sys/kern/vfs_cluster.c

91 cluster_read(struct vnode *vp, u_quad_t filesize, daddr_t lblkno, long size,
115 	if (((u_quad_t)(lblkno + maxra + 1) * size) > filesize)
116 		maxra = (filesize / size) - lblkno;
121 	*bpp = reqbp = bp = getblk(vp, lblkno, size, 0, 0, gbflags);
122 	origblkno = lblkno;
142 				rbp = gbincore(&vp->v_bufobj, lblkno+i);
163 			lblkno += i;
201 	    		error = VOP_BMAP(vp, lblkno, NULL,
219 			bp = cluster_rbuild(vp, filesize, lblkno,
221 			lblkno += (bp->b_bufsize / size);
225 			lblkno += 1;
248 	while (lblkno < (origblkno + maxra)) {
249 		error = VOP_BMAP(vp, lblkno, NULL, &blkno, &ncontig, NULL);
263 			rbp = cluster_rbuild(vp, filesize, lblkno, blkno,
265 			lblkno += (rbp->b_bufsize / size);
271 			rbp = getblk(vp, lblkno, size, 0, 0, gbflags);
272 			lblkno += 1;