bsd/hfs/hfs_readwrite.c

454 	    ((fp->ff_unallocblocks != 0) ||
2961 	if ((ap->a_flags & VNODE_WRITE) && (fp->ff_unallocblocks != 0)) {
2980 	if ((ap->a_flags & VNODE_WRITE) && (fp->ff_unallocblocks != 0)) {
2986 		// that we came in and fp->ff_unallocblocks was zero
2988 		// btree, ff_unallocblocks became non-zero and so we
3005 		loanedBlocks = fp->ff_unallocblocks;
3010 			fp->ff_unallocblocks = loanedBlocks;
3053 		    ((ap->a_flags & VNODE_READ) && (fp->ff_unallocblocks == 0))) {
3480 		if (fp->ff_unallocblocks > 0) {
3485 			loanedBlocks = fp->ff_unallocblocks;
3488 			fp->ff_unallocblocks = 0;
3498 				fp->ff_unallocblocks = loanedBlocks;
3513 		if (fp->ff_unallocblocks == 0) {
3651 	if (fp->ff_unallocblocks > 0) {
3655 		loanedBlocks = fp->ff_unallocblocks;
3658 		fp->ff_unallocblocks = 0;
3720 			if (datafork->ff_unallocblocks == 0) {
3764 			if (rsrcfork->ff_unallocblocks == 0) {
4951 	if (fp->ff_unallocblocks)