dev/vn/vn.c

271 block_round(off_t o, int blocksize)
273 	return ((o + blocksize - 1) / blocksize);
277 block_truncate(off_t o, int blocksize)
279 	return (o / blocksize);
283 block_remainder(off_t o, int blocksize)
285 	return (o % blocksize);
292 	u_int32_t		blocksize = vn->sc_secsize;
311 		remainder = block_remainder(offset, blocksize);
313 				    block_truncate(offset, blocksize),
314 				    block_round(resid + remainder, blocksize),
323 		this_offset = (off_t)this_block_number * blocksize + remainder;
325 		this_resid = this_block_count * blocksize - remainder;
385 	u_int32_t		blocksize = vn->sc_secsize;
403 		offset_block_number = block_truncate(offset, blocksize);
404 		remainder = block_remainder(offset, blocksize);
405 		resid_block_count = block_round(resid + remainder, blocksize);
417 		    && block_remainder(offset + resid, blocksize) > 0) {
436 			      shadow_block_number * blocksize + remainder);
437 		this_resid = (off_t)shadow_block_count * blocksize - remainder;
645 	u_int32_t		blocksize = vn->sc_secsize;
653 	resid =  buf_resid(bp) / blocksize;
670 				(off_t)this_offset * blocksize,
671 				(user_ssize_t)this_resid * blocksize,
676 		this_resid -= (temp_resid / blocksize);
683 		start += this_resid * blocksize;
685 	buf_setresid(bp, resid * blocksize);
693 	u_int32_t		blocksize = vn->sc_secsize;
701 	resid =  buf_resid(bp) / blocksize;
715 				* blocksize;
721 				(off_t)this_offset * blocksize,
722 				(user_ssize_t)this_resid * blocksize,
727 		this_resid -= (temp_resid / blocksize);
734 		start += this_resid * blocksize;
736 	buf_setresid(bp, resid * blocksize);
976 		/* recompute the size in terms of the new blocksize */