fs/puffs/puffs_vnops.c

350 	struct vnode *vp;
358 	vp = *VOPARG_OFFSETTO(struct vnode **, offset, ap);
359 	pmp = MPTOPUFFSMP(vp->v_mount);
361 	DPRINTF_VERBOSE(("checkop call %s (%d), vp %p\n",
362 	    ap->a_desc->vdesc_name, ap->a_desc->vdesc_offset, vp));
406 	DPRINTF_VERBOSE(("checkop return %s (%d), vp %p: %d\n",
407 	    ap->a_desc->vdesc_name, ap->a_desc->vdesc_offset, vp, rv));
485 	struct vnode *vp, *dvp, *cvp;
515 		vp = VPTOPP(ap->a_dvp)->pn_parent;
516 		vref(vp);
518 		vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
521 		*ap->a_vpp = vp;
563 		vp = ap->a_dvp;
564 		vref(vp);
565 		*ap->a_vpp = vp;
630 	vp = NULL;
641 		vp = cvp;
648 	if (vp == NULL) {
650 					   1, 1, &vp);
656 		    lookup_msg->pvnr_size, lookup_msg->pvnr_rdev, &vp);
664 		vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
677 		update_va(vp, NULL, &lookup_msg->pvnr_va,
681 	KASSERT(lookup_msg->pvnr_newnode == VPTOPP(vp)->pn_cookie);
682 	*ap->a_vpp = vp;
685 		cache_enter(dvp, vp, cnp);
694 	VPTOPP(vp)->pn_nlookup++;
697 	    (VPTOPP(vp)->pn_parent != dvp))
698 		update_parent(vp, dvp);
704 		if (error || (cvp != vp))
872 	struct vnode *vp = ap->a_vp;
873 	struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
877 	DPRINTF(("puffs_open: vp %p, mode 0x%x\n", vp, mode));
879 	if (vp->v_type == VREG && mode & FWRITE && !EXISTSOP(pmp, WRITE))
889 	    PUFFS_VN_OPEN, VPTOPNC(vp));
891 	PUFFS_MSG_ENQUEUEWAIT2(pmp, park_open, vp->v_data, NULL, error);
910 	struct vnode *vp = ap->a_vp;
911 	struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
918 	    PUFFS_VN_CLOSE, VPTOPNC(vp));
935 	struct vnode *vp = ap->a_vp;
936 	struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
941 		switch (vp->v_type) {
945 			if ((vp->v_mount->mnt_flag & MNT_RDONLY)
961 	    PUFFS_VN_ACCESS, VPTOPNC(vp));
963 	PUFFS_MSG_ENQUEUEWAIT2(pmp, park_access, vp->v_data, NULL, error);
971 update_va(struct vnode *vp, struct vattr *vap, struct vattr *rvap,
974 	struct puffs_node *pn = VPTOPP(vp);
985 	if (vp->v_type == VBLK || vp->v_type == VCHR)
986 		rvap->va_size = vp->v_size;
989 	if (vp->v_type == VBLK)
991 	else if (vp->v_type == VCHR)
996 		vap->va_fsid = vp->v_mount->mnt_stat.f_fsidx.__fsid_val[0];
1010 		    && vp->v_type != VBLK && vp->v_type != VCHR) {
1011 			uvm_vnp_setsize(vp, rvap->va_size);
1027 update_parent(struct vnode *vp, struct vnode *dvp)
1029 	struct puffs_node *pn = VPTOPP(vp);
1050 	struct vnode *vp = ap->a_vp;
1051 	struct mount *mp = vp->v_mount;
1054 	struct puffs_node *pn = VPTOPP(vp);
1060 	 * setattr, write and fsync when changing vp->v_size.
