bsd/vfs/vfs_cluster.c

314 	uint32_t	max_io_size;
339        max_io_size = min((segcnt * PAGE_SIZE), maxcnt);
341        if (max_io_size < (MAX_UPL_TRANSFER * PAGE_SIZE)) {
345 	       max_io_size = (MAX_UPL_TRANSFER * PAGE_SIZE);
350 	       max_io_size &= ~PAGE_MASK;
352        return (max_io_size);
2139 	u_int32_t	 max_io_size;
2238 			max_io_size = THROTTLE_MAX_IOSIZE;
2241 			max_io_size = max_upl_size;
2251 		if (io_size > max_io_size)
2252 		        io_size = max_io_size;
2771 	u_int		 max_io_size;
2797 	max_io_size = cluster_max_io_size(vp->v_mount, CL_WRITE);
2877 	        if (total_size > max_io_size)
2878 		        total_size = max_io_size;
2887 		        if ((start_offset + total_size) > max_io_size)
2888 			        total_size = max_io_size - start_offset;
2928 	        if (upl_size > max_io_size)
2929 		        upl_size = max_io_size;
3507 	u_int32_t        max_io_size;
3539 	max_io_size = cluster_max_io_size(vp->v_mount, CL_READ);
3540 	max_prefetch = MAX_PREFETCH(vp, max_io_size, (vp->v_mount->mnt_kern_flag & MNTK_SSD));
3634 				if (last_ioread_offset && io_size > (max_io_size / 4))
3635 				        io_resid = (max_io_size / 4);
3721 		        if (upl_size > max_io_size)
3722 			        upl_size = max_io_size;
3724 		        if (upl_size > max_io_size / 4)
3725 			        upl_size = max_io_size / 4;
4015         off_t		 max_io_size;
4105         max_io_size = filesize - uio->uio_offset;
4107 	if ((off_t)io_req_size > max_io_size)
4108 	        io_req_size = max_io_size;
4457 		if ((flags & IO_ENCRYPTED) && (max_io_size < io_size)) {
4458 			uio_update(uio, (user_size_t)max_io_size);
4838 	uint32_t	 max_io_size;
4847 	max_io_size = cluster_max_io_size(vp->v_mount, CL_READ);
4850 	if (max_io_size > speculative_prefetch_max_iosize)
4851 		max_io_size = speculative_prefetch_max_iosize;
4854 		if (max_io_size > speculative_prefetch_max_iosize)
4855 			max_io_size = speculative_prefetch_max_iosize;
4881 	        if ((uint32_t)upl_size > max_io_size)
4882 		        upl_size = max_io_size;