106 lines · c
1// SPDX-License-Identifier: GPL-2.02/*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 indicating18 * 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 buffer37 * invalidation */38 struct xfs_trans_res tr_attrsetm; /* set/create an attribute at39 * mount time */40 struct xfs_trans_res tr_attrsetrt; /* set/create an attribute at41 * 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 size59 * bmap btree: (levels + 2) * max depth * block size60 * v2 directory blocks can be fragmented below the dirblksize down to the fsb61 * 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 174#define XFS_DEFAULT_PERM_LOG_COUNT 275#define XFS_ITRUNCATE_LOG_COUNT 276#define XFS_INACTIVE_LOG_COUNT 277#define XFS_CREATE_LOG_COUNT 278#define XFS_CREATE_TMPFILE_LOG_COUNT 279#define XFS_MKDIR_LOG_COUNT 380#define XFS_SYMLINK_LOG_COUNT 381#define XFS_REMOVE_LOG_COUNT 282#define XFS_LINK_LOG_COUNT 283#define XFS_RENAME_LOG_COUNT 284#define XFS_WRITE_LOG_COUNT 285#define XFS_ADDAFORK_LOG_COUNT 286#define XFS_ATTRINVAL_LOG_COUNT 187#define XFS_ATTRSET_LOG_COUNT 388#define XFS_ATTRRM_LOG_COUNT 389 90/*91 * Original log operation counts were overestimated in the early days of92 * reflink. These are retained here purely for minimum log size calculations93 * and must not be used for runtime reservations.94 */95#define XFS_ITRUNCATE_LOG_COUNT_REFLINK 896#define XFS_WRITE_LOG_COUNT_REFLINK 897 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__ */106