2242 pdinit(struct pwddesc *pdp, bool keeplock)  in pdinit()  argument
2253 	if (pdp == NULL) {  in pdinit()
2259 	PWDDESC_XLOCK(pdp);  in pdinit()
2260 	newpwd = pwd_hold_pwddesc(pdp);  in pdinit()
2263 		PWDDESC_XUNLOCK(pdp);  in pdinit()
2297 	struct pwddesc *pdp;  in pdhold()  local
2300 	pdp = atomic_load_ptr(&p->p_pd);  in pdhold()
2301 	if (pdp != NULL)  in pdhold()
2302 		refcount_acquire(&pdp->pd_refcount);  in pdhold()
2303 	return (pdp);  in pdhold()
2320 pddrop(struct pwddesc *pdp)  in pddrop()  argument
2324 	if (refcount_release_if_not_last(&pdp->pd_refcount))  in pddrop()
2327 	PWDDESC_XLOCK(pdp);  in pddrop()
2328 	if (refcount_release(&pdp->pd_refcount) == 0) {  in pddrop()
2329 		PWDDESC_XUNLOCK(pdp);  in pddrop()
2332 	pwd = PWDDESC_XLOCKED_LOAD_PWD(pdp);  in pddrop()
2333 	pwd_set(pdp, NULL);  in pddrop()
2334 	PWDDESC_XUNLOCK(pdp);  in pddrop()
2337 	PWDDESC_LOCK_DESTROY(pdp);  in pddrop()
2338 	free(pdp, M_PWDDESC);  in pddrop()
2356 pdshare(struct pwddesc *pdp)  in pdshare()  argument
2358 	refcount_acquire(&pdp->pd_refcount);  in pdshare()
2359 	return (pdp);  in pdshare()
2385 	struct pwddesc *pdp;  in pdunshare()  local
2393 	pdp = pdcopy(p->p_pd);  in pdunshare()
2395 	p->p_pd = pdp;  in pdunshare()
2444 pdcopy(struct pwddesc *pdp)  in pdcopy()  argument
2448 	MPASS(pdp != NULL);  in pdcopy()
2450 	newpdp = pdinit(pdp, true);  in pdcopy()
2451 	newpdp->pd_cmask = pdp->pd_cmask;  in pdcopy()
2452 	PWDDESC_XUNLOCK(pdp);  in pdcopy()
2612 	struct pwddesc *pdp;  in pdescfree()  local
2615 	pdp = p->p_pd;  in pdescfree()
2616 	MPASS(pdp != NULL);  in pdescfree()
2625 	pddrop(pdp);  in pdescfree()
3931 pwd_hold_pwddesc(struct pwddesc *pdp)  in pwd_hold_pwddesc()  argument
3935 	PWDDESC_ASSERT_XLOCKED(pdp);  in pwd_hold_pwddesc()
3936 	pwd = PWDDESC_XLOCKED_LOAD_PWD(pdp);  in pwd_hold_pwddesc()
3956 	struct pwddesc *pdp;  in pwd_hold()  local
3959 	pdp = td->td_proc->p_pd;  in pwd_hold()
3962 	pwd = vfs_smr_entered_load(&pdp->pd_pwd);  in pwd_hold()
3968 	PWDDESC_XLOCK(pdp);  in pwd_hold()
3969 	pwd = pwd_hold_pwddesc(pdp);  in pwd_hold()
3971 	PWDDESC_XUNLOCK(pdp);  in pwd_hold()
3978 	struct pwddesc *pdp;  in pwd_hold_proc()  local
3983 	pdp = pdhold(p);  in pwd_hold_proc()
3984 	MPASS(pdp != NULL);  in pwd_hold_proc()
3987 	PWDDESC_XLOCK(pdp);  in pwd_hold_proc()
3988 	pwd = pwd_hold_pwddesc(pdp);  in pwd_hold_proc()
3990 	PWDDESC_XUNLOCK(pdp);  in pwd_hold_proc()
