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										 |  |  | /*
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										 |  |  |  * Copyright (c) 2000,2005 Silicon Graphics, Inc. | 
					
						
							|  |  |  |  * All Rights Reserved. | 
					
						
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										 |  |  |  * | 
					
						
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										 |  |  |  * This program is free software; you can redistribute it and/or | 
					
						
							|  |  |  |  * 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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										 |  |  |  * 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. | 
					
						
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										 |  |  |  * | 
					
						
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										 |  |  |  * 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 | 
					
						
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										 |  |  |  */ | 
					
						
							|  |  |  | #ifndef __XFS_TRANS_SPACE_H__
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							|  |  |  | #define __XFS_TRANS_SPACE_H__
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							|  |  |  | /*
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							|  |  |  |  * Components of space reservations. | 
					
						
							|  |  |  |  */ | 
					
						
							|  |  |  | #define XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp)    \
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							|  |  |  | 		(((mp)->m_alloc_mxr[0]) - ((mp)->m_alloc_mnr[0])) | 
					
						
							|  |  |  | #define	XFS_EXTENTADD_SPACE_RES(mp,w)	(XFS_BM_MAXLEVELS(mp,w) - 1)
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							|  |  |  | #define XFS_NEXTENTADD_SPACE_RES(mp,b,w)\
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							|  |  |  | 	(((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)
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							|  |  |  | #define	XFS_DAENTER_DBS(mp,w)	\
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										 |  |  | 	(XFS_DA_NODE_MAXDEPTH + (((w) == XFS_DATA_FORK) ? 2 : 0)) | 
					
						
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										 |  |  | #define	XFS_DAENTER_BLOCKS(mp,w)	\
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							|  |  |  | 	(XFS_DAENTER_1B(mp,w) * XFS_DAENTER_DBS(mp,w)) | 
					
						
							|  |  |  | #define	XFS_DAENTER_BMAP1B(mp,w)	\
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							|  |  |  | 	XFS_NEXTENTADD_SPACE_RES(mp, XFS_DAENTER_1B(mp, w), w) | 
					
						
							|  |  |  | #define	XFS_DAENTER_BMAPS(mp,w)		\
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							|  |  |  | 	(XFS_DAENTER_DBS(mp,w) * XFS_DAENTER_BMAP1B(mp,w)) | 
					
						
							|  |  |  | #define	XFS_DAENTER_SPACE_RES(mp,w)	\
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							|  |  |  | 	(XFS_DAENTER_BLOCKS(mp,w) + XFS_DAENTER_BMAPS(mp,w)) | 
					
						
							|  |  |  | #define	XFS_DAREMOVE_SPACE_RES(mp,w)	XFS_DAENTER_BMAPS(mp,w)
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										 |  |  | #define	XFS_DIRENTER_MAX_SPLIT(mp,nl)	1
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										 |  |  | #define	XFS_DIRENTER_SPACE_RES(mp,nl)	\
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							|  |  |  | 	(XFS_DAENTER_SPACE_RES(mp, XFS_DATA_FORK) * \ | 
					
						
							|  |  |  | 	 XFS_DIRENTER_MAX_SPLIT(mp,nl)) | 
					
						
							|  |  |  | #define	XFS_DIRREMOVE_SPACE_RES(mp)	\
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							|  |  |  | 	XFS_DAREMOVE_SPACE_RES(mp, XFS_DATA_FORK) | 
					
						
							|  |  |  | #define	XFS_IALLOC_SPACE_RES(mp)	\
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										 |  |  | 	(XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels - 1) | 
					
						
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							|  |  |  | /*
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							|  |  |  |  * Space reservation values for various transactions. | 
					
						
							|  |  |  |  */ | 
					
						
							|  |  |  | #define	XFS_ADDAFORK_SPACE_RES(mp)	\
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										 |  |  | 	((mp)->m_dirblkfsbs + XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK)) | 
					
						
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										 |  |  | #define	XFS_ATTRRM_SPACE_RES(mp)	\
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							|  |  |  | 	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)	\
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							|  |  |  | 	(XFS_DAENTER_SPACE_RES(mp, XFS_ATTR_FORK) + XFS_B_TO_FSB(mp, v)) | 
					
						
							|  |  |  | #define	XFS_CREATE_SPACE_RES(mp,nl)	\
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							|  |  |  | 	(XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl)) | 
					
						
							|  |  |  | #define	XFS_DIOSTRAT_SPACE_RES(mp, v)	\
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							|  |  |  | 	(XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK) + (v)) | 
					
						
							|  |  |  | #define	XFS_GROWFS_SPACE_RES(mp)	\
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							|  |  |  | 	(2 * XFS_AG_MAXLEVELS(mp)) | 
					
						
							|  |  |  | #define	XFS_GROWFSRT_SPACE_RES(mp,b)	\
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							|  |  |  | 	((b) + XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK)) | 
					
						
							|  |  |  | #define	XFS_LINK_SPACE_RES(mp,nl)	\
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							|  |  |  | 	XFS_DIRENTER_SPACE_RES(mp,nl) | 
					
						
							|  |  |  | #define	XFS_MKDIR_SPACE_RES(mp,nl)	\
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							|  |  |  | 	(XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl)) | 
					
						
							|  |  |  | #define	XFS_QM_DQALLOC_SPACE_RES(mp)	\
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							|  |  |  | 	(XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK) + \ | 
					
						
							|  |  |  | 	 XFS_DQUOT_CLUSTER_SIZE_FSB) | 
					
						
							|  |  |  | #define	XFS_QM_QINOCREATE_SPACE_RES(mp)	\
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							|  |  |  | 	XFS_IALLOC_SPACE_RES(mp) | 
					
						
							|  |  |  | #define	XFS_REMOVE_SPACE_RES(mp)	\
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							|  |  |  | 	XFS_DIRREMOVE_SPACE_RES(mp) | 
					
						
							|  |  |  | #define	XFS_RENAME_SPACE_RES(mp,nl)	\
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							|  |  |  | 	(XFS_DIRREMOVE_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl)) | 
					
						
							|  |  |  | #define	XFS_SYMLINK_SPACE_RES(mp,nl,b)	\
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							|  |  |  | 	(XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl) + (b)) | 
					
						
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							|  |  |  | #endif	/* __XFS_TRANS_SPACE_H__ */
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