int
fuse_vnode_get(struct mount *mp,
uint64_t nodeid,
struct vnode *dvp,
struct vnode **vpp,
struct componentname *cnp,
enum vtype vtyp)
{
struct thread *td = (cnp != NULL ? cnp->cn_thread : curthread);
int err = 0;
debug_printf("dvp=%p\n", dvp);
err = fuse_vnode_alloc(mp, td, nodeid, vtyp, vpp);
if (err) {
return err;
}
if (dvp != NULL) {
MPASS((cnp->cn_flags & ISDOTDOT) == 0);
MPASS(!(cnp->cn_namelen == 1 && cnp->cn_nameptr[0] == '.'));
fuse_vnode_setparent(*vpp, dvp);
}
if (dvp != NULL && cnp != NULL && (cnp->cn_flags & MAKEENTRY) != 0) {
ASSERT_VOP_LOCKED(*vpp, "fuse_vnode_get");
ASSERT_VOP_LOCKED(dvp, "fuse_vnode_get");
cache_enter(dvp, *vpp, cnp);
}
VTOFUD(*vpp)->nlookup++;
return 0;
}
int
fuse_vnode_get(struct mount *mp,
struct fuse_entry_out *feo,
uint64_t nodeid,
struct vnode *dvp,
struct vnode **vpp,
struct componentname *cnp,
enum vtype vtyp)
{
struct thread *td = (cnp != NULL ? cnp->cn_thread : curthread);
int err = 0;
err = fuse_vnode_alloc(mp, td, nodeid, vtyp, vpp);
if (err) {
return err;
}
if (dvp != NULL) {
MPASS((cnp->cn_flags & ISDOTDOT) == 0);
MPASS(!(cnp->cn_namelen == 1 && cnp->cn_nameptr[0] == '.'));
fuse_vnode_setparent(*vpp, dvp);
}
if (dvp != NULL && cnp != NULL && (cnp->cn_flags & MAKEENTRY) != 0 &&
feo != NULL &&
(feo->entry_valid != 0 || feo->entry_valid_nsec != 0)) {
ASSERT_VOP_LOCKED(*vpp, "fuse_vnode_get");
ASSERT_VOP_LOCKED(dvp, "fuse_vnode_get");
cache_enter(dvp, *vpp, cnp);
}
/*
* In userland, libfuse uses cached lookups for dot and dotdot entries,
* thus it does not really bump the nlookup counter for forget.
* Follow the same semantic and avoid tu bump it in order to keep
* nlookup counters consistent.
*/
if (cnp == NULL || ((cnp->cn_flags & ISDOTDOT) == 0 &&
(cnp->cn_namelen != 1 || cnp->cn_nameptr[0] != '.')))
VTOFUD(*vpp)->nlookup++;
return 0;
}