+
+/*
+ * These macros are used to bracket UFS directory ops, so that we can
+ * identify all the pages touched during directory ops which need to
+ * be ordered and flushed atomically, so that they may be recovered.
+ */
+#define SET_DIROP(fs) { \
+ if ((fs)->lfs_writer) \
+ tsleep(&(fs)->lfs_dirops, PRIBIO + 1, "lfs_dirop", 0); \
+ ++(fs)->lfs_dirops; \
+ (fs)->lfs_doifile = 1; \
+}
+
+#define SET_ENDOP(fs) { \
+ --(fs)->lfs_dirops; \
+ if (!(fs)->lfs_dirops) \
+ wakeup(&(fs)->lfs_writer); \
+}
+
+#define MARK_VNODE(dvp) (dvp)->v_flag |= VDIROP
+
+int
+lfs_symlink(ap)
+ struct vop_symlink_args /* {
+ struct vnode *a_dvp;
+ struct vnode **a_vpp;
+ struct componentname *a_cnp;
+ struct vattr *a_vap;
+ char *a_target;
+ } */ *ap;
+{
+ int ret;
+
+ SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
+ MARK_VNODE(ap->a_dvp);
+ ret = ufs_symlink(ap);
+ SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
+ return (ret);
+}
+
+int
+lfs_mknod(ap)
+ struct vop_mknod_args /* {
+ struct vnode *a_dvp;
+ struct vnode **a_vpp;
+ struct componentname *a_cnp;
+ struct vattr *a_vap;
+ } */ *ap;
+{
+ int ret;
+
+ SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
+ MARK_VNODE(ap->a_dvp);
+ ret = ufs_mknod(ap);
+ SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
+ return (ret);
+}
+
+int
+lfs_create(ap)
+ struct vop_create_args /* {
+ struct vnode *a_dvp;
+ struct vnode **a_vpp;
+ struct componentname *a_cnp;
+ struct vattr *a_vap;
+ } */ *ap;
+{
+ int ret;
+
+ SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
+ MARK_VNODE(ap->a_dvp);
+ ret = ufs_create(ap);
+ SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
+ return (ret);
+}
+
+int
+lfs_mkdir(ap)
+ struct vop_mkdir_args /* {
+ struct vnode *a_dvp;
+ struct vnode **a_vpp;
+ struct componentname *a_cnp;
+ struct vattr *a_vap;
+ } */ *ap;
+{
+ int ret;
+
+ SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
+ MARK_VNODE(ap->a_dvp);
+ ret = ufs_mkdir(ap);
+ SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
+ return (ret);
+}
+
+int
+lfs_remove(ap)
+ struct vop_remove_args /* {
+ struct vnode *a_dvp;
+ struct vnode *a_vp;
+ struct componentname *a_cnp;
+ } */ *ap;
+{
+ int ret;
+
+ SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
+ MARK_VNODE(ap->a_dvp);
+ MARK_VNODE(ap->a_vp);
+ ret = ufs_remove(ap);
+ SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
+ return (ret);
+}
+
+int
+lfs_rmdir(ap)
+ struct vop_rmdir_args /* {
+ struct vnodeop_desc *a_desc;
+ struct vnode *a_dvp;
+ struct vnode *a_vp;
+ struct componentname *a_cnp;
+ } */ *ap;
+{
+ int ret;
+
+ SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
+ MARK_VNODE(ap->a_dvp);
+ MARK_VNODE(ap->a_vp);
+ ret = ufs_rmdir(ap);
+ SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
+ return (ret);
+}
+
+int
+lfs_link(ap)
+ struct vop_link_args /* {
+ struct vnode *a_vp;
+ struct vnode *a_tdvp;
+ struct componentname *a_cnp;
+ } */ *ap;
+{
+ int ret;
+
+ SET_DIROP(VTOI(ap->a_vp)->i_lfs);
+ MARK_VNODE(ap->a_vp);
+ ret = ufs_link(ap);
+ SET_ENDOP(VTOI(ap->a_vp)->i_lfs);
+ return (ret);
+}
+
+int
+lfs_rename(ap)
+ struct vop_rename_args /* {
+ struct vnode *a_fdvp;
+ struct vnode *a_fvp;
+ struct componentname *a_fcnp;
+ struct vnode *a_tdvp;
+ struct vnode *a_tvp;
+ struct componentname *a_tcnp;
+ } */ *ap;
+{
+ int ret;
+
+ SET_DIROP(VTOI(ap->a_fdvp)->i_lfs);
+ MARK_VNODE(ap->a_fdvp);
+ MARK_VNODE(ap->a_tdvp);
+ ret = ufs_rename(ap);
+ SET_ENDOP(VTOI(ap->a_fdvp)->i_lfs);
+ return (ret);
+}
+/* XXX hack to avoid calling ITIMES in getattr */
+int
+lfs_getattr(ap)
+ struct vop_getattr_args /* {
+ struct vnode *a_vp;
+ struct vattr *a_vap;
+ struct ucred *a_cred;
+ struct proc *a_p;
+ } */ *ap;
+{
+ register struct vnode *vp = ap->a_vp;
+ register struct inode *ip = VTOI(vp);
+ register struct vattr *vap = ap->a_vap;
+ /*
+ * Copy from inode table
+ */
+ vap->va_fsid = ip->i_dev;
+ vap->va_fileid = ip->i_number;
+ vap->va_mode = ip->i_mode & ~IFMT;
+ vap->va_nlink = ip->i_nlink;
+ vap->va_uid = ip->i_uid;
+ vap->va_gid = ip->i_gid;
+ vap->va_rdev = (dev_t)ip->i_rdev;
+ vap->va_size = ip->i_din.di_size;
+ vap->va_atime = ip->i_atime;
+ vap->va_mtime = ip->i_mtime;
+ vap->va_ctime = ip->i_ctime;
+ vap->va_flags = ip->i_flags;
+ vap->va_gen = ip->i_gen;
+ /* this doesn't belong here */
+ if (vp->v_type == VBLK)
+ vap->va_blocksize = BLKDEV_IOSIZE;
+ else if (vp->v_type == VCHR)
+ vap->va_blocksize = MAXBSIZE;
+ else
+ vap->va_blocksize = vp->v_mount->mnt_stat.f_iosize;
+ vap->va_bytes = dbtob(ip->i_blocks);
+ vap->va_type = vp->v_type;
+ vap->va_filerev = ip->i_modrev;
+ return (0);
+}
+/*
+ * Close called
+ *
+ * XXX -- we were using ufs_close, but since it updates the
+ * times on the inode, we might need to bump the uinodes
+ * count.
+ */
+/* ARGSUSED */
+int
+lfs_close(ap)
+ struct vop_close_args /* {
+ struct vnode *a_vp;
+ int a_fflag;
+ struct ucred *a_cred;
+ struct proc *a_p;
+ } */ *ap;
+{
+ register struct vnode *vp = ap->a_vp;
+ register struct inode *ip = VTOI(vp);
+ int mod;
+
+ if (vp->v_usecount > 1 && !(ip->i_flag & ILOCKED)) {
+ mod = ip->i_flag & IMOD;
+ ITIMES(ip, &time, &time);
+ if (!mod && ip->i_flag & IMOD)
+ ip->i_lfs->lfs_uinodes++;
+ }
+ return (0);
+}
+
projects / unix-history / blobdiff