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105 lines
4.1 KiB
105 lines
4.1 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* Copyright (c) 2000-2002,2005 Silicon Graphics, Inc. |
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* All Rights Reserved. |
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*/ |
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#ifndef __XFS_TRANS_RESV_H__ |
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#define __XFS_TRANS_RESV_H__ |
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struct xfs_mount; |
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/* |
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* structure for maintaining pre-calculated transaction reservations. |
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*/ |
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struct xfs_trans_res { |
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uint tr_logres; /* log space unit in bytes per log ticket */ |
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int tr_logcount; /* number of log operations per log ticket */ |
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int tr_logflags; /* log flags, currently only used for indicating |
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* a reservation request is permanent or not */ |
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}; |
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struct xfs_trans_resv { |
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struct xfs_trans_res tr_write; /* extent alloc trans */ |
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struct xfs_trans_res tr_itruncate; /* truncate trans */ |
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struct xfs_trans_res tr_rename; /* rename trans */ |
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struct xfs_trans_res tr_link; /* link trans */ |
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struct xfs_trans_res tr_remove; /* unlink trans */ |
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struct xfs_trans_res tr_symlink; /* symlink trans */ |
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struct xfs_trans_res tr_create; /* create trans */ |
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struct xfs_trans_res tr_create_tmpfile; /* create O_TMPFILE trans */ |
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struct xfs_trans_res tr_mkdir; /* mkdir trans */ |
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struct xfs_trans_res tr_ifree; /* inode free trans */ |
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struct xfs_trans_res tr_ichange; /* inode update trans */ |
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struct xfs_trans_res tr_growdata; /* fs data section grow trans */ |
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struct xfs_trans_res tr_addafork; /* add inode attr fork trans */ |
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struct xfs_trans_res tr_writeid; /* write setuid/setgid file */ |
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struct xfs_trans_res tr_attrinval; /* attr fork buffer |
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* invalidation */ |
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struct xfs_trans_res tr_attrsetm; /* set/create an attribute at |
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* mount time */ |
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struct xfs_trans_res tr_attrsetrt; /* set/create an attribute at |
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* runtime */ |
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struct xfs_trans_res tr_attrrm; /* remove an attribute */ |
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struct xfs_trans_res tr_clearagi; /* clear agi unlinked bucket */ |
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struct xfs_trans_res tr_growrtalloc; /* grow realtime allocations */ |
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struct xfs_trans_res tr_growrtzero; /* grow realtime zeroing */ |
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struct xfs_trans_res tr_growrtfree; /* grow realtime freeing */ |
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struct xfs_trans_res tr_qm_setqlim; /* adjust quota limits */ |
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struct xfs_trans_res tr_qm_dqalloc; /* allocate quota on disk */ |
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struct xfs_trans_res tr_sb; /* modify superblock */ |
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struct xfs_trans_res tr_fsyncts; /* update timestamps on fsync */ |
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}; |
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/* shorthand way of accessing reservation structure */ |
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#define M_RES(mp) (&(mp)->m_resv) |
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/* |
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* Per-directory log reservation for any directory change. |
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* dir blocks: (1 btree block per level + data block + free block) * dblock size |
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* bmap btree: (levels + 2) * max depth * block size |
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* v2 directory blocks can be fragmented below the dirblksize down to the fsb |
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* size, so account for that in the DAENTER macros. |
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*/ |
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#define XFS_DIROP_LOG_RES(mp) \ |
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(XFS_FSB_TO_B(mp, XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK)) + \ |
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(XFS_FSB_TO_B(mp, XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1))) |
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#define XFS_DIROP_LOG_COUNT(mp) \ |
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(XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK) + \ |
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XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1) |
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/* |
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* Various log count values. |
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*/ |
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#define XFS_DEFAULT_LOG_COUNT 1 |
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#define XFS_DEFAULT_PERM_LOG_COUNT 2 |
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#define XFS_ITRUNCATE_LOG_COUNT 2 |
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#define XFS_INACTIVE_LOG_COUNT 2 |
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#define XFS_CREATE_LOG_COUNT 2 |
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#define XFS_CREATE_TMPFILE_LOG_COUNT 2 |
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#define XFS_MKDIR_LOG_COUNT 3 |
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#define XFS_SYMLINK_LOG_COUNT 3 |
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#define XFS_REMOVE_LOG_COUNT 2 |
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#define XFS_LINK_LOG_COUNT 2 |
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#define XFS_RENAME_LOG_COUNT 2 |
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#define XFS_WRITE_LOG_COUNT 2 |
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#define XFS_ADDAFORK_LOG_COUNT 2 |
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#define XFS_ATTRINVAL_LOG_COUNT 1 |
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#define XFS_ATTRSET_LOG_COUNT 3 |
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#define XFS_ATTRRM_LOG_COUNT 3 |
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/* |
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* Original log operation counts were overestimated in the early days of |
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* reflink. These are retained here purely for minimum log size calculations |
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* and must not be used for runtime reservations. |
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*/ |
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#define XFS_ITRUNCATE_LOG_COUNT_REFLINK 8 |
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#define XFS_WRITE_LOG_COUNT_REFLINK 8 |
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void xfs_trans_resv_calc(struct xfs_mount *mp, struct xfs_trans_resv *resp); |
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uint xfs_allocfree_block_count(struct xfs_mount *mp, uint num_ops); |
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unsigned int xfs_calc_itruncate_reservation_minlogsize(struct xfs_mount *mp); |
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unsigned int xfs_calc_write_reservation_minlogsize(struct xfs_mount *mp); |
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unsigned int xfs_calc_qm_dqalloc_reservation_minlogsize(struct xfs_mount *mp); |
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#endif /* __XFS_TRANS_RESV_H__ */
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