doclusterread    1513 ufs/ffs/ffs_vfsops.c 	extern int doclusterread, doclusterwrite, doreallocblks, doasyncfree;
doclusterread    1528 ufs/ffs/ffs_vfsops.c 		    &doclusterread));
doclusterread     161 ufs/ffs/ffs_vnops.c int doclusterread = 1;