+ /* Extend IFILE so that the next lfs_valloc will succeed. */
+ if (fs->lfs_free == LFS_UNUSED_INUM) {
+ vp = fs->lfs_ivnode;
+ ip = VTOI(vp);
+ blkno = lblkno(fs, ip->i_size);
+ lfs_balloc(vp, 0, fs->lfs_bsize, blkno, &bp);
+ ip->i_size += fs->lfs_bsize;
+ vnode_pager_setsize(vp, (u_long)ip->i_size);
+ vnode_pager_uncache(vp);
+
+ i = (blkno - fs->lfs_segtabsz - fs->lfs_cleansz) *
+ fs->lfs_ifpb;
+ fs->lfs_free = i;
+ max = i + fs->lfs_ifpb;
+ for (ifp = (struct ifile *)bp->b_data; i < max; ++ifp) {
+ ifp->if_version = 1;
+ ifp->if_daddr = LFS_UNUSED_DADDR;
+ ifp->if_nextfree = ++i;
+ }
+ ifp--;
+ ifp->if_nextfree = LFS_UNUSED_INUM;
+ if (error = VOP_BWRITE(bp))
+ return (error);
+ }
+
+ /* Create a vnode to associate with the inode. */
+ if (error = lfs_vcreate(ap->a_pvp->v_mount, new_ino, &vp))