS_INACTIVE_LOG_COUNT 2
135 #define XFS_CREATE_LOG_COUNT 2
136 #define XFS_MKDIR_LOG_COUNT 3
137 #define XFS_SYMLINK_LOG_COUNT 3
138 #define XFS_REMOVE_LOG_COUNT 2
139 #define XFS_LINK_LOG_COUNT 2
140 #define XFS_RENAME_LOG_COUNT 2
141 #define XFS_WRITE_LOG_COUNT 2
142 #define XFS_ADDAFORK_LOG_COUNT 2
143 #define XFS_ATTRINVAL_LOG_COUNT 1
144 #define XFS_ATTRSET_LOG_COUNT 3
145 #define XFS_ATTRRM_LOG_COUNT 3
147 void xfs_trans_resv_calc(struct xfs_mount *mp, struct xfs_trans_resv *resp);
149 #endif /* __XFS_TRANS_RESV_H__ */