Cross Reference: /src/sys/fs/union/union

Lines Matching defs:um
112 	struct union_mount *um = 0;
128 		um = MOUNTTOUNIONMOUNT(mp);
129 		if (um == NULL)
132 		args->mntflags = um->um_op;
165 	um = kmem_zalloc(sizeof(*um), KM_SLEEP);
176 	um->um_op = args->mntflags & UNMNT_OPMASK;
177 	switch (um->um_op) {
179 		um->um_lowervp = lowerrootvp;
180 		um->um_uppervp = upperrootvp;
184 		um->um_lowervp = upperrootvp;
185 		um->um_uppervp = lowerrootvp;
191 		um->um_uppervp = upperrootvp;
192 		um->um_lowervp = lowerrootvp;
204 	if (((um->um_lowervp == NULLVP) ||
205 	    (um->um_lowervp->v_mount->mnt_iflag & IMNT_MPSAFE)) &&
206 	    (um->um_uppervp->v_mount->mnt_iflag & IMNT_MPSAFE))
219 		vn_lock(um->um_uppervp, LK_EXCLUSIVE | LK_RETRY);
220 		error = VOP_WHITEOUT(um->um_uppervp, &nullcn, LOOKUP);
221 		VOP_UNLOCK(um->um_uppervp);
226 	um->um_cred = l->l_cred;
227 	kauth_cred_hold(um->um_cred);
228 	um->um_cmode = UN_DIRMODE &~ l->l_proc->p_cwdi->cwdi_cmask;
239 	if (um->um_op == UNMNT_ABOVE) {
240 		if (((um->um_lowervp == NULLVP) ||
241 		     (um->um_lowervp->v_mount->mnt_flag & MNT_LOCAL)) &&
242 		    (um->um_uppervp->v_mount->mnt_flag & MNT_LOCAL))
253 	mp->mnt_flag |= (um->um_uppervp->v_mount->mnt_flag & MNT_RDONLY);
255 	mp->mnt_data = um;
263 	error = vfs_set_lowermount(mp, um->um_uppervp->v_mount);
267 	switch (um->um_op) {
305 	if (um) {
306 		if (um->um_cred)
307 			kauth_cred_free(um->um_cred);
308 		kmem_free(um, sizeof(*um));
347 	struct union_mount *um = MOUNTTOUNIONMOUNT(mp);
395 	if (um->um_lowervp)
396 		vrele(um->um_lowervp);
397 	vrele(um->um_uppervp);
398 	kauth_cred_free(um->um_cred);
402 	kmem_free(um, sizeof(*um));
410 	struct union_mount *um = MOUNTTOUNIONMOUNT(mp);
416 	vref(um->um_uppervp);
417 	if (um->um_lowervp)
418 		vref(um->um_lowervp);
420 	    um->um_uppervp, um->um_lowervp, 1);
423 		vrele(um->um_uppervp);
424 		if (um->um_lowervp)
425 			vrele(um->um_lowervp);
438 	struct union_mount *um = MOUNTTOUNIONMOUNT(mp);
444 	    um->um_lowervp, um->um_uppervp);
447 	if (um->um_lowervp) {
448 		error = VFS_STATVFS(um->um_lowervp->v_mount, sbuf);
458 	error = VFS_STATVFS(um->um_uppervp->v_mount, sbuf);
513 	struct union_mount *um = MOUNTTOUNIONMOUNT(mp);
516 	return VFS_RENAMELOCK_ENTER(um->um_uppervp->v_mount);
522 	struct union_mount *um = MOUNTTOUNIONMOUNT(mp);
524 	VFS_RENAMELOCK_EXIT(um->um_uppervp->v_mount);
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