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138 lines
5.8 KiB
C
138 lines
5.8 KiB
C
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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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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it would be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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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_resv {
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uint tr_write; /* extent alloc trans */
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uint tr_itruncate; /* truncate trans */
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uint tr_rename; /* rename trans */
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uint tr_link; /* link trans */
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uint tr_remove; /* unlink trans */
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uint tr_symlink; /* symlink trans */
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uint tr_create; /* create trans */
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uint tr_mkdir; /* mkdir trans */
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uint tr_ifree; /* inode free trans */
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uint tr_ichange; /* inode update trans */
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uint tr_growdata; /* fs data section grow trans */
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uint tr_swrite; /* sync write inode trans */
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uint tr_addafork; /* cvt inode to attributed trans */
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uint tr_writeid; /* write setuid/setgid file */
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uint tr_attrinval; /* attr fork buffer invalidation */
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uint tr_attrsetm; /* set/create an attribute at mount time */
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uint tr_attrsetrt; /* set/create an attribute at runtime */
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uint tr_attrrm; /* remove an attribute */
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uint tr_clearagi; /* clear bad agi unlinked ino bucket */
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uint tr_growrtalloc; /* grow realtime allocations */
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uint tr_growrtzero; /* grow realtime zeroing */
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uint tr_growrtfree; /* grow realtime freeing */
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uint tr_qm_sbchange; /* change quota flags */
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uint tr_qm_setqlim; /* adjust quota limits */
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uint tr_qm_dqalloc; /* allocate quota on disk */
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uint tr_qm_quotaoff; /* turn quota off */
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uint tr_qm_equotaoff;/* end of turn quota off */
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uint tr_sb; /* modify superblock */
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};
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/*
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* Per-extent log reservation for the allocation btree changes
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* involved in freeing or allocating an extent.
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* 2 trees * (2 blocks/level * max depth - 1) * block size
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*/
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#define XFS_ALLOCFREE_LOG_RES(mp,nx) \
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((nx) * (2 * XFS_FSB_TO_B((mp), 2 * XFS_AG_MAXLEVELS(mp) - 1)))
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#define XFS_ALLOCFREE_LOG_COUNT(mp,nx) \
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((nx) * (2 * (2 * XFS_AG_MAXLEVELS(mp) - 1)))
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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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#define XFS_WRITE_LOG_RES(mp) ((mp)->m_reservations.tr_write)
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#define XFS_ITRUNCATE_LOG_RES(mp) ((mp)->m_reservations.tr_itruncate)
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#define XFS_RENAME_LOG_RES(mp) ((mp)->m_reservations.tr_rename)
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#define XFS_LINK_LOG_RES(mp) ((mp)->m_reservations.tr_link)
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#define XFS_REMOVE_LOG_RES(mp) ((mp)->m_reservations.tr_remove)
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#define XFS_SYMLINK_LOG_RES(mp) ((mp)->m_reservations.tr_symlink)
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#define XFS_CREATE_LOG_RES(mp) ((mp)->m_reservations.tr_create)
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#define XFS_MKDIR_LOG_RES(mp) ((mp)->m_reservations.tr_mkdir)
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#define XFS_IFREE_LOG_RES(mp) ((mp)->m_reservations.tr_ifree)
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#define XFS_ICHANGE_LOG_RES(mp) ((mp)->m_reservations.tr_ichange)
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#define XFS_GROWDATA_LOG_RES(mp) ((mp)->m_reservations.tr_growdata)
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#define XFS_GROWRTALLOC_LOG_RES(mp) ((mp)->m_reservations.tr_growrtalloc)
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#define XFS_GROWRTZERO_LOG_RES(mp) ((mp)->m_reservations.tr_growrtzero)
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#define XFS_GROWRTFREE_LOG_RES(mp) ((mp)->m_reservations.tr_growrtfree)
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#define XFS_SWRITE_LOG_RES(mp) ((mp)->m_reservations.tr_swrite)
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/*
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* Logging the inode timestamps on an fsync -- same as SWRITE
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* as long as SWRITE logs the entire inode core
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*/
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#define XFS_FSYNC_TS_LOG_RES(mp) ((mp)->m_reservations.tr_swrite)
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#define XFS_WRITEID_LOG_RES(mp) ((mp)->m_reservations.tr_swrite)
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#define XFS_ADDAFORK_LOG_RES(mp) ((mp)->m_reservations.tr_addafork)
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#define XFS_ATTRINVAL_LOG_RES(mp) ((mp)->m_reservations.tr_attrinval)
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#define XFS_ATTRSETM_LOG_RES(mp) ((mp)->m_reservations.tr_attrsetm)
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#define XFS_ATTRSETRT_LOG_RES(mp) ((mp)->m_reservations.tr_attrsetrt)
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#define XFS_ATTRRM_LOG_RES(mp) ((mp)->m_reservations.tr_attrrm)
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#define XFS_CLEAR_AGI_BUCKET_LOG_RES(mp) ((mp)->m_reservations.tr_clearagi)
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#define XFS_QM_SBCHANGE_LOG_RES(mp) ((mp)->m_reservations.tr_qm_sbchange)
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#define XFS_QM_SETQLIM_LOG_RES(mp) ((mp)->m_reservations.tr_qm_setqlim)
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#define XFS_QM_DQALLOC_LOG_RES(mp) ((mp)->m_reservations.tr_qm_dqalloc)
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#define XFS_QM_QUOTAOFF_LOG_RES(mp) ((mp)->m_reservations.tr_qm_quotaoff)
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#define XFS_QM_QUOTAOFF_END_LOG_RES(mp) ((mp)->m_reservations.tr_qm_equotaoff)
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#define XFS_SB_LOG_RES(mp) ((mp)->m_reservations.tr_sb)
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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_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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void xfs_trans_resv_calc(struct xfs_mount *mp, struct xfs_trans_resv *resp);
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#endif /* __XFS_TRANS_RESV_H__ */
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