1078 			update_va(vp, vap, pn->pn_va_cache,
1088 	    PUFFS_VN_GETATTR, VPTOPNC(vp));
1090 	PUFFS_MSG_ENQUEUEWAIT2(pmp, park_getattr, vp->v_data, NULL, error);
1100 	update_va(vp, vap, rvap, va_ttl, NULL, SETATTR_CHSIZE);
1114 dosetattr(struct vnode *vp, struct vattr *vap, kauth_cred_t cred, int flags)
1117 	struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
1118 	struct puffs_node *pn = vp->v_data;
1123 	if ((vp->v_mount->mnt_flag & MNT_RDONLY) &&
1129 	if ((vp->v_mount->mnt_flag & MNT_RDONLY)
1130 	    && vp->v_type == VREG && vap->va_size != VNOVAL)
1166 	    PUFFS_VN_SETATTR, VPTOPNC(vp));
1172 		error = puffs_msg_wait2(pmp, park_setattr, vp->v_data, NULL);
1178 		update_va(vp, NULL, rvap, va_ttl, NULL, flags);
1193 			uvm_vnp_setsize(vp, vap->va_size);
1259 	struct vnode *vp = ap->a_vp;
1260 	struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
1265 	pnode = vp->v_data;
1269 		flushvncache(vp, 0, 0, false);
1272 		    PUFFS_VN_INACTIVE, VPTOPNC(vp));
1274 		PUFFS_MSG_ENQUEUEWAIT2(pmp, park_inactive, vp->v_data,
1297 	if (PUFFS_USE_FS_TTL(pmp) && !(vp->v_vflag & VV_ROOT) && !recycle) {
1343 	VOP_UNLOCK(vp);
1377 	struct vnode *vp = ap->a_vp;
1378 	struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
1379 	struct puffs_node *pnode = vp->v_data;
1388 	if (vp->v_vflag & VV_ROOT) {
1404 		cache_purge(vp);
1408 		int nlookup = VPTOPP(vp)->pn_nlookup;
1410 		callreclaim(MPTOPUFFSMP(vp->v_mount), VPTOPNC(vp), nlookup);
1414 		if (__predict_true(VPTOPP(vp)->pn_parent != NULL))
1415 			vrele(VPTOPP(vp)->pn_parent);
1417 			KASSERT(vp->v_vflag & VV_ROOT);
1420 	puffs_putvnode(vp);
1421 	vp->v_data = NULL;
1440 	struct vnode *vp = ap->a_vp;
1441 	struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
1491 	    PUFFS_VN_READDIR, VPTOPNC(vp));
1494 	PUFFS_MSG_ENQUEUEWAIT2(pmp, park_readdir, vp->v_data, NULL, error);
1502 		    "resid grew", VPTOPNC(vp));
1507 		    "too many cookies", VPTOPNC(vp));
1566 	struct vnode *vp = ap->a_vp;
1567 	struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
1568 	struct puffs_node *pn = vp->v_data;
1586 			    PUFFS_VN_POLL, VPTOPNC(vp));
1590 			PUFFS_MSG_ENQUEUEWAIT2(pmp, park_poll, vp->v_data,
1602 flushvncache(struct vnode *vp, off_t offlo, off_t offhi, bool wait)
1604 	struct puffs_node *pn = VPTOPP(vp);
1612 		error = dosetattr(vp, &va, FSCRED,
1625 	mutex_enter(vp->v_interlock);
1626 	return VOP_PUTPAGES(vp, trunc_page(offlo), round_page(offhi), pflags);
1641 	struct vnode *vp;
1646 	vp = ap->a_vp;
1647 	KASSERT(vp != NULL);
1648 	pn = VPTOPP(vp);
1650 	pmp = MPTOPUFFSMP(vp->v_mount);
1658 	error = flushvncache(vp, ap->a_offlo, ap->a_offhi,
1682 		mutex_enter(vp->v_interlock);
1683 		if (vp->v_iflag & VI_XLOCK)
1685 		mutex_exit(vp->v_interlock);
1697 	    PUFFS_VN_FSYNC, VPTOPNC(vp));
1699 	PUFFS_MSG_ENQUEUEWAIT2(pmp, park_fsync, vp->v_data, NULL, error);
1720 	struct vnode *vp = ap->a_vp;
