72 unionfs_domount(struct mount *mp)  in unionfs_domount()  argument
92 	UNIONFSDEBUG("unionfs_mount(mp = %p)\n", mp);  in unionfs_domount()
104 	if (mp->mnt_flag & MNT_ROOTFS) {  in unionfs_domount()
105 		vfs_mount_error(mp, "Cannot union mount root filesystem");  in unionfs_domount()
112 	if (mp->mnt_flag & MNT_UPDATE) {  in unionfs_domount()
113 		vfs_mount_error(mp, "unionfs does not support mount update");  in unionfs_domount()
120 	error = vfs_getopt(mp->mnt_optnew, "target", (void **)&target, &len);  in unionfs_domount()
122 		error = vfs_getopt(mp->mnt_optnew, "from", (void **)&target,  in unionfs_domount()
125 		vfs_mount_error(mp, "Invalid target");  in unionfs_domount()
128 	if (vfs_getopt(mp->mnt_optnew, "below", NULL, NULL) == 0)  in unionfs_domount()
130 	if (vfs_getopt(mp->mnt_optnew, "udir", (void **)&tmp, NULL) == 0) {  in unionfs_domount()
134 			vfs_mount_error(mp, "Invalid udir");  in unionfs_domount()
139 	if (vfs_getopt(mp->mnt_optnew, "ufile", (void **)&tmp, NULL) == 0) {  in unionfs_domount()
143 			vfs_mount_error(mp, "Invalid ufile");  in unionfs_domount()
154 	vn_lock(mp->mnt_vnodecovered, LK_SHARED | LK_RETRY);  in unionfs_domount()
155 	error = VOP_GETATTR(mp->mnt_vnodecovered, &va, mp->mnt_cred);  in unionfs_domount()
164 	VOP_UNLOCK(mp->mnt_vnodecovered);  in unionfs_domount()
168 	if (mp->mnt_cred->cr_ruid == 0) {	/* root only */  in unionfs_domount()
169 		if (vfs_getopt(mp->mnt_optnew, "uid", (void **)&tmp,  in unionfs_domount()
174 				vfs_mount_error(mp, "Invalid uid");  in unionfs_domount()
178 		if (vfs_getopt(mp->mnt_optnew, "gid", (void **)&tmp,  in unionfs_domount()
183 				vfs_mount_error(mp, "Invalid gid");  in unionfs_domount()
187 		if (vfs_getopt(mp->mnt_optnew, "copymode", (void **)&tmp,  in unionfs_domount()
190 				vfs_mount_error(mp, "Invalid copymode");  in unionfs_domount()
199 				vfs_mount_error(mp, "Invalid copymode");  in unionfs_domount()
203 		if (vfs_getopt(mp->mnt_optnew, "whiteout", (void **)&tmp,  in unionfs_domount()
206 				vfs_mount_error(mp, "Invalid whiteout mode");  in unionfs_domount()
213 				vfs_mount_error(mp, "Invalid whiteout mode");  in unionfs_domount()
220 		uid = mp->mnt_cred->cr_ruid;  in unionfs_domount()
221 		gid = mp->mnt_cred->cr_rgid;  in unionfs_domount()
238 	lowerrootvp = mp->mnt_vnodecovered;  in unionfs_domount()
267 	mp->mnt_data = ump;  in unionfs_domount()
272 	mp->mnt_flag |= ump->um_uppervp->v_mount->mnt_flag & MNT_RDONLY;  in unionfs_domount()
282 	error = unionfs_nodeget(mp, ump->um_uppervp, ump->um_lowervp,  in unionfs_domount()
287 		mp->mnt_data = NULL;  in unionfs_domount()
305 	ump->um_lowermp = vfs_register_upper_from_vp(ump->um_lowervp, mp,  in unionfs_domount()
