fs/jfs/jfs_dmap.c

441  *	nblocks	- number of contiguous blocks in the range.
690  * FUNCTION:	attempt to allocate a specified number of contiguous free
716  *	nblocks	- number of contiguous blocks in the range.
718  *		  of the newly allocated contiguous range.
913  *		allocate a new set of contiguous blocks large enough
920  *	nblocks	    -  number of contiguous blocks within the current
925  *		       was extended in place or to a newly allocated contiguous
952 	 * a range of contiguous blocks large enough to cover the  in dbReAlloc()
974  *	nblocks	    -  number of contiguous blocks within the current
1073  *	nblocks	-  number of contiguous free blocks of the range.
1189  * FUNCTION:	attempt to allocate a number of contiguous free blocks near
1193  *		check the next four contiguous leaves for sufficient free
1201  *	nblocks	-  actual number of contiguous free blocks desired.
1202  *	l2nb	-  log2 number of contiguous free blocks desired.
1271  * FUNCTION:	attempt to allocate the specified number of contiguous
1310  *	nblocks	-  actual number of contiguous free blocks desired.
1311  *	l2nb	-  log2 number of contiguous free blocks desired.
1498  * FUNCTION:	attempt to allocate the specified number of contiguous
1509  *	nblocks	 -  actual number of contiguous free blocks desired.
1510  *	l2nb	 -  log2 number of contiguous free blocks desired.
1571  *	minlen	- minimum value of contiguous blocks
1661  *		contiguous free blocks large enough to satisfy an allocation
1664  *		if sufficient contiguous free blocks are found, this routine
1672  *	l2nb	-  log2 number of contiguous free blocks desired.
1675  *		   that contains or starts a range of contiguous free blocks.
1760  * FUNCTION:	attempt to allocate a specified number of contiguous
1764  *		the dmap control pages above the actual dmaps for contiguous
1767  *		the dmaps themselves containing the desired contiguous free
1768  *		space or starting a contiguous free space of desired size
1781  *		upon the dmap's dmtree to find the requested contiguous free
1788  *	nblocks	 -  actual number of contiguous free blocks to allocate.
1789  *	l2nb	 -  log2 number of contiguous free blocks to allocate.
1930  * FUNCTION:	attempt to allocate a specified number of contiguous blocks
1933  *		this routine checks if the contiguous blocks are available.
1940  *	l2nb	-  log2 number of contiguous block desired.
1941  *	nblocks	-  actual number of contiguous block desired.
3406 	 * coalesce contiguous k (newAGSize/oldAGSize) AGs;  in dbExtendFS()
3417 		/* coalesce contiguous k AGs; */  in dbExtendFS()
3768 			/* free (set to 0) contiguous bitmap words */  in dbInitDmap()