68 zfs_match_find(zfsvfs_t *zfsvfs, znode_t *dzp, char *name, matchtype_t mt,  in zfs_match_find()  argument
87 		error = zap_lookup_norm(zfsvfs->z_os, dzp->z_id, name, 8, 1,  in zfs_match_find()
92 		error = zap_lookup(zfsvfs->z_os, dzp->z_id, name, 8, 1, zoid);  in zfs_match_find()
97 		dnlc_update(ZTOV(dzp), name, DNLC_NO_VNODE);  in zfs_match_find()
138 zfs_dirent_lock(zfs_dirlock_t **dlpp, znode_t *dzp, char *name, znode_t **zpp,  in zfs_dirent_lock()  argument
141 	zfsvfs_t	*zfsvfs = dzp->z_zfsvfs;  in zfs_dirent_lock()
158 	    zfs_has_ctldir(dzp) && strcmp(name, ZFS_CTLDIR_NAME) == 0)  in zfs_dirent_lock()
238 		rw_enter(&dzp->z_name_lock, RW_READER);  in zfs_dirent_lock()
240 	mutex_enter(&dzp->z_lock);  in zfs_dirent_lock()
242 		if (dzp->z_unlinked) {  in zfs_dirent_lock()
243 			mutex_exit(&dzp->z_lock);  in zfs_dirent_lock()
245 				rw_exit(&dzp->z_name_lock);  in zfs_dirent_lock()
248 		for (dl = dzp->z_dirlocks; dl != NULL; dl = dl->dl_next) {  in zfs_dirent_lock()
254 			mutex_exit(&dzp->z_lock);  in zfs_dirent_lock()
256 				rw_exit(&dzp->z_name_lock);  in zfs_dirent_lock()
269 			dl->dl_dzp = dzp;  in zfs_dirent_lock()
270 			dl->dl_next = dzp->z_dirlocks;  in zfs_dirent_lock()
271 			dzp->z_dirlocks = dl;  in zfs_dirent_lock()
276 		cv_wait(&dl->dl_cv, &dzp->z_lock);  in zfs_dirent_lock()
300 	mutex_exit(&dzp->z_lock);  in zfs_dirent_lock()
308 		error = sa_lookup(dzp->z_sa_hdl, SA_ZPL_XATTR(zfsvfs), &zoid,  in zfs_dirent_lock()
314 			vp = dnlc_lookup(ZTOV(dzp), name);  in zfs_dirent_lock()
328 			error = zfs_match_find(zfsvfs, dzp, name, mt,  in zfs_dirent_lock()
348 			dnlc_update(ZTOV(dzp), name, ZTOV(*zpp));  in zfs_dirent_lock()
362 	znode_t *dzp = dl->dl_dzp;  in zfs_dirent_unlock()  local
365 	mutex_enter(&dzp->z_lock);  in zfs_dirent_unlock()
368 		rw_exit(&dzp->z_name_lock);  in zfs_dirent_unlock()
372 		mutex_exit(&dzp->z_lock);  in zfs_dirent_unlock()
375 	prev_dl = &dzp->z_dirlocks;  in zfs_dirent_unlock()
380 	mutex_exit(&dzp->z_lock);  in zfs_dirent_unlock()
397 zfs_dirlook(znode_t *dzp, char *name, vnode_t **vpp, int flags,  in zfs_dirlook()  argument
406 		*vpp = ZTOV(dzp);  in zfs_dirlook()
409 		zfsvfs_t *zfsvfs = dzp->z_zfsvfs;  in zfs_dirlook()
415 		if ((error = sa_lookup(dzp->z_sa_hdl,  in zfs_dirlook()
418 		if (parent == dzp->z_id && zfsvfs->z_parent != zfsvfs) {  in zfs_dirlook()
424 		rw_enter(&dzp->z_parent_lock, RW_READER);  in zfs_dirlook()
428 		rw_exit(&dzp->z_parent_lock);  in zfs_dirlook()
429 	} else if (zfs_has_ctldir(dzp) && strcmp(name, ZFS_CTLDIR_NAME) == 0) {  in zfs_dirlook()
430 		*vpp = zfsctl_root(dzp);  in zfs_dirlook()
438 		error = zfs_dirent_lock(&dl, dzp, name, &zp, zf, deflg, rpnp);  in zfs_dirlook()