307 	ump->um_uppermp = vfs_register_upper_from_vp(ump->um_uppervp, mp,  in unionfs_domount()
317 		vflush(mp, 1, FORCECLOSE, curthread);  in unionfs_domount()
319 		mp->mnt_data = NULL;  in unionfs_domount()
339 		vn_lock(mp->mnt_vnodecovered, LK_EXCLUSIVE | LK_RETRY | LK_CANRECURSE);  in unionfs_domount()
340 		mp->mnt_vnodecovered->v_vflag |= VV_CROSSLOCK;  in unionfs_domount()
341 		VOP_UNLOCK(mp->mnt_vnodecovered);  in unionfs_domount()
344 	MNT_ILOCK(mp);  in unionfs_domount()
347 		mp->mnt_flag |= MNT_LOCAL;  in unionfs_domount()
348 	mp->mnt_kern_flag |= MNTK_NOMSYNC | MNTK_UNIONFS |  in unionfs_domount()
350 	MNT_IUNLOCK(mp);  in unionfs_domount()
355 	vfs_getnewfsid(mp);  in unionfs_domount()
357 	snprintf(mp->mnt_stat.f_mntfromname, MNAMELEN, "<%s>:%s",  in unionfs_domount()
361 	    mp->mnt_stat.f_mntfromname, mp->mnt_stat.f_mntonname);  in unionfs_domount()
370 unionfs_unmount(struct mount *mp, int mntflags)  in unionfs_unmount()  argument
378 	UNIONFSDEBUG("unionfs_unmount: mp = %p\n", mp);  in unionfs_unmount()
380 	ump = MOUNTTOUNIONFSMOUNT(mp);  in unionfs_unmount()
387 	for (freeing = 0; (error = vflush(mp, 1, flags, curthread)) != 0;) {  in unionfs_unmount()
388 		num = mp->mnt_nvnodelistsize;  in unionfs_unmount()
397 	vn_lock(mp->mnt_vnodecovered, LK_EXCLUSIVE | LK_RETRY | LK_CANRECURSE);  in unionfs_unmount()
398 	mp->mnt_vnodecovered->v_vflag &= ~VV_CROSSLOCK;  in unionfs_unmount()
399 	VOP_UNLOCK(mp->mnt_vnodecovered);  in unionfs_unmount()
403 	mp->mnt_data = NULL;  in unionfs_unmount()
409 unionfs_root(struct mount *mp, int flags, struct vnode **vpp)  in unionfs_root()  argument
414 	ump = MOUNTTOUNIONFSMOUNT(mp);  in unionfs_root()
430 unionfs_quotactl(struct mount *mp, int cmd, uid_t uid, void *arg,  in unionfs_quotactl()  argument
438 	ump = MOUNTTOUNIONFSMOUNT(mp);  in unionfs_quotactl()
453 	vfs_unbusy(mp);  in unionfs_quotactl()
469 unionfs_statfs(struct mount *mp, struct statfs *sbp)  in unionfs_statfs()  argument
476 	ump = MOUNTTOUNIONFSMOUNT(mp);  in unionfs_statfs()
478 	UNIONFSDEBUG("unionfs_statfs(mp = %p, lvp = %p, uvp = %p)\n",  in unionfs_statfs()
479 	    mp, ump->um_lowervp, ump->um_uppervp);  in unionfs_statfs()
525 unionfs_sync(struct mount *mp, int waitfor)  in unionfs_sync()  argument
532 unionfs_vget(struct mount *mp, ino_t ino, int flags, struct vnode **vpp)  in unionfs_vget()  argument
538 unionfs_fhtovp(struct mount *mp, struct fid *fidp, int flags,  in unionfs_fhtovp()  argument
545 unionfs_checkexp(struct mount *mp, struct sockaddr *nam, uint64_t *extflagsp,  in unionfs_checkexp()  argument
552 unionfs_extattrctl(struct mount *mp, int cmd, struct vnode *filename_vp,  in unionfs_extattrctl()  argument
558 	ump = MOUNTTOUNIONFSMOUNT(mp);  in unionfs_extattrctl()