// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2000,2005 Silicon Graphics, Inc. * All Rights Reserved. */ #ifndef __XFS_TRANS_SPACE_H__ #define __XFS_TRANS_SPACE_H__ /* * Components of space reservations. */ /* Worst case number of bmaps that can be held in a block. */ #define XFS_MAX_CONTIG_BMAPS_PER_BLOCK(mp) … /* Worst case number of rmaps that can be held in a block. */ #define XFS_MAX_CONTIG_RMAPS_PER_BLOCK(mp) … /* Adding one rmap could split every level up to the top of the tree. */ #define XFS_RMAPADD_SPACE_RES(mp) … /* * Note that we historically set m_rmap_maxlevels to 9 when reflink is enabled, * so we must preserve this behavior to avoid changing the transaction space * reservations and minimum log size calculations for existing filesystems. */ #define XFS_OLD_REFLINK_RMAP_MAXLEVELS … /* Blocks we might need to add "b" rmaps to a tree. */ #define XFS_NRMAPADD_SPACE_RES(mp, b) … #define XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp) … #define XFS_EXTENTADD_SPACE_RES(mp,w) … #define XFS_NEXTENTADD_SPACE_RES(mp,b,w) … /* Blocks we might need to add "b" mappings & rmappings to a file. */ #define XFS_SWAP_RMAP_SPACE_RES(mp,b,w) … #define XFS_DAENTER_1B(mp,w) … #define XFS_DAENTER_DBS(mp,w) … #define XFS_DAENTER_BLOCKS(mp,w) … #define XFS_DAENTER_BMAP1B(mp,w) … #define XFS_DAENTER_BMAPS(mp,w) … #define XFS_DAENTER_SPACE_RES(mp,w) … #define XFS_DAREMOVE_SPACE_RES(mp,w) … #define XFS_DIRENTER_MAX_SPLIT(mp,nl) … #define XFS_DIRENTER_SPACE_RES(mp,nl) … #define XFS_DIRREMOVE_SPACE_RES(mp) … #define XFS_IALLOC_SPACE_RES(mp) … /* * Space reservation values for various transactions. */ #define XFS_ADDAFORK_SPACE_RES(mp) … #define XFS_ATTRRM_SPACE_RES(mp) … /* This macro is not used - see inline code in xfs_attr_set */ #define XFS_ATTRSET_SPACE_RES(mp, v) … #define XFS_DIOSTRAT_SPACE_RES(mp, v) … #define XFS_GROWFS_SPACE_RES(mp) … #define XFS_GROWFSRT_SPACE_RES(mp,b) … #define XFS_QM_DQALLOC_SPACE_RES(mp) … #define XFS_QM_QINOCREATE_SPACE_RES(mp) … #define XFS_IFREE_SPACE_RES(mp) … unsigned int xfs_parent_calc_space_res(struct xfs_mount *mp, unsigned int namelen); unsigned int xfs_create_space_res(struct xfs_mount *mp, unsigned int namelen); unsigned int xfs_mkdir_space_res(struct xfs_mount *mp, unsigned int namelen); unsigned int xfs_link_space_res(struct xfs_mount *mp, unsigned int namelen); unsigned int xfs_symlink_space_res(struct xfs_mount *mp, unsigned int namelen, unsigned int fsblocks); unsigned int xfs_remove_space_res(struct xfs_mount *mp, unsigned int namelen); unsigned int xfs_rename_space_res(struct xfs_mount *mp, unsigned int src_namelen, bool target_exists, unsigned int target_namelen, bool has_whiteout); #endif /* __XFS_TRANS_SPACE_H__ */
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