Lines Matching defs:mp

78 nullfs_mount(struct mount *mp)
89 	NULLFSDEBUG("nullfs_mount(mp = %p)\n", (void *)mp);
91 	if (mp->mnt_flag & MNT_ROOTFS)
97 	if (mp->mnt_flag & MNT_UPDATE) {
101 		if (vfs_flagopt(mp->mnt_optnew, "export", NULL, 0))
110 	error = vfs_getopt(mp->mnt_optnew, "from", (void **)&target, &len);
112 		error = vfs_getopt(mp->mnt_optnew, "target", (void **)&target, &len);
119 	if (mp->mnt_vnodecovered->v_op == &null_vnodeops &&
120 	    VOP_ISLOCKED(mp->mnt_vnodecovered) == LK_EXCLUSIVE) {
121 		VOP_UNLOCK(mp->mnt_vnodecovered);
139 		vn_lock(mp->mnt_vnodecovered, LK_EXCLUSIVE | LK_RETRY);
153 	if (mp->mnt_vnodecovered->v_op == &null_vnodeops) {
154 		nn = VTONULL(mp->mnt_vnodecovered);
167 	    lowerrootvp->v_type != mp->mnt_vnodecovered->v_type) {
180 	xmp->nullm_vfs = vfs_register_upper_from_vp(lowerrootvp, mp,
189 	mp->mnt_data = xmp;
194 	error = null_nodeget(mp, lowerrootvp, &nullm_rootvp);
203 		MNT_ILOCK(mp);
204 		mp->mnt_flag |= MNT_LOCAL;
205 		MNT_IUNLOCK(mp);
208 	if (vfs_getopt(mp->mnt_optnew, "cache", NULL, NULL) == 0) {
210 	} else if (vfs_getopt(mp->mnt_optnew, "nocache", NULL, NULL) == 0) {
218 		vfs_register_for_notification(xmp->nullm_vfs, mp,
222 	if (lowerrootvp == mp->mnt_vnodecovered) {
228 	MNT_ILOCK(mp);
230 		mp->mnt_kern_flag |= lowerrootvp->v_mount->mnt_kern_flag &
234 	mp->mnt_kern_flag |= MNTK_NOMSYNC | MNTK_UNLOCKED_INSMNTQUE;
235 	mp->mnt_kern_flag |= lowerrootvp->v_mount->mnt_kern_flag &
237 	MNT_IUNLOCK(mp);
238 	vfs_getnewfsid(mp);
239 	vfs_mountedfrom(mp, target);
243 		mp->mnt_stat.f_mntfromname, mp->mnt_stat.f_mntonname);
251 nullfs_unmount(struct mount *mp, int mntflags)
256 	NULLFSDEBUG("nullfs_unmount: mp = %p\n", (void *)mp);
265 		error = vflush(mp, 0, flags, curthread);
268 		MNT_ILOCK(mp);
269 		if (mp->mnt_nvnodelistsize == 0) {
270 			MNT_IUNLOCK(mp);
273 		MNT_IUNLOCK(mp);
281 	mntdata = mp->mnt_data;
286 	if (mntdata->nullm_lowerrootvp == mp->mnt_vnodecovered) {
287 		vn_lock(mp->mnt_vnodecovered, LK_EXCLUSIVE | LK_RETRY | LK_CANRECURSE);
288 		mp->mnt_vnodecovered->v_vflag &= ~VV_CROSSLOCK;
289 		VOP_UNLOCK(mp->mnt_vnodecovered);
293 	mp->mnt_data = NULL;
299 nullfs_root(struct mount *mp, int flags, struct vnode **vpp)
305 	mntdata = MOUNTTONULLMOUNT(mp);
306 	NULLFSDEBUG("nullfs_root(mp = %p, vp = %p)\n", mp,
311 		error = null_nodeget(mp, mntdata->nullm_lowerrootvp, &vp);
320 nullfs_quotactl(struct mount *mp, int cmd, uid_t uid, void *arg, bool *mp_busy)
327 	mntdata = MOUNTTONULLMOUNT(mp);
338 	vfs_unbusy(mp);
351 nullfs_statfs(struct mount *mp, struct statfs *sbp)
356 	NULLFSDEBUG("nullfs_statfs(mp = %p, vp = %p->%p)\n", (void *)mp,
357 	    (void *)MOUNTTONULLMOUNT(mp)->nullm_rootvp,
358 	    (void *)NULLVPTOLOWERVP(MOUNTTONULLMOUNT(mp)->nullm_rootvp));
362 	error = VFS_STATFS(MOUNTTONULLMOUNT(mp)->nullm_vfs, mstat);
382 nullfs_sync(struct mount *mp, int waitfor)
391 nullfs_vget(struct mount *mp, ino_t ino, int flags, struct vnode **vpp)
398 	error = VFS_VGET(MOUNTTONULLMOUNT(mp)->nullm_vfs, ino, flags, vpp);
401 	return (null_nodeget(mp, *vpp, vpp));
405 nullfs_fhtovp(struct mount *mp, struct fid *fidp, int flags, struct vnode **vpp)
409 	error = VFS_FHTOVP(MOUNTTONULLMOUNT(mp)->nullm_vfs, fidp, flags,
413 	return (null_nodeget(mp, *vpp, vpp));
417 nullfs_extattrctl(struct mount *mp, int cmd, struct vnode *filename_vp,
421 	return (VFS_EXTATTRCTL(MOUNTTONULLMOUNT(mp)->nullm_vfs, cmd,
426 nullfs_reclaim_lowervp(struct mount *mp, struct vnode *lowervp)
430 	vp = null_hashget(mp, lowervp);
439 nullfs_unlink_lowervp(struct mount *mp, struct vnode *lowervp)
444 	vp = null_hashget(mp, lowervp);