112  * table used for determining buddy sizes within characters of
115  * binary buddy of free bits within the character.
356 	/* block to be freed better be within the mapsize. */  in dbFree()
452 	/* the blocks better be within the mapsize. */  in dbUpdatePMap()
487 		/* determine the bit number and word within the dmap of  in dbUpdatePMap()
489 		 * are to be updated within this dmap.  in dbUpdatePMap()
504 			/* determine the bit number within the word and  in dbUpdatePMap()
505 			 * the number of bits within the word.  in dbUpdatePMap()
598  *		Within the allocation groups, we maintain a preferred
628 	/* determine the average number of free blocks within the ags. */  in dbNextAG()
690  *		allocate within the same dmap as contains the hint.
694  *		within the same allocation group as contains the hint. if
696  *		within the aggregate.
698  *		we also try to allocate anywhere within the aggregate
739 	/* the hint should be within the map */  in dbAlloc()
774 	 * if so, check if we should allow allocations within this  in dbAlloc()
841 		/* try to satisfy the allocation request with blocks within  in dbAlloc()
857 	/* try to satisfy the allocation request with blocks within  in dbAlloc()
874 	/* Try to allocate within this allocation group.  if that fails, try to  in dbAlloc()
909  *	nblocks	    -  number of contiguous blocks within the current
963  *	nblocks	    -  number of contiguous blocks within the current
1000 	/* better be within the file system */  in dbExtend()
1056  *		range within a dmap.
1088 	/* determine the bit number and word within the dmap of the  in dbAllocNext()
1094 	/* check if the specified block range is contained within  in dbAllocNext()
1108 	 * last words may be contained within the block range.  if this  in dbAllocNext()
1112 	 * will be used for all dmap words fully contained within the  in dbAllocNext()
1113 	 * specified range.  within this pass, the leaves of the dmap  in dbAllocNext()
1120 		/* determine the bit number within the word and  in dbAllocNext()
1121 		 * the number of bits within the word.  in dbAllocNext()
1138 			 * within the block range.  determine how many  in dbAllocNext()
1179  *		a specified block (hint) within a dmap.
1216 	/* determine the word within the dmap that holds the hint  in dbAllocNear()
1231 		/* determine the block number within the file system  in dbAllocNear()
1237 		 * starting bit number within the dmap word of the required  in dbAllocNear()
1261  *		free blocks within the specified allocation group.
1270  *		in addition, we start the search within this level at a
1293  *		control pages to indicate no free space (NOFREE) within
1386 	 * tree index of this allocation group within the control page.  in dbAllocAG()
1393 	 * group may be described by 1 or 2 subtrees within the ag level  in dbAllocAG()
1423 		/* determine the block number within the file system  in dbAllocAG()
1656  *		returns the starting block number within a dmap page that
1665  *		   on successful return, the first block within a dmap page
1706 		/* search the tree within the dmap control page for  in dbFindCtl()
1728 		/* adjust the block number to reflect the location within  in dbFindCtl()
1752  *		blocks starting within a specific dmap.
1757  *		routines are the starting block numbers within dmaps, with
1771  *		for a request size that fits within a dmap, this routine relies
1957 	/* search the tree within the dmap page for sufficient  in dbAllocDmapLev()
1967 	/* determine the block number within the file system corresponding  in dbAllocDmapLev()
1973 	 * bit number within the dmap word of the required string of free  in dbAllocDmapLev()
1991  *		of a specified block range within a dmap.
1995  *		block range causes the maximum string of free blocks within
2047  *		of a specified block range within a dmap.
2051  *		causes the maximum string of free blocks within the dmap to
2142 	/* determine the bit number and word within the dmap of the  in dbAllocBits()
2148 	/* block range better be within the dmap */  in dbAllocBits()
2153 	 * within the block range.  if this is the case, we'll work against  in dbAllocBits()
2157 	 * will be used for all dmap words fully contained within the  in dbAllocBits()
2158 	 * specified range.  within this pass, the bits of all fully contained  in dbAllocBits()
2165 		/* determine the bit number within the word and  in dbAllocBits()
2166 		 * the number of bits within the word.  in dbAllocBits()
2174 			/* allocate (set to 1) the appropriate bits within  in dbAllocBits()
2191 			 * within the block range.  determine how many  in dbAllocBits()
2286 	/* determine the bit number and word within the dmap of the  in dbFreeBits()
2292 	/* block range better be within the dmap.  in dbFreeBits()
2297 	 * not all bits of the first and last words may be contained within  in dbFreeBits()
2302 	 * for all dmap words fully contained within the specified range.  in dbFreeBits()
2303 	 * within this pass, the bits of all fully contained dmap words will  in dbFreeBits()
2314 		/* determine the bit number within the word and  in dbFreeBits()
2315 		 * the number of bits within the word.  in dbFreeBits()
2323 			/* free (zero) the appropriate bits within this  in dbFreeBits()
2340 			 * within the block range.  determine how many  in dbFreeBits()
2435  *		causing a binary buddy system within the leaves to be
2446  *	blkno	-  the first block of a block range within a dmap.  it is
2487 	 * the index within the dmap control tree.  in dbAdjCtl()
2503 	 * the leaves, if required, and bubble new values within the  in dbAdjCtl()
2671  *		within an allocation group which is a part (not first part)
2992  * FUNCTION:	find a specified number of binary buddy free bits within a
2996  *		bits at (1 << l2nb) alignments within the value.
3040  *		bits within 32-bits of the map.
3046  *	largest binary buddy of free bits within a dmap word.
3076  * FUNCTION:	determine the number of trailing zeros within a 32-bit
3101  * FUNCTION:	determine the number of leading zeros within a 32-bit
3194 	/* block to be allocated better be within the mapsize. */  in dbAllocBottomUp()
3251 	/* determine the bit number and word within the dmap of the  in dbAllocDmapBU()
3257 	/* block range better be within the dmap */  in dbAllocDmapBU()
3262 	 * within the block range.  if this is the case, we'll work against  in dbAllocDmapBU()
3266 	 * will be used for all dmap words fully contained within the  in dbAllocDmapBU()
3267 	 * specified range.  within this pass, the bits of all fully contained  in dbAllocDmapBU()
3274 		/* determine the bit number within the word and  in dbAllocDmapBU()
3275 		 * the number of bits within the word.  in dbAllocDmapBU()
3283 			/* allocate (set to 1) the appropriate bits within  in dbAllocDmapBU()
3292 			 * within the block range.  determine how many  in dbAllocDmapBU()
3663 	 * within the active ags.  in dbFinalizeBmap()
3726 	/* starting block number within the dmap */  in dbInitDmap()
3749 	 * within the block range.  in dbInitDmap()