mirror of
https://github.com/torvalds/linux.git
synced 2024-12-27 13:22:23 +00:00
7b71876980
boilerplate. SGI-PV: 913862 SGI-Modid: xfs-linux:xfs-kern:23903a Signed-off-by: Nathan Scott <nathans@sgi.com>
92 lines
3.6 KiB
C
92 lines
3.6 KiB
C
/*
|
|
* Copyright (c) 2000,2005 Silicon Graphics, Inc.
|
|
* All Rights Reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it would be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
#ifndef __XFS_TRANS_SPACE_H__
|
|
#define __XFS_TRANS_SPACE_H__
|
|
|
|
/*
|
|
* Components of space reservations.
|
|
*/
|
|
#define XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp) \
|
|
(((mp)->m_alloc_mxr[0]) - ((mp)->m_alloc_mnr[0]))
|
|
#define XFS_EXTENTADD_SPACE_RES(mp,w) (XFS_BM_MAXLEVELS(mp,w) - 1)
|
|
#define XFS_NEXTENTADD_SPACE_RES(mp,b,w)\
|
|
(((b + XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp) - 1) / \
|
|
XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp)) * \
|
|
XFS_EXTENTADD_SPACE_RES(mp,w))
|
|
#define XFS_DAENTER_1B(mp,w) ((w) == XFS_DATA_FORK ? (mp)->m_dirblkfsbs : 1)
|
|
#define XFS_DAENTER_DBS(mp,w) \
|
|
(XFS_DA_NODE_MAXDEPTH + \
|
|
((XFS_DIR_IS_V2(mp) && (w) == XFS_DATA_FORK) ? 2 : 0))
|
|
#define XFS_DAENTER_BLOCKS(mp,w) \
|
|
(XFS_DAENTER_1B(mp,w) * XFS_DAENTER_DBS(mp,w))
|
|
#define XFS_DAENTER_BMAP1B(mp,w) \
|
|
XFS_NEXTENTADD_SPACE_RES(mp, XFS_DAENTER_1B(mp, w), w)
|
|
#define XFS_DAENTER_BMAPS(mp,w) \
|
|
(XFS_DAENTER_DBS(mp,w) * XFS_DAENTER_BMAP1B(mp,w))
|
|
#define XFS_DAENTER_SPACE_RES(mp,w) \
|
|
(XFS_DAENTER_BLOCKS(mp,w) + XFS_DAENTER_BMAPS(mp,w))
|
|
#define XFS_DAREMOVE_SPACE_RES(mp,w) XFS_DAENTER_BMAPS(mp,w)
|
|
#define XFS_DIRENTER_MAX_SPLIT(mp,nl) \
|
|
(((mp)->m_sb.sb_blocksize == 512 && \
|
|
XFS_DIR_IS_V1(mp) && \
|
|
(nl) >= XFS_DIR_LEAF_CAN_DOUBLE_SPLIT_LEN) ? 2 : 1)
|
|
#define XFS_DIRENTER_SPACE_RES(mp,nl) \
|
|
(XFS_DAENTER_SPACE_RES(mp, XFS_DATA_FORK) * \
|
|
XFS_DIRENTER_MAX_SPLIT(mp,nl))
|
|
#define XFS_DIRREMOVE_SPACE_RES(mp) \
|
|
XFS_DAREMOVE_SPACE_RES(mp, XFS_DATA_FORK)
|
|
#define XFS_IALLOC_SPACE_RES(mp) \
|
|
(XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp)-1)
|
|
|
|
/*
|
|
* Space reservation values for various transactions.
|
|
*/
|
|
#define XFS_ADDAFORK_SPACE_RES(mp) \
|
|
((mp)->m_dirblkfsbs + \
|
|
(XFS_DIR_IS_V1(mp) ? 0 : XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK)))
|
|
#define XFS_ATTRRM_SPACE_RES(mp) \
|
|
XFS_DAREMOVE_SPACE_RES(mp, XFS_ATTR_FORK)
|
|
/* This macro is not used - see inline code in xfs_attr_set */
|
|
#define XFS_ATTRSET_SPACE_RES(mp, v) \
|
|
(XFS_DAENTER_SPACE_RES(mp, XFS_ATTR_FORK) + XFS_B_TO_FSB(mp, v))
|
|
#define XFS_CREATE_SPACE_RES(mp,nl) \
|
|
(XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl))
|
|
#define XFS_DIOSTRAT_SPACE_RES(mp, v) \
|
|
(XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK) + (v))
|
|
#define XFS_GROWFS_SPACE_RES(mp) \
|
|
(2 * XFS_AG_MAXLEVELS(mp))
|
|
#define XFS_GROWFSRT_SPACE_RES(mp,b) \
|
|
((b) + XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK))
|
|
#define XFS_LINK_SPACE_RES(mp,nl) \
|
|
XFS_DIRENTER_SPACE_RES(mp,nl)
|
|
#define XFS_MKDIR_SPACE_RES(mp,nl) \
|
|
(XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl))
|
|
#define XFS_QM_DQALLOC_SPACE_RES(mp) \
|
|
(XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK) + \
|
|
XFS_DQUOT_CLUSTER_SIZE_FSB)
|
|
#define XFS_QM_QINOCREATE_SPACE_RES(mp) \
|
|
XFS_IALLOC_SPACE_RES(mp)
|
|
#define XFS_REMOVE_SPACE_RES(mp) \
|
|
XFS_DIRREMOVE_SPACE_RES(mp)
|
|
#define XFS_RENAME_SPACE_RES(mp,nl) \
|
|
(XFS_DIRREMOVE_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl))
|
|
#define XFS_SYMLINK_SPACE_RES(mp,nl,b) \
|
|
(XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl) + (b))
|
|
|
|
#endif /* __XFS_TRANS_SPACE_H__ */
|