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__ */ 98