bsd/vfs/vfs_cluster.c

2138 	u_int32_t	 devblocksize;
2176 	devblocksize = (u_int32_t)vp->v_mount->mnt_devblocksize;
2178 	if (devblocksize == 1) {
2180                 * the AFP client advertises a devblocksize of 1
2185                 * by setting devblocksize to PAGE_SIZE, we re-instate
2189                devblocksize = PAGE_SIZE;
2206 	if (iov_base & (devblocksize - 1)) {
2528 	u_int32_t	 devblocksize;
2538 	devblocksize = (u_int32_t)vp->v_mount->mnt_devblocksize;
2588 	while (((uio->uio_offset & (devblocksize - 1)) || io_size < devblocksize) && io_size) {
2591 		head_size = devblocksize - (u_int32_t)(uio->uio_offset & (devblocksize - 1));
2619 	tail_size = io_size & (devblocksize - 1);
4036 	u_int32_t	 devblocksize;
4079 	devblocksize = (u_int32_t)vp->v_mount->mnt_devblocksize;
4083 		     (int)devblocksize, (int)mem_alignment_mask, 0, 0, 0);
4085 	if (devblocksize == 1) {
4087                 * the AFP client advertises a devblocksize of 1
4092                 * by setting devblocksize to PAGE_SIZE, we re-instate
4096                devblocksize = PAGE_SIZE;
4110 	offset_in_file = (u_int32_t)uio->uio_offset & (devblocksize - 1);
4120 	if (iov_base & (devblocksize - 1)) {
4140 	 *  -- the offset into the file is on a devblocksize boundary
4224 		io_min = devblocksize;
4228 		 * however, if io_size isn't a multiple of devblocksize we
4238 		if (io_size & (devblocksize - 1)) {
4249 				 * So just bump the IO back up to a multiple of devblocksize
4251 				io_size = ((io_size + devblocksize) & ~(devblocksize - 1));
4553 	u_int32_t	 devblocksize;
4573 	devblocksize = (u_int32_t)vp->v_mount->mnt_devblocksize;
4631 	while (((uio->uio_offset & (devblocksize - 1)) || io_size < devblocksize) && io_size) {
4634 		head_size = devblocksize - (u_int32_t)(uio->uio_offset & (devblocksize - 1));
4662 	tail_size = io_size & (devblocksize - 1);