3991 	pddrop(pdp);  in pwd_hold_proc()
4031 	struct pwddesc *pdp;  in pwd_chroot()  local
4037 	pdp = td->td_proc->p_pd;  in pwd_chroot()
4040 	PWDDESC_XLOCK(pdp);  in pwd_chroot()
4041 	oldpwd = PWDDESC_XLOCKED_LOAD_PWD(pdp);  in pwd_chroot()
4048 			PWDDESC_XUNLOCK(pdp);  in pwd_chroot()
4065 	pwd_set(pdp, newpwd);  in pwd_chroot()
4066 	PWDDESC_XUNLOCK(pdp);  in pwd_chroot()
4074 	struct pwddesc *pdp;  in pwd_chdir()  local
4080 	pdp = td->td_proc->p_pd;  in pwd_chdir()
4081 	PWDDESC_XLOCK(pdp);  in pwd_chdir()
4082 	oldpwd = PWDDESC_XLOCKED_LOAD_PWD(pdp);  in pwd_chdir()
4085 	pwd_set(pdp, newpwd);  in pwd_chdir()
4086 	PWDDESC_XUNLOCK(pdp);  in pwd_chdir()
4096 	struct pwddesc *pdp;  in pwd_altroot()  local
4100 	pdp = td->td_proc->p_pd;  in pwd_altroot()
4101 	PWDDESC_XLOCK(pdp);  in pwd_altroot()
4102 	oldpwd = PWDDESC_XLOCKED_LOAD_PWD(pdp);  in pwd_altroot()
4119 	pwd_set(pdp, newpwd);  in pwd_altroot()
4120 	PWDDESC_XUNLOCK(pdp);  in pwd_altroot()
4130 	struct pwddesc *pdp;  in pwd_chroot_chdir()  local
4136 	pdp = td->td_proc->p_pd;  in pwd_chroot_chdir()
4139 	PWDDESC_XLOCK(pdp);  in pwd_chroot_chdir()
4140 	oldpwd = PWDDESC_XLOCKED_LOAD_PWD(pdp);  in pwd_chroot_chdir()
4144 		PWDDESC_XUNLOCK(pdp);  in pwd_chroot_chdir()
4160 	pwd_set(pdp, newpwd);  in pwd_chroot_chdir()
4161 	PWDDESC_XUNLOCK(pdp);  in pwd_chroot_chdir()
4169 	struct pwddesc *pdp;  in pwd_ensure_dirs()  local
4172 	pdp = curproc->p_pd;  in pwd_ensure_dirs()
4173 	PWDDESC_XLOCK(pdp);  in pwd_ensure_dirs()
4174 	oldpwd = PWDDESC_XLOCKED_LOAD_PWD(pdp);  in pwd_ensure_dirs()
4177 		PWDDESC_XUNLOCK(pdp);  in pwd_ensure_dirs()
4180 	PWDDESC_XUNLOCK(pdp);  in pwd_ensure_dirs()
4183 	PWDDESC_XLOCK(pdp);  in pwd_ensure_dirs()
4184 	oldpwd = PWDDESC_XLOCKED_LOAD_PWD(pdp);  in pwd_ensure_dirs()
4198 	pwd_set(pdp, newpwd);  in pwd_ensure_dirs()
4199 	PWDDESC_XUNLOCK(pdp);  in pwd_ensure_dirs()
4206 	struct pwddesc *pdp;  in pwd_set_rootvnode()  local
4209 	pdp = curproc->p_pd;  in pwd_set_rootvnode()
4212 	PWDDESC_XLOCK(pdp);  in pwd_set_rootvnode()
4213 	oldpwd = PWDDESC_XLOCKED_LOAD_PWD(pdp);  in pwd_set_rootvnode()
4221 	pwd_set(pdp, newpwd);  in pwd_set_rootvnode()
4222 	PWDDESC_XUNLOCK(pdp);  in pwd_set_rootvnode()
4233 	struct pwddesc *pdp;  in mountcheckdirs()  local
4246 		pdp = pdhold(p);  in mountcheckdirs()
4248 		if (pdp == NULL)  in mountcheckdirs()
4250 		PWDDESC_XLOCK(pdp);  in mountcheckdirs()