1721 	struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
1729 	    PUFFS_VN_SEEK, VPTOPNC(vp));
1731 	PUFFS_MSG_ENQUEUEWAIT2(pmp, park_seek, vp->v_data, NULL, error);
1770 	struct vnode *vp = ap->a_vp;
1772 	struct puffs_node *pn = VPTOPP(vp);
1779 	remove_msg->pvnr_cookie_targ = VPTOPNC(vp);
1787 	if (dvp == vp)
1790 		REFPN_AND_UNLOCKVP(vp, pn);
1796 	RELEPN_AND_VP(vp, pn);
1892 	struct vnode *vp = ap->a_vp;
1894 	struct puffs_node *pn = VPTOPP(vp);
1900 	rmdir_msg->pvnr_cookie_targ = VPTOPNC(vp);
1908 	REFPN_AND_UNLOCKVP(vp, pn);
1915 	RELEPN_AND_VP(vp, pn);
1931 	struct vnode *vp = ap->a_vp;
1933 	struct puffs_node *pn = VPTOPP(vp);
1939 	link_msg->pvnr_cookie_targ = VPTOPNC(vp);
2043 	struct vnode *vp = ap->a_vp;
2053 	    PUFFS_VN_READLINK, VPTOPNC(vp));
2055 	PUFFS_MSG_ENQUEUEWAIT2(pmp, park_readlink, vp->v_data, NULL, error);
2167 	struct vnode *vp = ap->a_vp;
2168 	struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
2183 	if (vp->v_type == VREG && PUFFS_USE_PAGECACHE(pmp)) {
2187 			if (vp->v_size <= uio->uio_offset) {
2191 			    vp->v_size - uio->uio_offset);
2195 			error = ubc_uiomove(&vp->v_uobj, uio, bytelen, advice,
2196 			    UBC_READ | UBC_PARTIALOK | UBC_UNMAP_FLAG(vp));
2201 		if ((vp->v_mount->mnt_flag & MNT_NOATIME) == 0)
2202 			puffs_updatenode(VPTOPP(vp), PUFFS_UPDATEATIME, 0);
2222 			    PUFFS_VN_READ, VPTOPNC(vp));
2225 			PUFFS_MSG_ENQUEUEWAIT2(pmp, park_read, vp->v_data,
2273 	struct vnode *vp = ap->a_vp;
2274 	struct puffs_node *pn = VPTOPP(vp);
2275 	struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
2288 	if (vp->v_type == VREG && PUFFS_USE_PAGECACHE(pmp)) {
2289 		ubcflags = UBC_WRITE | UBC_PARTIALOK | UBC_UNMAP_FLAG(vp);
2296 			uio->uio_offset = vp->v_size;
2300 			if (vp->v_mount->mnt_flag & MNT_RELATIME)
2308 			if (vp->v_size < newoff) {
2309 				uvm_vnp_setwritesize(vp, newoff);
2311 			error = ubc_uiomove(&vp->v_uobj, uio, bytelen,
2321 			if (vp->v_size < newoff) {
2324 					uvm_vnp_setsize(vp, newoff);
2326 					uvm_vnp_setwritesize(vp, vp->v_size);
2342 				mutex_enter(vp->v_interlock);
2343 				error = VOP_PUTPAGES(vp, oldoff & ~0xffff,
2353 			mutex_enter(vp->v_interlock);
2354 			error = VOP_PUTPAGES(vp, trunc_page(origoff),
2360 			mutex_enter(vp->v_interlock);
2361 			error = VOP_PUTPAGES(vp, trunc_page(origoff),
2365 		puffs_updatenode(VPTOPP(vp), uflags, vp->v_size);
2384 			    PUFFS_VN_WRITE, VPTOPNC(vp));
2385 			PUFFS_MSG_ENQUEUEWAIT2(pmp, park_write, vp->v_data,
2399 			if (vp->v_size < uio->uio_offset)
2400 				uvm_vnp_setsize(vp, uio->uio_offset);
2422 	struct vnode *vp = ap->a_vp;
2423 	struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
2424 	struct puffs_node *pn = vp->v_data;
2429 	    "\tuserspace cookie: %p", vp, pn, pn->pn_cookie);
2430 	if (vp->v_type == VFIFO)
2438 		    PUFFS_VN_PRINT, VPTOPNC(vp));
2439 		PUFFS_MSG_ENQUEUEWAIT2(pmp, park_print, vp->v_data,