442 			dzp->z_zn_prefetch = B_TRUE; /* enable prefetching */  in zfs_dirlook()
589 zfs_purgedir(znode_t *dzp)  in zfs_purgedir()  argument
595 	zfsvfs_t	*zfsvfs = dzp->z_zfsvfs;  in zfs_purgedir()
600 	for (zap_cursor_init(&zc, zfsvfs->z_os, dzp->z_id);  in zfs_purgedir()
614 		dmu_tx_hold_sa(tx, dzp->z_sa_hdl, B_FALSE);  in zfs_purgedir()
615 		dmu_tx_hold_zap(tx, dzp->z_id, FALSE, zap.za_name);  in zfs_purgedir()
629 		dl.dl_dzp = dzp;  in zfs_purgedir()
773 	znode_t *dzp = dl->dl_dzp;  in zfs_link_create()  local
797 	    &dzp->z_id, sizeof (dzp->z_id));  in zfs_link_create()
812 	mutex_enter(&dzp->z_lock);  in zfs_link_create()
813 	dzp->z_size++;  in zfs_link_create()
814 	dzp->z_links += zp_is_dir;  in zfs_link_create()
817 	    &dzp->z_size, sizeof (dzp->z_size));  in zfs_link_create()
819 	    &dzp->z_links, sizeof (dzp->z_links));  in zfs_link_create()
825 	    &dzp->z_pflags, sizeof (dzp->z_pflags));  in zfs_link_create()
826 	zfs_tstamp_update_setup(dzp, CONTENT_MODIFIED, mtime, ctime, B_TRUE);  in zfs_link_create()
827 	error = sa_bulk_update(dzp->z_sa_hdl, bulk, count, tx);  in zfs_link_create()
829 	mutex_exit(&dzp->z_lock);  in zfs_link_create()
832 	error = zap_add(zp->z_zfsvfs->z_os, dzp->z_id, dl->dl_name,  in zfs_link_create()
836 	dnlc_update(ZTOV(dzp), dl->dl_name, vp);  in zfs_link_create()
864 zfs_dropname(zfs_dirlock_t *dl, znode_t *zp, znode_t *dzp, dmu_tx_t *tx,  in zfs_dropname()  argument
879 		error = zap_remove_norm(zp->z_zfsvfs->z_os, dzp->z_id,  in zfs_dropname()
882 		error = zap_remove(zp->z_zfsvfs->z_os, dzp->z_id, dl->dl_name,  in zfs_dropname()
900 	znode_t *dzp = dl->dl_dzp;  in zfs_link_destroy()  local
901 	zfsvfs_t *zfsvfs = dzp->z_zfsvfs;  in zfs_link_destroy()
910 	dnlc_remove(ZTOV(dzp), dl->dl_name);  in zfs_link_destroy()
934 		error = zfs_dropname(dl, zp, dzp, tx, flag);  in zfs_link_destroy()
969 		error = zfs_dropname(dl, zp, dzp, tx, flag);  in zfs_link_destroy()
974 	mutex_enter(&dzp->z_lock);  in zfs_link_destroy()
975 	dzp->z_size--;		/* one dirent removed */  in zfs_link_destroy()
976 	dzp->z_links -= zp_is_dir;	/* ".." link from zp */  in zfs_link_destroy()
978 	    NULL, &dzp->z_links, sizeof (dzp->z_links));  in zfs_link_destroy()
980 	    NULL, &dzp->z_size, sizeof (dzp->z_size));  in zfs_link_destroy()
986 	    NULL, &dzp->z_pflags, sizeof (dzp->z_pflags));  in zfs_link_destroy()
987 	zfs_tstamp_update_setup(dzp, CONTENT_MODIFIED, mtime, ctime, B_TRUE);  in zfs_link_destroy()
988 	error = sa_bulk_update(dzp->z_sa_hdl, bulk, count, tx);  in zfs_link_destroy()
990 	mutex_exit(&dzp->z_lock);  in zfs_link_destroy()
1006 zfs_dirempty(znode_t *dzp)  in zfs_dirempty()  argument
1008 	return (dzp->z_size == 2 && dzp->z_dirlocks == 0);  in zfs_dirempty()