4251 		oldpwd = PWDDESC_XLOCKED_LOAD_PWD(pdp);  in mountcheckdirs()
4257 			PWDDESC_XUNLOCK(pdp);  in mountcheckdirs()
4258 			pddrop(pdp);  in mountcheckdirs()
4278 		pwd_set(pdp, newpwd);  in mountcheckdirs()
4279 		PWDDESC_XUNLOCK(pdp);  in mountcheckdirs()
4281 		pddrop(pdp);  in mountcheckdirs()
4620 	struct pwddesc	*pdp;  member
4667 	if (efbuf->pdp != NULL)  in export_vnode_to_sb()
4668 		PWDDESC_XUNLOCK(efbuf->pdp);  in export_vnode_to_sb()
4671 	if (efbuf->pdp != NULL)  in export_vnode_to_sb()
4672 		PWDDESC_XLOCK(efbuf->pdp);  in export_vnode_to_sb()
4687 	struct pwddesc *pdp;  in kern_proc_filedesc_out()  local
4710 	pdp = pdhold(p);  in kern_proc_filedesc_out()
4715 	efbuf->pdp = NULL;  in kern_proc_filedesc_out()
4730 	if (error != 0 || pdp == NULL || fdp == NULL)  in kern_proc_filedesc_out()
4733 	efbuf->pdp = pdp;  in kern_proc_filedesc_out()
4734 	PWDDESC_XLOCK(pdp);  in kern_proc_filedesc_out()
4735 	pwd = pwd_hold_pwddesc(pdp);  in kern_proc_filedesc_out()
4756 	PWDDESC_XUNLOCK(pdp);  in kern_proc_filedesc_out()
4785 	if (pdp != NULL)  in kern_proc_filedesc_out()
4786 		pddrop(pdp);  in kern_proc_filedesc_out()
4862     struct kinfo_ofile *okif, struct pwddesc *pdp, struct sysctl_req *req)  in export_vnode_for_osysctl()  argument
4867 	PWDDESC_XUNLOCK(pdp);  in export_vnode_for_osysctl()
4871 	PWDDESC_XLOCK(pdp);  in export_vnode_for_osysctl()
4884 	struct pwddesc *pdp;  in sysctl_kern_proc_ofiledesc()  local
4901 		pdp = pdhold(p);  in sysctl_kern_proc_ofiledesc()
4903 	if (fdp == NULL || pdp == NULL) {  in sysctl_kern_proc_ofiledesc()
4910 	PWDDESC_XLOCK(pdp);  in sysctl_kern_proc_ofiledesc()
4911 	pwd = pwd_hold_pwddesc(pdp);  in sysctl_kern_proc_ofiledesc()
4915 			    okif, pdp, req);  in sysctl_kern_proc_ofiledesc()
4918 			    okif, pdp, req);  in sysctl_kern_proc_ofiledesc()
4921 			    okif, pdp, req);  in sysctl_kern_proc_ofiledesc()
4923 	PWDDESC_XUNLOCK(pdp);  in sysctl_kern_proc_ofiledesc()
4942 	pddrop(pdp);  in sysctl_kern_proc_ofiledesc()
4994 	struct pwddesc *pdp;  in kern_proc_cwd_out()  local
5002 	pdp = pdhold(p);  in kern_proc_cwd_out()
5004 	if (pdp == NULL)  in kern_proc_cwd_out()
5009 	efbuf->pdp = pdp;  in kern_proc_cwd_out()
5014 	PWDDESC_XLOCK(pdp);  in kern_proc_cwd_out()
5015 	pwd = PWDDESC_XLOCKED_LOAD_PWD(pdp);  in kern_proc_cwd_out()
5023 	PWDDESC_XUNLOCK(pdp);  in kern_proc_cwd_out()
5024 	pddrop(pdp);  in kern_proc_cwd_out()