2457 	struct vnode *vp = ap->a_vp;
2458 	struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
2464 	    PUFFS_VN_PATHCONF, VPTOPNC(vp));
2465 	PUFFS_MSG_ENQUEUEWAIT2(pmp, park_pathconf, vp->v_data, NULL, error);
2486 	struct vnode *vp = ap->a_vp;
2487 	struct puffs_node *pn = VPTOPP(vp);
2488 	struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
2492 		return lf_advlock(ap, &pn->pn_lockf, vp->v_size);
2501 	    PUFFS_VN_ADVLOCK, VPTOPNC(vp));
2502 	PUFFS_MSG_ENQUEUEWAIT2(pmp, park_advlock, vp->v_data, NULL, error);
2550 	struct vnode *vp = ap->a_vp;
2551 	struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
2558 	pmp = MPTOPUFFSMP(vp->v_mount);
2563 	pn = VPTOPP(vp);
2594 		mutex_enter(vp->v_interlock);
2595 		if (vp->v_iflag & VI_XLOCK)
2599 		mutex_exit(vp->v_interlock);
2618 		    PUFFS_VN_READ, VPTOPNC(vp));
2626 			PUFFS_MSG_ENQUEUEWAIT2(pmp, park_rw, vp->v_data,
2634 				    E2BIG, "resid grew", VPTOPNC(vp));
2645 		    PUFFS_VN_WRITE, VPTOPNC(vp));
2651 			struct uvm_object *uobj = &vp->v_uobj;
2660 				    "vp %p page %p, offset %" PRId64"\n",
2661 				    vp, vmp, vmp->offset));
2678 		PUFFS_MSG_ENQUEUEWAIT2(pmp, park_rw, vp->v_data, NULL, error);
2696 			    E2BIG, "resid grew", VPTOPNC(vp));
2738 	struct vnode *vp = ap->a_vp;
2739 	struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
2750 		    PUFFS_VN_MMAP, VPTOPNC(vp));
2752 		PUFFS_MSG_ENQUEUEWAIT2(pmp, park_mmap, vp->v_data, NULL, error);
2822 	struct vnode *vp;
2834 	vp = ap->a_vp;
2835 	pn = vp->v_data;
2850 	if (ap->a_offset >= pn->pn_serversize && ap->a_offset < vp->v_size) {
2857 		mutex_exit(vp->v_interlock);
2859 		va.va_size = vp->v_size;
2860 		error = dosetattr(vp, &va, FSCRED, 0);
2863 		mutex_enter(vp->v_interlock);
2905 		mutex_enter(vp->v_uobj.vmobjlock);
2931 		mutex_exit(vp->v_uobj.vmobjlock);
2939 		    sizeof(struct puffs_cacheinfo) + runsizes, VPTOPNC(vp));
2972 	struct vnode *vp = ap->a_vp;
2973 	struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
3004 	    PUFFSOP_VN, PUFFS_VN_GETEXTATTR, VPTOPNC(vp));
3006 	PUFFS_MSG_ENQUEUEWAIT2(pmp, park_getextattr, vp->v_data, NULL, error);
3015 		    "resid grew", VPTOPNC(vp));
3041 	struct vnode *vp = ap->a_vp;
3042 	struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
3076 	    PUFFSOP_VN, PUFFS_VN_SETEXTATTR, VPTOPNC(vp));
3077 	PUFFS_MSG_ENQUEUEWAIT2(pmp, park_setextattr, vp->v_data, NULL, error);
3104 	struct vnode *vp = ap->a_vp;
3105 	struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
3135 	    PUFFSOP_VN, PUFFS_VN_LISTEXTATTR, VPTOPNC(vp));
3137 	PUFFS_MSG_ENQUEUEWAIT2(pmp, park_listextattr, vp->v_data, NULL, error);
3146 		    "resid grew", VPTOPNC(vp));
3171 	struct vnode *vp = ap->a_vp;
3172 	struct puffs_mount *pmp = MPTOPUFFSMP(vp->v_mount);
3184 	    PUFFSOP_VN, PUFFS_VN_DELETEEXTATTR, VPTOPNC(vp));
3186 	    vp->v_data, NULL, error);